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US DE Chantilly 14 Day Long Range Forecast

14 Day weather providing an extended long range forecast outlook for US DE Chantilly

CFA2 Groupe, France

Long range weather outlook for US DE Chantilly includes 14 day forecast summary:

The forecast for US DE Chantilly in the coming two weeks is predicting the average daytime maximum temperature will be around 8°C, with a high for the two weeks of 10°C expected on the afternoon of Tuesday 2nd. The average minimum temperature will be 4°C, dipping to its lowest on the morning of Sunday 23rd at -1°C. Expect the coming 14 days to have some days seeing a little precipitation and some days with rain. It looks like Sunday 23rd will have the most precipitation with an accumulation of around 6.0mm. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Sun 23
Nov		04:00

S
S

 13 / 20 mph 33 / 24°F 72% 1014 mb
Low level cloud: 100%
Mid level cloud: 66%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.0 In precipitation over the next 6 hours.
Expect 0.2 In precipitation over the next 12 hours.
0.0 In
07:00

S
S

 11 / 17 mph 34 / 25°F 86% 1012 mb
Low level cloud: 98%
Mid level cloud: 46%
High level cloud: 4%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.2 In precipitation over the next 6 hours.
Expect 0.2 In precipitation over the next 12 hours.
0.0 In
10:00

S
S

 14 / 21 mph 36 / 26°F 91% 1009 mb
Low level cloud: 96%
Mid level cloud: 18%
High level cloud: 90%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.2 In precipitation over the next 6 hours.
Expect 0.2 In precipitation over the next 12 hours.
0.0 In
13:00

S
S

 14 / 22 mph 38 / 29°F 96% 1006 mb
Low level cloud: 100%
Mid level cloud: 33%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the next 3 hours.
Expect 0.2 In precipitation over the next 6 hours.
Expect 0.2 In precipitation over the next 12 hours.
0.2 In
16:00

SW
SW

 12 / 19 mph 43 / 37°F 98% 1004 mb
Low level cloud: 100%
Mid level cloud: 21%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.0 In precipitation over the next 6 hours.
Expect 0.0 In precipitation over the next 12 hours.
0.0 In
19:00

SW
SW

 9 / 15 mph 43 / 38°F 98% 1003 mb
Low level cloud: 63%
Mid level cloud: 23%
High level cloud: 100%
Most Significant Cloud Type: low
82%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.0 In precipitation over the next 6 hours.
Expect 0.0 In precipitation over the next 12 hours.
0.0 In
22:00

SW
SW

 8 / 15 mph 42 / 37°F 93% 1003 mb
Low level cloud: 16%
Mid level cloud: 17%
High level cloud: 100%
Most Significant Cloud Type: low
34%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.0 In precipitation over the next 6 hours.
Expect 0.0 In precipitation over the next 12 hours.
0.0 In
Mon 24
Nov		01:00

SW
SW

 7 / 11 mph 42 / 38°F 94% 1001 mb
Low level cloud: 21%
Mid level cloud: 91%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.0 In precipitation over the next 6 hours.
Expect 0.1 In precipitation over the next 12 hours.
0.0 In
04:00

SSW
SSW

 8 / 14 mph 41 / 36°F 94% 999 mb
Low level cloud: 33%
Mid level cloud: 97%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.1 In precipitation over the next 6 hours.
Expect 0.1 In precipitation over the next 12 hours.
0.0 In
07:00

SW
SW

 9 / 16 mph 41 / 35°F 92% 997 mb
Low level cloud: 79%
Mid level cloud: 49%
High level cloud: 0%
Most Significant Cloud Type: low
95%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.1 In precipitation over the next 6 hours.
Expect 0.1 In precipitation over the next 12 hours.
0.0 In
10:00

SSW
SSW

 11 / 15 mph 45 / 39°F 90% 997 mb
Low level cloud: 71%
Mid level cloud: 43%
High level cloud: 0%
Most Significant Cloud Type: low
86%
Expect 0.1 In of precipitation over the next 3 hours.
Expect 0.1 In precipitation over the next 6 hours.
Expect 0.1 In precipitation over the next 12 hours.
0.1 In
13:00

SW
SW

 12 / 16 mph 47 / 42°F 77% 995 mb
Low level cloud: 18%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: low
23%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.0 In precipitation over the next 6 hours.
Expect 0.0 In precipitation over the next 12 hours.
0.0 In
16:00

SW
SW

 13 / 17 mph 48 / 42°F 77% 994 mb
Low level cloud: 32%
Mid level cloud: 26%
High level cloud: 3%
Most Significant Cloud Type: low
41%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.0 In precipitation over the next 6 hours.
Expect 0.0 In precipitation over the next 12 hours.
0.0 In
19:00

SW
SW

 11 / 15 mph 46 / 40°F 82% 995 mb
Low level cloud: 95%
Mid level cloud: 92%
High level cloud: 98%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.0 In precipitation over the next 6 hours.
Expect 0.0 In precipitation over the next 12 hours.
0.0 In
22:00

WSW
WSW

 5 / 7 mph 44 / 41°F 90% 997 mb
Low level cloud: 86%
Mid level cloud: 46%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.0 In precipitation over the next 6 hours.
Expect 0.0 In precipitation over the next 12 hours.
0.0 In
Tue 25
Nov		01:00

WNW
WNW

 6 / 10 mph 41 / 37°F 93% 999 mb
Low level cloud: 45%
Mid level cloud: 39%
High level cloud: 0%
Most Significant Cloud Type: low
59%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.0 In precipitation over the next 6 hours.
Expect 0.0 In precipitation over the next 12 hours.
0.0 In
04:00

NW
NW

 13 / 19 mph 44 / 37°F 84% 1001 mb
Low level cloud: 91%
Mid level cloud: 32%
High level cloud: 33%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.0 In precipitation over the next 6 hours.
Expect 0.0 In precipitation over the next 12 hours.
0.0 In
07:00

NW
NW

 13 / 21 mph 42 / 35°F 81% 1003 mb
Low level cloud: 66%
Mid level cloud: 94%
High level cloud: 1%
Most Significant Cloud Type: low
98%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.0 In precipitation over the next 6 hours.
Expect 0.0 In precipitation over the next 12 hours.
0.0 In
10:00

NW
NW

 14 / 20 mph 43 / 36°F 78% 1006 mb
Low level cloud: 94%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.0 In precipitation over the next 6 hours.
Expect 0.0 In precipitation over the next 12 hours.
0.0 In
13:00

WNW
WNW

 15 / 20 mph 41 / 34°F 92% 1006 mb
Low level cloud: 99%
Mid level cloud: 100%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.0 In precipitation over the next 6 hours.
Expect 0.0 In precipitation over the next 12 hours.
0.0 In
16:00

N
N

 16 / 24 mph 46 / 39°F 78% 1008 mb
Low level cloud: 96%
Mid level cloud: 43%
High level cloud: 20%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.0 In precipitation over the next 6 hours.
Expect 0.0 In precipitation over the next 12 hours.
0.0 In
19:00

N
N

 12 / 19 mph 42 / 36°F 87% 1012 mb
Low level cloud: 81%
Mid level cloud: 46%
High level cloud: 10%
Most Significant Cloud Type: low
98%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.0 In precipitation over the next 6 hours.
Expect 0.0 In precipitation over the next 12 hours.
0.0 In
22:00

NNW
NNW

 9 / 15 mph 41 / 35°F 81% 1014 mb
Low level cloud: 7%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: low
13%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.0 In precipitation over the next 6 hours.
Expect 0.0 In precipitation over the next 12 hours.
0.0 In
Wed 26
Nov		01:00

NNW
NNW

 10 / 16 mph 39 / 33°F 93% 1016 mb
Low level cloud: 39%
Mid level cloud: 29%
High level cloud: 0%
Most Significant Cloud Type: low
49%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.0 In precipitation over the next 6 hours.
Expect 0.0 In precipitation over the next 12 hours.
0.0 In
04:00

NW
NW

 7 / 13 mph 39 / 33°F 93% 1017 mb
Low level cloud: 56%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
71%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.0 In precipitation over the next 6 hours.
Expect 0.0 In precipitation over the next 12 hours.
0.0 In
07:00

NNW
NNW

 8 / 13 mph 39 / 34°F 90% 1019 mb
Low level cloud: 66%
Mid level cloud: 52%
High level cloud: 0%
Most Significant Cloud Type: low
84%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.0 In precipitation over the next 6 hours.
Expect 0.0 In precipitation over the next 12 hours.
0.0 In
10:00

NW
NW

 5 / 7 mph 40 / 37°F 90% 1021 mb
Low level cloud: 46%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: low
52%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.0 In precipitation over the next 6 hours.
Expect 0.0 In precipitation over the next 12 hours.
0.0 In
13:00

NNW
NNW

 8 / 11 mph 46 / 42°F 67% 1021 mb
Low level cloud: 1%
Mid level cloud: 46%
High level cloud: 17%
Most Significant Cloud Type: medium
50%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.0 In precipitation over the next 6 hours.
Expect 0.0 In precipitation over the next 12 hours.
0.0 In
16:00

NNW
NNW

 7 / 11 mph 45 / 41°F 73% 1022 mb
Low level cloud: 45%
Mid level cloud: 43%
High level cloud: 12%
Most Significant Cloud Type: low
61%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.0 In precipitation over the next 6 hours.
Expect 0.0 In precipitation over the next 12 hours.
0.0 In
19:00

NW
NW

 5 / 9 mph 40 / 36°F 88% 1023 mb
Low level cloud: 64%
Mid level cloud: 44%
High level cloud: 7%
Most Significant Cloud Type: low
79%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.0 In precipitation over the next 6 hours.
Expect 0.0 In precipitation over the next 12 hours.
0.0 In
22:00

NW
NW

 4 / 8 mph 38 / 35°F 93% 1025 mb
Low level cloud: 11%
Mid level cloud: 14%
High level cloud: 60%
Most Significant Cloud Type: low
22%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.0 In precipitation over the next 6 hours.
Expect 0.0 In precipitation over the next 12 hours.
0.0 In
Thu 27
Nov		01:00

WNW
WNW

 1 / 2 mph 37 / 37°F 91% 1025 mb
Low level cloud: 2%
Mid level cloud: 18%
High level cloud: 100%
Most Significant Cloud Type: medium
27%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.0 In precipitation over the next 6 hours.
Expect 0.0 In precipitation over the next 12 hours.
0.0 In
04:00

SW
SW

 2 / 5 mph 37 / 35°F 90% 1025 mb
Low level cloud: 0%
Mid level cloud: 18%
High level cloud: 21%
Most Significant Cloud Type: medium
19%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.0 In precipitation over the next 6 hours.
Expect 0.0 In precipitation over the next 12 hours.
0.0 In
07:00

S
S

 3 / 6 mph 35 / 33°F 91% 1025 mb
Low level cloud: 0%
Mid level cloud: 29%
High level cloud: 1%
Most Significant Cloud Type: medium
29%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.0 In precipitation over the next 6 hours.
Expect 0.0 In precipitation over the next 12 hours.
0.0 In
10:00

S
S

 3 / 6 mph 38 / 35°F 85% 1026 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 6%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.0 In precipitation over the next 6 hours.
Expect 0.0 In precipitation over the next 12 hours.
0.0 In
13:00

SSW
SSW

 8 / 11 mph 44 / 39°F 64% 1025 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 16%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.0 In precipitation over the next 6 hours.
Expect 0.0 In precipitation over the next 12 hours.
0.0 In
16:00

S
S

 6 / 9 mph 43 / 39°F 69% 1024 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 85%
Most Significant Cloud Type: medium
16%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.0 In precipitation over the next 6 hours.
Expect 0.0 In precipitation over the next 12 hours.
0.0 In
19:00

S
S

 5 / 10 mph 39 / 35°F 78% 1025 mb
Low level cloud: 67%
Mid level cloud: 93%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.0 In precipitation over the next 6 hours.
Expect 0.0 In precipitation over the next 12 hours.
0.0 In
22:00

S
S

 8 / 12 mph 41 / 36°F 75% 1025 mb
Low level cloud: 100%
Mid level cloud: 89%
High level cloud: 14%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.0 In precipitation over the next 6 hours.
Expect 0.0 In precipitation over the next 12 hours.
0.0 In
Fri 28
Nov		01:00

S
S

 9 / 15 mph 40 / 34°F 76% 1024 mb
Low level cloud: 100%
Mid level cloud: 90%
High level cloud: 14%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.0 In precipitation over the next 6 hours.
Expect 0.0 In precipitation over the next 12 hours.
0.0 In
04:00

S
S

 9 / 15 mph 39 / 33°F 81% 1024 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 31%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.0 In precipitation over the next 6 hours.
Expect 0.0 In precipitation over the next 12 hours.
0.0 In
07:00

S
S

 8 / 15 mph 39 / 33°F 85% 1024 mb
Low level cloud: 96%
Mid level cloud: 97%
High level cloud: 32%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.0 In precipitation over the next 6 hours.
Expect 0.1 In precipitation over the next 12 hours.
0.0 In
10:00

S
S

 9 / 13 mph 42 / 36°F 84% 1024 mb
Low level cloud: 100%
Mid level cloud: 86%
High level cloud: 21%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.0 In precipitation over the next 6 hours.
Expect 0.1 In precipitation over the next 12 hours.
0.0 In
13:00

S
S

 9 / 12 mph 44 / 39°F 79% 1023 mb
Low level cloud: 98%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.0 In precipitation over the next 6 hours.
Expect 0.1 In precipitation over the next 12 hours.
0.0 In
16:00

S
S

 8 / 11 mph 44 / 40°F 82% 1023 mb
Low level cloud: 99%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.1 In precipitation over the next 6 hours.
Expect 0.1 In precipitation over the next 12 hours.
0.0 In
19:00

SSE
SSE

 8 / 12 mph 43 / 38°F 89% 1022 mb
Low level cloud: 99%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.1 In precipitation over the next 6 hours.
Expect 0.1 In precipitation over the next 12 hours.
0.0 In
22:00

SSE
SSE

 7 / 13 mph 41 / 36°F 91% 1022 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.0 In precipitation over the next 6 hours.
Expect 0.0 In precipitation over the next 12 hours.
0.0 In
Sat 29
Nov		01:00

SSE
SSE

 8 / 13 mph 43 / 38°F 90% 1021 mb
Low level cloud: 99%
Mid level cloud: 57%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.0 In precipitation over the next 6 hours.
Expect 0.0 In precipitation over the next 12 hours.
0.0 In
04:00

SSE
SSE

 8 / 13 mph 43 / 38°F 89% 1019 mb
Low level cloud: 100%
Mid level cloud: 78%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.0 In precipitation over the next 6 hours.
Expect 0.0 In precipitation over the next 12 hours.
0.0 In
07:00

SSE
SSE

 8 / 13 mph 43 / 38°F 90% 1018 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.0 In precipitation over the next 6 hours.
Expect 0.0 In precipitation over the next 12 hours.
0.0 In
10:00

SSE
SSE

 8 / 11 mph 43 / 39°F 92% 1018 mb
Low level cloud: 100%
Mid level cloud: 84%
High level cloud: 39%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.0 In precipitation over the next 6 hours.
Expect 0.0 In precipitation over the next 12 hours.
0.0 In
13:00

SSE
SSE

 9 / 12 mph 44 / 39°F 90% 1017 mb
Low level cloud: 91%
Mid level cloud: 31%
High level cloud: 32%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.0 In precipitation over the next 6 hours.
Expect 0.0 In precipitation over the next 12 hours.
0.0 In
16:00

SSE
SSE

 7 / 10 mph 44 / 40°F 89% 1015 mb
Low level cloud: 75%
Mid level cloud: 41%
High level cloud: 21%
Most Significant Cloud Type: low
91%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.0 In precipitation over the next 6 hours.
Expect 0.0 In precipitation over the next 12 hours.
0.0 In
19:00

SSE
SSE

 8 / 11 mph 44 / 39°F 89% 1015 mb
Low level cloud: 69%
Mid level cloud: 91%
High level cloud: 4%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.0 In precipitation over the next 6 hours.
Expect 0.0 In precipitation over the next 12 hours.
0.0 In
22:00

SE
SE

 8 / 10 mph 43 / 39°F 89% 1015 mb
Low level cloud: 42%
Mid level cloud: 97%
High level cloud: 2%
Most Significant Cloud Type: low
76%
Expect 0.0 In of precipitation over the next 3 hours.
Expect 0.0 In precipitation over the next 6 hours.
Expect 0.0 In precipitation over the next 12 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Sun 30
Nov		01:00

ESE
ESE

 6 / 11 mph 44 / 41°F 74% 1017 mb
Low level cloud: 0%
Mid level cloud: 44%
High level cloud: 100%
Most Significant Cloud Type: medium
48%
0.0 In
07:00

SSE
SSE

 5 / 9 mph 45 / 42°F 96% 1019 mb
Low level cloud: 30%
Mid level cloud: 11%
High level cloud: 32%
Most Significant Cloud Type: low
38%
0.0 In
13:00

SSW
SSW

 4 / 7 mph 52 / 52°F 75% 1018 mb
Low level cloud: 42%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: low
46%
0.0 In
19:00

SSW
SSW

 2 / 3 mph 49 / 49°F 65% 1018 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
Mon 01
Dec		01:00

S
S

 3 / 5 mph 40 / 38°F 59% 1025 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 43%
Most Significant Cloud Type: medium
8%
0.0 In
07:00

SSE
SSE

 3 / 6 mph 43 / 41°F 84% 1026 mb
Low level cloud: 87%
Mid level cloud: 93%
High level cloud: 15%
Most Significant Cloud Type: low
100%
0.0 In
13:00

SSW
SSW

 9 / 14 mph 42 / 36°F 82% 1023 mb
Low level cloud: 98%
Mid level cloud: 97%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
19:00

S
S

 4 / 7 mph 49 / 47°F 80% 1028 mb
Low level cloud: 36%
Mid level cloud: 8%
High level cloud: 100%
Most Significant Cloud Type: low
51%
0.0 In
Tue 02
Dec		01:00

SSW
SSW

 7 / 14 mph 43 / 38°F 90% 1025 mb
Low level cloud: 89%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
92%
0.0 In
07:00

SSW
SSW

 5 / 8 mph 44 / 41°F 93% 1029 mb
Low level cloud: 91%
Mid level cloud: 36%
High level cloud: 17%
Most Significant Cloud Type: low
100%
0.0 In
13:00

SSW
SSW

 8 / 12 mph 48 / 45°F 85% 1026 mb
Low level cloud: 81%
Mid level cloud: 20%
High level cloud: 0%
Most Significant Cloud Type: low
88%
0.0 In
19:00

S
S

 5 / 8 mph 48 / 46°F 92% 1029 mb
Low level cloud: 90%
Mid level cloud: 63%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
Wed 03
Dec		01:00

S
S

 7 / 13 mph 46 / 43°F 92% 1025 mb
Low level cloud: 82%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: low
82%
0.0 In
07:00

S
S

 6 / 9 mph 47 / 44°F 93% 1026 mb
Low level cloud: 99%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
13:00

SSW
SSW

 9 / 14 mph 50 / 46°F 64% 1025 mb
Low level cloud: 0%
Mid level cloud: 19%
High level cloud: 32%
Most Significant Cloud Type: medium
20%
0.0 In
19:00

S
S

 12 / 19 mph 49 / 45°F 77% 1017 mb
Low level cloud: 70%
Mid level cloud: 5%
High level cloud: 8%
Most Significant Cloud Type: low
72%
0.0 In
Thu 04
Dec		01:00

S
S

 4 / 10 mph 45 / 42°F 89% 1027 mb
Low level cloud: 11%
Mid level cloud: 30%
High level cloud: 100%
Most Significant Cloud Type: medium
65%
0.0 In
07:00

WNW
WNW

 5 / 9 mph 43 / 40°F 85% 1013 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 98%
Most Significant Cloud Type: low
100%
0.3 In
13:00

S
S

 4 / 7 mph 49 / 48°F 80% 1027 mb
Low level cloud: 54%
Mid level cloud: 78%
High level cloud: 99%
Most Significant Cloud Type: low
93%
0.0 In
19:00

W
W

 5 / 8 mph 48 / 45°F 85% 1021 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 100%
Most Significant Cloud Type: high
99%
0.0 In
Fri 05
Dec		01:00

SE
SE

 4 / 7 mph 46 / 45°F 80% 1024 mb
Low level cloud: 3%
Mid level cloud: 70%
High level cloud: 83%
Most Significant Cloud Type: medium
81%
0.0 In
07:00

WSW
WSW

 13 / 21 mph 46 / 39°F 84% 1018 mb
Low level cloud: 93%
Mid level cloud: 89%
High level cloud: 99%
Most Significant Cloud Type: low
100%
0.0 In
13:00

SE
SE

 9 / 13 mph 48 / 44°F 55% 1015 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 71%
Most Significant Cloud Type: medium
14%
0.0 In
19:00

W
W

 12 / 20 mph 51 / 47°F 90% 1019 mb
Low level cloud: 100%
Mid level cloud: 89%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
Sat 06
Dec		01:00

E
E

 3 / 5 mph 47 / 46°F 84% 1018 mb
Low level cloud: 0%
Mid level cloud: 49%
High level cloud: 100%
Most Significant Cloud Type: medium
53%
0.0 In
07:00

WNW
WNW

 14 / 29 mph 51 / 46°F 92% 1015 mb
Low level cloud: 100%
Mid level cloud: 72%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.2 In
13:00

NE
NE

 6 / 9 mph 52 / 50°F 64% 1026 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 8%
Most Significant Cloud Type: medium
13%
0.0 In
19:00

W
W

 8 / 14 mph 55 / 52°F 93% 1022 mb
Low level cloud: 99%
Mid level cloud: 33%
High level cloud: 32%
Most Significant Cloud Type: low
100%
0.0 In
Sun 07
Dec		01:00

NE
NE

 5 / 8 mph 41 / 37°F 88% 1029 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
07:00

W
W

 12 / 20 mph 52 / 48°F 88% 1020 mb
Low level cloud: 100%
Mid level cloud: 46%
High level cloud: 1%
Most Significant Cloud Type: low
100%
0.0 In
13:00

E
E

 8 / 12 mph 43 / 39°F 57% 1031 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 4%
Most Significant Cloud Type: high
3%
0.0 In
19:00

WNW
WNW

 14 / 24 mph 55 / 51°F 76% 1016 mb
Low level cloud: 90%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: low
94%
0.0 In
Mon 08
Dec		01:00

ENE
ENE

 6 / 11 mph 35 / 30°F 72% 1031 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
07:00

NW
NW

 12 / 26 mph 42 / 35°F 72% 1017 mb
Low level cloud: 51%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
51%
0.0 In
13:00

E
E

 12 / 18 mph 42 / 36°F 42% 1029 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
19:00

NNW
NNW

 8 / 13 mph 45 / 41°F 73% 1024 mb
Low level cloud: 10%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
9%
0.0 In

Other Locations Near to US DE Chantilly

The day label given represents the local day relative to the local time for the location you are looking at.
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Day

This time is corrected for local time zones and where possible for daylight saving times.
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Local Time

The wind direction we use on this page is the direction the wind is coming from, given in a 16 point compass format.
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Dir

This refers to the sustained average wind speed, normally averaged over a period of 10 minutes for up to 3 hrs.
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Speed/
Gust

Temperature from our forecast perspective are fairly well defined, they are what we would expect to measure in a standard meteorological screen (in other words, shaded and well ventilated) at 2 metres above ground level.
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Temp/
Feels Like

The relative humidity is the percent of saturation humidity, generally calculated in relation to saturated vapour density.
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Humidity

The value given is a total predicted for the previous 3 hrs and includes the time of the forecast being looked at.
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Precip Amount

The total amount of cloud as a percentage is derived from looking at cloud cover throughout the atmosphere and estimating how these combine when looked at from the ground.
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Cloud Amount

Here we try to capture the feel of the weather as an image – it will never be perfect but is useful for a quick overview.
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Weather

When we measure for forecast air pressure we are normally doing this relative to a certain height and most commonly relative to Mean Sea Level.
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Pressure