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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 10°C, with a high for the two weeks of 12°C expected on the afternoon of Thursday 12th. The average minimum temperature will be 5°C, dipping to its lowest on the morning of Sunday 15th at 0°C. The coming 14 days will have some days seeing a little precipitation and some days with rain, sleet or snow. Current predictions suggest Sunday 15th will have the most precipitation with an accumulation of around 10.0mm. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Thu 05
Feb		19:00

SE
SE

 7 / 11 mph 50 / 47°F 89% 983 mb
Low level cloud: 16%
Mid level cloud: 100%
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 0.0 In precipitation over the next 12 hours.
0.0 In
22:00

E
E

 4 / 7 mph 49 / 47°F 90% 983 mb
Low level cloud: 14%
Mid level cloud: 47%
High level cloud: 49%
Most Significant Cloud Type: medium
87%
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 06
Feb		01:00

SE
SE

 7 / 11 mph 46 / 42°F 94% 983 mb
Low level cloud: 38%
Mid level cloud: 100%
High level cloud: 100%
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
04:00

SSE
SSE

 9 / 17 mph 44 / 39°F 92% 984 mb
Low level cloud: 100%
Mid level cloud: 76%
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

SSW
SSW

 5 / 11 mph 44 / 41°F 97% 985 mb
Low level cloud: 80%
Mid level cloud: 100%
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
10:00

SW
SW

 13 / 24 mph 47 / 42°F 78% 988 mb
Low level cloud: 89%
Mid level cloud: 28%
High level cloud: 15%
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

SW
SW

 11 / 16 mph 50 / 45°F 79% 991 mb
Low level cloud: 87%
Mid level cloud: 26%
High level cloud: 4%
Most Significant Cloud Type: low
96%
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

SSW
SSW

 11 / 15 mph 51 / 46°F 81% 992 mb
Low level cloud: 65%
Mid level cloud: 30%
High level cloud: 1%
Most Significant Cloud Type: low
75%
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

SSW
SSW

 11 / 17 mph 49 / 44°F 85% 994 mb
Low level cloud: 37%
Mid level cloud: 50%
High level cloud: 5%
Most Significant Cloud Type: low
54%
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

 10 / 16 mph 47 / 42°F 88% 997 mb
Low level cloud: 20%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
21%
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 07
Feb		01:00

SSW
SSW

 8 / 13 mph 44 / 40°F 93% 999 mb
Low level cloud: 27%
Mid level cloud: 15%
High level cloud: 2%
Most Significant Cloud Type: low
32%
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

 6 / 10 mph 43 / 39°F 95% 999 mb
Low level cloud: 25%
Mid level cloud: 87%
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 0.0 In precipitation over the next 12 hours.
0.0 In
07:00

S
S

 13 / 25 mph 42 / 36°F 83% 999 mb
Low level cloud: 32%
Mid level cloud: 7%
High level cloud: 33%
Most Significant Cloud Type: low
38%
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

 13 / 18 mph 46 / 40°F 83% 1001 mb
Low level cloud: 69%
Mid level cloud: 41%
High level cloud: 11%
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
13:00

S
S

 13 / 15 mph 49 / 44°F 79% 1002 mb
Low level cloud: 83%
Mid level cloud: 69%
High level cloud: 54%
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

SSW
SSW

 12 / 17 mph 50 / 45°F 75% 1002 mb
Low level cloud: 61%
Mid level cloud: 40%
High level cloud: 57%
Most Significant Cloud Type: low
81%
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

SSW
SSW

 9 / 15 mph 48 / 44°F 83% 1003 mb
Low level cloud: 62%
Mid level cloud: 91%
High level cloud: 67%
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

SSW
SSW

 9 / 17 mph 45 / 41°F 83% 1005 mb
Low level cloud: 41%
Mid level cloud: 46%
High level cloud: 19%
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
Sun 08
Feb		01:00

S
S

 5 / 9 mph 44 / 41°F 92% 1006 mb
Low level cloud: 95%
Mid level cloud: 46%
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
04:00

S
S

 6 / 9 mph 46 / 43°F 81% 1007 mb
Low level cloud: 81%
Mid level cloud: 19%
High level cloud: 43%
Most Significant Cloud Type: low
92%
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

 5 / 9 mph 42 / 39°F 92% 1008 mb
Low level cloud: 18%
Mid level cloud: 72%
High level cloud: 83%
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 0.0 In precipitation over the next 12 hours.
0.0 In
10:00

S
S

 4 / 7 mph 45 / 43°F 83% 1009 mb
Low level cloud: 11%
Mid level cloud: 46%
High level cloud: 100%
Most Significant Cloud Type: medium
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
13:00

S
S

 5 / 6 mph 52 / 49°F 65% 1009 mb
Low level cloud: 12%
Mid level cloud: 31%
High level cloud: 32%
Most Significant Cloud Type: low
26%
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

SSW
SSW

 4 / 6 mph 53 / 51°F 57% 1009 mb
Low level cloud: 14%
Mid level cloud: 46%
High level cloud: 20%
Most Significant Cloud Type: medium
85%
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

SE
SE

 2 / 5 mph 47 / 47°F 73% 1009 mb
Low level cloud: 0%
Mid level cloud: 32%
High level cloud: 17%
Most Significant Cloud Type: medium
32%
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

 2 / 5 mph 45 / 44°F 79% 1010 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 28%
Most Significant Cloud Type: medium
47%
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 09
Feb		01:00

SSE
SSE

 3 / 5 mph 43 / 42°F 86% 1010 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 12%
Most Significant Cloud Type: medium
46%
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

SE
SE

 4 / 8 mph 41 / 39°F 89% 1009 mb
Low level cloud: 5%
Mid level cloud: 46%
High level cloud: 6%
Most Significant Cloud Type: medium
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
07:00

SE
SE

 4 / 9 mph 40 / 37°F 91% 1009 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 3%
Most Significant Cloud Type: medium
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
10:00

SE
SE

 6 / 9 mph 43 / 38°F 82% 1009 mb
Low level cloud: 1%
Mid level cloud: 13%
High level cloud: 40%
Most Significant Cloud Type: medium
17%
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

SE
SE

 7 / 9 mph 48 / 45°F 67% 1008 mb
Low level cloud: 0%
Mid level cloud: 53%
High level cloud: 100%
Most Significant Cloud Type: medium
56%
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

SE
SE

 6 / 8 mph 49 / 46°F 66% 1007 mb
Low level cloud: 4%
Mid level cloud: 100%
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 0.0 In precipitation over the next 12 hours.
0.0 In
19:00

SE
SE

 5 / 9 mph 44 / 41°F 84% 1007 mb
Low level cloud: 0%
Mid level cloud: 17%
High level cloud: 40%
Most Significant Cloud Type: medium
18%
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

 6 / 11 mph 42 / 38°F 90% 1006 mb
Low level cloud: 0%
Mid level cloud: 18%
High level cloud: 33%
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
Tue 10
Feb		01:00

SE
SE

 6 / 12 mph 41 / 36°F 88% 1005 mb
Low level cloud: 0%
Mid level cloud: 79%
High level cloud: 66%
Most Significant Cloud Type: medium
81%
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

SE
SE

 8 / 14 mph 41 / 36°F 84% 1003 mb
Low level cloud: 0%
Mid level cloud: 44%
High level cloud: 95%
Most Significant Cloud Type: medium
47%
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
07:00

SE
SE

 9 / 13 mph 41 / 36°F 84% 1001 mb
Low level cloud: 6%
Mid level cloud: 100%
High level cloud: 9%
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 0.2 In precipitation over the next 12 hours.
0.0 In
10:00

SE
SE

 10 / 15 mph 42 / 36°F 90% 1000 mb
Low level cloud: 99%
Mid level cloud: 64%
High level cloud: 0%
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 0.3 In precipitation over the next 12 hours.
0.0 In
13:00

SSE
SSE

 11 / 15 mph 43 / 38°F 89% 998 mb
Low level cloud: 99%
Mid level cloud: 97%
High level cloud: 33%
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 0.2 In precipitation over the next 12 hours.
0.0 In
16:00

SSE
SSE

 8 / 12 mph 45 / 41°F 96% 994 mb
Low level cloud: 100%
Mid level cloud: 99%
High level cloud: 100%
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
19:00

SSE
SSE

 9 / 15 mph 48 / 43°F 98% 991 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 15%
Most Significant Cloud Type: low
100%
Expect 0.1 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.
0.1 In
22:00

SW
SW

 10 / 16 mph 49 / 45°F 97% 990 mb
Low level cloud: 97%
Mid level cloud: 94%
High level cloud: 100%
Most Significant Cloud Type: low
100%
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
Wed 11
Feb		01:00

WSW
WSW

 13 / 21 mph 51 / 47°F 91% 991 mb
Low level cloud: 49%
Mid level cloud: 73%
High level cloud: 11%
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 0.1 In precipitation over the next 12 hours.
0.0 In
04:00

WSW
WSW

 19 / 29 mph 52 / 46°F 75% 992 mb
Low level cloud: 87%
Mid level cloud: 45%
High level cloud: 15%
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
07:00

WSW
WSW

 15 / 23 mph 50 / 45°F 73% 993 mb
Low level cloud: 90%
Mid level cloud: 100%
High level cloud: 33%
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
10:00

WSW
WSW

 15 / 21 mph 49 / 43°F 83% 994 mb
Low level cloud: 88%
Mid level cloud: 100%
High level cloud: 1%
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
13:00

WSW
WSW

 16 / 19 mph 51 / 46°F 67% 995 mb
Low level cloud: 27%
Mid level cloud: 100%
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
16:00

WSW
WSW

 15 / 21 mph 48 / 42°F 73% 996 mb
Low level cloud: 31%
Mid level cloud: 28%
High level cloud: 0%
Most Significant Cloud Type: low
40%
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

WSW
WSW

 13 / 21 mph 46 / 40°F 79% 998 mb
Low level cloud: 100%
Mid level cloud: 100%
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 0.0 In precipitation over the next 12 hours.
0.0 In
22:00

WSW
WSW

 15 / 23 mph 47 / 41°F 87% 999 mb
Low level cloud: 100%
Mid level cloud: 87%
High level cloud: 93%
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
DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Thu 12
Feb		01:00

SW
SW

 17 / 30 mph 47 / 40°F 81% 989 mb
Low level cloud: 99%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
07:00

WSW
WSW

 15 / 25 mph 44 / 37°F 82% 1002 mb
Low level cloud: 91%
Mid level cloud: 44%
High level cloud: 53%
Most Significant Cloud Type: low
100%
0.0 In
13:00

NNE
NNE

 16 / 24 mph 34 / 24°F 74% 1003 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
19:00

WNW
WNW

 14 / 22 mph 47 / 42°F 87% 999 mb
Low level cloud: 92%
Mid level cloud: 100%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
Fri 13
Feb		01:00

ENE
ENE

 4 / 7 mph 45 / 43°F 93% 1000 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 67%
Most Significant Cloud Type: low
100%
0.0 In
07:00

WSW
WSW

 7 / 13 mph 42 / 38°F 94% 996 mb
Low level cloud: 99%
Mid level cloud: 63%
High level cloud: 95%
Most Significant Cloud Type: low
100%
0.0 In
13:00

S
S

 17 / 29 mph 47 / 41°F 93% 993 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
19:00

WSW
WSW

 5 / 11 mph 43 / 39°F 80% 1001 mb
Low level cloud: 0%
Mid level cloud: 51%
High level cloud: 0%
Most Significant Cloud Type: medium
52%
0.0 In
Sat 14
Feb		01:00

WSW
WSW

 8 / 16 mph 46 / 42°F 91% 989 mb
Low level cloud: 97%
Mid level cloud: 83%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
07:00

W
W

 7 / 15 mph 33 / 27°F 90% 1002 mb
Low level cloud: 50%
Mid level cloud: 62%
High level cloud: 0%
Most Significant Cloud Type: low
72%
0.0 In
13:00

SW
SW

 5 / 10 mph 48 / 46°F 83% 989 mb
Low level cloud: 88%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.1 In
19:00

NNW
NNW

 5 / 10 mph 39 / 35°F 73% 1009 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
0.0 In
Sun 15
Feb		01:00

NNE
NNE

 14 / 28 mph 37 / 29°F 95% 989 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.3 In
07:00

E
E

 5 / 11 mph 33 / 28°F 85% 1011 mb
Low level cloud: 0%
Mid level cloud: 32%
High level cloud: 47%
Most Significant Cloud Type: medium
33%
0.0 In
13:00

N
N

 17 / 33 mph 36 / 26°F 71% 999 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 16%
Most Significant Cloud Type: medium
45%
0.3 In
19:00

ENE
ENE

 7 / 13 mph 36 / 31°F 73% 1014 mb
Low level cloud: 0%
Mid level cloud: 23%
High level cloud: 0%
Most Significant Cloud Type: medium
22%
0.0 In
Mon 16
Feb		01:00

SW
SW

 5 / 11 mph 32 / 27°F 89% 1010 mb
Low level cloud: 76%
Mid level cloud: 19%
High level cloud: 4%
Most Significant Cloud Type: low
82%
0.0 In
07:00

NE
NE

 5 / 10 mph 32 / 27°F 80% 1016 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
13:00

WSW
WSW

 12 / 25 mph 40 / 33°F 90% 1005 mb
Low level cloud: 99%
Mid level cloud: 83%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
19:00

ENE
ENE

 6 / 12 mph 35 / 30°F 70% 1012 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
Tue 17
Feb		01:00

SSE
SSE

 16 / 32 mph 34 / 24°F 97% 995 mb
Low level cloud: 100%
Mid level cloud: 95%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.3 In
07:00

NE
NE

 15 / 29 mph 26 / 14°F 79% 1007 mb
Low level cloud: 48%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
47%
0.0 In
13:00

SW
SW

 18 / 37 mph 47 / 40°F 75% 989 mb
Low level cloud: 32%
Mid level cloud: 47%
High level cloud: 0%
Most Significant Cloud Type: low
48%
0.2 In
19:00

NNE
NNE

 13 / 27 mph 29 / 19°F 65% 1011 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: medium
46%
0.0 In
Wed 18
Feb		01:00

NW
NW

 11 / 24 mph 37 / 29°F 83% 996 mb
Low level cloud: 64%
Mid level cloud: 100%
High level cloud: 0%
Most Significant Cloud Type: low
98%
0.0 In
07:00

NNE
NNE

 11 / 22 mph 24 / 13°F 66% 1018 mb
Low level cloud: 3%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
2%
0.0 In
13:00

NNW
NNW

 14 / 30 mph 42 / 34°F 61% 1014 mb
Low level cloud: 35%
Mid level cloud: 27%
High level cloud: 0%
Most Significant Cloud Type: low
44%
0.0 In
19:00

NE
NE

 5 / 10 mph 32 / 27°F 60% 1022 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
Thu 19
Feb		01:00

SSE
SSE

 3 / 7 mph 35 / 32°F 79% 1028 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 40%
Most Significant Cloud Type: high
39%
0.0 In
07:00

ESE
ESE

 3 / 7 mph 28 / 24°F 65% 1023 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
13:00

S
S

 12 / 25 mph 40 / 33°F 43% 1029 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 31%
Most Significant Cloud Type: medium
47%
0.0 In
19:00

SSE
SSE

 5 / 11 mph 31 / 26°F 59% 1021 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 100%
Most Significant Cloud Type: high
99%
0.0 In
Fri 20
Feb		01:00

S
S

 9 / 19 mph 36 / 29°F 70% 1026 mb
Low level cloud: 14%
Mid level cloud: 7%
High level cloud: 33%
Most Significant Cloud Type: low
20%
0.0 In
07:00

S
S

 7 / 14 mph 34 / 28°F 66% 1022 mb
Low level cloud: 88%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
13:00

SSW
SSW

 8 / 17 mph 46 / 42°F 57% 1025 mb
Low level cloud: 2%
Mid level cloud: 42%
High level cloud: 71%
Most Significant Cloud Type: medium
51%
0.0 In
19:00

SSE
SSE

 5 / 10 mph 44 / 41°F 82% 1029 mb
Low level cloud: 23%
Mid level cloud: 0%
High level cloud: 8%
Most Significant Cloud Type: low
23%
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