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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 next 14 day outlook for US DE Chantilly shows the average daytime maximum temperature will be around 9°C, with a high for the two weeks of 13°C expected on the afternoon of Tuesday 16th. The mean minimum temperature will be 5°C, dipping to its lowest on the morning of Friday 26th at -1°C. The fortnight ahead will have mixed overhead conditions with some days dry and some seeing a significant amount of rain. It looks like Friday 19th will have the most precipitation with an accumulation of around 8.0mm. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Tue 16
Dec
10:00

SSE
SSE

8 / 12 mph 52 / 49°F 80% 1011 mb
Low level cloud: 16%
Mid level cloud: 46%
High level cloud: 99%
Most Significant Cloud Type: low
44%
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

5 / 6 mph 55 / 53°F 76% 1011 mb
Low level cloud: 13%
Mid level cloud: 19%
High level cloud: 95%
Most Significant Cloud Type: low
31%
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

4 / 6 mph 55 / 54°F 77% 1012 mb
Low level cloud: 26%
Mid level cloud: 26%
High level cloud: 5%
Most Significant Cloud Type: low
35%
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

3 / 5 mph 54 / 53°F 85% 1013 mb
Low level cloud: 40%
Mid level cloud: 21%
High level cloud: 1%
Most Significant Cloud Type: low
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
22:00

SW
SW

4 / 7 mph 51 / 50°F 91% 1015 mb
Low level cloud: 91%
Mid level cloud: 27%
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
Wed 17
Dec
01:00

WSW
WSW

5 / 8 mph 50 / 48°F 91% 1016 mb
Low level cloud: 38%
Mid level cloud: 23%
High level cloud: 0%
Most Significant Cloud Type: low
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

W
W

4 / 8 mph 47 / 45°F 94% 1017 mb
Low level cloud: 35%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
51%
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

WSW
WSW

4 / 7 mph 45 / 43°F 93% 1018 mb
Low level cloud: 16%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: low
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
10:00

W
W

3 / 5 mph 45 / 44°F 90% 1021 mb
Low level cloud: 18%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
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
13:00

SW
SW

4 / 5 mph 50 / 49°F 75% 1021 mb
Low level cloud: 8%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: low
8%
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 50 / 49°F 75% 1020 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 20%
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
19:00

S
S

4 / 8 mph 47 / 45°F 82% 1020 mb
Low level cloud: 1%
Mid level cloud: 3%
High level cloud: 100%
Most Significant Cloud Type: medium
9%
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

6 / 12 mph 46 / 42°F 90% 1021 mb
Low level cloud: 7%
Mid level cloud: 17%
High level cloud: 89%
Most Significant Cloud Type: medium
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
Thu 18
Dec
01:00

SSW
SSW

9 / 14 mph 47 / 42°F 89% 1020 mb
Low level cloud: 13%
Mid level cloud: 55%
High level cloud: 100%
Most Significant Cloud Type: medium
95%
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

11 / 17 mph 47 / 42°F 83% 1018 mb
Low level cloud: 1%
Mid level cloud: 49%
High level cloud: 97%
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
07:00

S
S

11 / 17 mph 47 / 43°F 84% 1018 mb
Low level cloud: 7%
Mid level cloud: 53%
High level cloud: 3%
Most Significant Cloud Type: medium
72%
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

11 / 16 mph 48 / 44°F 86% 1017 mb
Low level cloud: 38%
Mid level cloud: 96%
High level cloud: 1%
Most Significant Cloud Type: low
72%
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

14 / 20 mph 52 / 47°F 76% 1015 mb
Low level cloud: 23%
Mid level cloud: 43%
High level cloud: 0%
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
16:00

S
S

15 / 25 mph 54 / 49°F 66% 1013 mb
Low level cloud: 0%
Mid level cloud: 22%
High level cloud: 26%
Most Significant Cloud Type: medium
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
19:00

S
S

15 / 26 mph 53 / 48°F 72% 1012 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 33%
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
22:00

SSW
SSW

17 / 27 mph 54 / 49°F 70% 1013 mb
Low level cloud: 97%
Mid level cloud: 52%
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
Fri 19
Dec
01:00

SSW
SSW

16 / 24 mph 53 / 48°F 83% 1013 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 100%
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 0.3 In precipitation over the next 12 hours.
0.1 In
04:00

SW
SW

11 / 16 mph 52 / 48°F 90% 1015 mb
Low level cloud: 99%
Mid level cloud: 80%
High level cloud: 100%
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
07:00

WSW
WSW

5 / 7 mph 49 / 48°F 91% 1017 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 0.1 In precipitation over the next 6 hours.
Expect 0.1 In precipitation over the next 12 hours.
0.0 In
10:00

N
N

4 / 6 mph 47 / 46°F 94% 1020 mb
Low level cloud: 56%
Mid level cloud: 100%
High level cloud: 10%
Most Significant Cloud Type: low
92%
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

W
W

3 / 4 mph 49 / 49°F 76% 1020 mb
Low level cloud: 63%
Mid level cloud: 80%
High level cloud: 46%
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

WNW
WNW

3 / 4 mph 49 / 49°F 68% 1021 mb
Low level cloud: 0%
Mid level cloud: 100%
High level cloud: 46%
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

W
W

2 / 4 mph 46 / 46°F 73% 1022 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 32%
Most Significant Cloud Type: high
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

W
W

1 / 1 mph 43 / 43°F 77% 1021 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 100%
Most Significant Cloud Type: high
99%
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 20
Dec
01:00

E
E

2 / 4 mph 43 / 43°F 80% 1020 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 100%
Most Significant Cloud Type: high
99%
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
04:00

ESE
ESE

3 / 6 mph 42 / 40°F 83% 1018 mb
Low level cloud: 0%
Mid level cloud: 74%
High level cloud: 100%
Most Significant Cloud Type: medium
77%
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
07:00

E
E

4 / 7 mph 42 / 40°F 87% 1016 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 0.2 In precipitation over the next 6 hours.
Expect 0.2 In precipitation over the next 12 hours.
0.0 In
10:00

E
E

5 / 6 mph 45 / 42°F 95% 1014 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 100%
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
13:00

SE
SE

4 / 5 mph 47 / 45°F 97% 1011 mb
Low level cloud: 100%
Mid level cloud: 61%
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
16:00

S
S

7 / 10 mph 47 / 44°F 96% 1009 mb
Low level cloud: 95%
Mid level cloud: 100%
High level cloud: 18%
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

S
S

5 / 9 mph 46 / 43°F 97% 1009 mb
Low level cloud: 100%
Mid level cloud: 84%
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

SSE
SSE

6 / 12 mph 44 / 41°F 97% 1008 mb
Low level cloud: 99%
Mid level cloud: 61%
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
Sun 21
Dec
01:00

S
S

11 / 21 mph 47 / 42°F 83% 1007 mb
Low level cloud: 99%
Mid level cloud: 27%
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
04:00

SSE
SSE

10 / 20 mph 46 / 41°F 88% 1006 mb
Low level cloud: 96%
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
07:00

SE
SE

10 / 17 mph 46 / 41°F 94% 1006 mb
Low level cloud: 38%
Mid level cloud: 45%
High level cloud: 15%
Most Significant Cloud Type: low
55%
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 48 / 45°F 89% 1006 mb
Low level cloud: 21%
Mid level cloud: 64%
High level cloud: 53%
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
13:00

S
S

8 / 12 mph 51 / 47°F 77% 1006 mb
Low level cloud: 53%
Mid level cloud: 100%
High level cloud: 33%
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
16:00

SSE
SSE

7 / 9 mph 51 / 48°F 80% 1006 mb
Low level cloud: 82%
Mid level cloud: 95%
High level cloud: 42%
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

SE
SE

4 / 6 mph 50 / 48°F 90% 1007 mb
Low level cloud: 100%
Mid level cloud: 60%
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
22:00

E
E

4 / 7 mph 48 / 46°F 92% 1006 mb
Low level cloud: 75%
Mid level cloud: 55%
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
Mon 22
Dec
01:00

E
E

6 / 11 mph 46 / 43°F 93% 1005 mb
Low level cloud: 72%
Mid level cloud: 97%
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

11 / 22 mph 45 / 40°F 86% 1005 mb
Low level cloud: 43%
Mid level cloud: 60%
High level cloud: 2%
Most Significant Cloud Type: low
64%
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

6 / 14 mph 45 / 41°F 91% 1006 mb
Low level cloud: 7%
Mid level cloud: 20%
High level cloud: 0%
Most Significant Cloud Type: low
14%
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

6 / 9 mph 48 / 44°F 91% 1008 mb
Low level cloud: 33%
Mid level cloud: 1%
High level cloud: 100%
Most Significant Cloud Type: low
45%
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

5 / 7 mph 49 / 47°F 68% 1008 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 20%
Most Significant Cloud Type: medium
6%
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

ENE
ENE

3 / 4 mph 50 / 49°F 72% 1008 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 3%
Most Significant Cloud Type: medium
6%
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

NE
NE

6 / 8 mph 49 / 46°F 92% 1007 mb
Low level cloud: 10%
Mid level cloud: 15%
High level cloud: 100%
Most Significant Cloud Type: medium
45%
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

ENE
ENE

5 / 9 mph 47 / 44°F 92% 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
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Tue 23
Dec
01:00

N
N

4 / 8 mph 39 / 36°F 94% 1012 mb
Low level cloud: 24%
Mid level cloud: 100%
High level cloud: 17%
Most Significant Cloud Type: medium
100%
0.0 In
07:00

NE
NE

4 / 8 mph 35 / 31°F 96% 1012 mb
Low level cloud: 46%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
45%
0.0 In
13:00

NNE
NNE

3 / 4 mph 51 / 51°F 89% 1017 mb
Low level cloud: 22%
Mid level cloud: 67%
High level cloud: 19%
Most Significant Cloud Type: medium
100%
0.0 In
19:00

W
W

3 / 4 mph 45 / 44°F 85% 1028 mb
Low level cloud: 64%
Mid level cloud: 20%
High level cloud: 28%
Most Significant Cloud Type: low
74%
0.0 In
Wed 24
Dec
01:00

NNE
NNE

13 / 25 mph 39 / 31°F 87% 1014 mb
Low level cloud: 100%
Mid level cloud: 35%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
07:00

NE
NE

15 / 30 mph 36 / 27°F 88% 1016 mb
Low level cloud: 100%
Mid level cloud: 44%
High level cloud: 5%
Most Significant Cloud Type: low
100%
0.0 In
13:00

NE
NE

11 / 15 mph 41 / 35°F 77% 1013 mb
Low level cloud: 66%
Mid level cloud: 12%
High level cloud: 96%
Most Significant Cloud Type: low
81%
0.0 In
19:00

NE
NE

16 / 21 mph 40 / 31°F 65% 1022 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
Thu 25
Dec
01:00

NE
NE

14 / 26 mph 38 / 30°F 82% 1017 mb
Low level cloud: 94%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
97%
0.0 In
07:00

NNE
NNE

10 / 16 mph 32 / 24°F 88% 1023 mb
Low level cloud: 12%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
13%
0.0 In
13:00

NNE
NNE

13 / 17 mph 42 / 35°F 72% 1018 mb
Low level cloud: 98%
Mid level cloud: 0%
High level cloud: 99%
Most Significant Cloud Type: low
100%
0.0 In
19:00

NE
NE

15 / 23 mph 37 / 28°F 74% 1021 mb
Low level cloud: 42%
Mid level cloud: 59%
High level cloud: 0%
Most Significant Cloud Type: low
62%
0.0 In
Fri 26
Dec
01:00

NNE
NNE

13 / 17 mph 30 / 20°F 79% 1017 mb
Low level cloud: 24%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
24%
0.0 In
07:00

ENE
ENE

12 / 18 mph 32 / 22°F 69% 1025 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
0.0 In
13:00

NE
NE

15 / 19 mph 35 / 26°F 68% 1018 mb
Low level cloud: 87%
Mid level cloud: 98%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
19:00

NE
NE

9 / 12 mph 36 / 29°F 57% 1028 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 8%
Most Significant Cloud Type: medium
3%
0.0 In
Sat 27
Dec
01:00

NE
NE

14 / 25 mph 26 / 14°F 52% 1025 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: medium
7%
0.0 In
07:00

NNE
NNE

7 / 12 mph 28 / 21°F 64% 1028 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 1%
Most Significant Cloud Type: high
1%
0.0 In
13:00

NE
NE

17 / 23 mph 31 / 19°F 39% 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

5 / 8 mph 38 / 35°F 90% 1026 mb
Low level cloud: 86%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
86%
0.0 In
Sun 28
Dec
01:00

NNE
NNE

11 / 17 mph 26 / 15°F 77% 1031 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 19%
Most Significant Cloud Type: medium
2%
0.0 In
07:00

NNE
NNE

8 / 14 mph 31 / 23°F 93% 1028 mb
Low level cloud: 23%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
26%
0.0 In
13:00

NE
NE

13 / 17 mph 34 / 25°F 50% 1034 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 12%
Most Significant Cloud Type: high
11%
0.0 In
19:00

NNE
NNE

4 / 8 mph 36 / 33°F 93% 1027 mb
Low level cloud: 79%
Mid level cloud: 0%
High level cloud: 100%
Most Significant Cloud Type: low
91%
0.0 In
Mon 29
Dec
01:00

NNW
NNW

4 / 7 mph 34 / 30°F 64% 1033 mb
Low level cloud: 100%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
07:00

NNW
NNW

13 / 25 mph 40 / 32°F 82% 1022 mb
Low level cloud: 89%
Mid level cloud: 52%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
13:00

NNW
NNW

10 / 16 mph 40 / 34°F 91% 1031 mb
Low level cloud: 91%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
19:00

NNW
NNW

12 / 19 mph 42 / 35°F 82% 1024 mb
Low level cloud: 82%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
98%
0.1 In
Tue 30
Dec
01:00

NW
NW

6 / 14 mph 36 / 31°F 92% 1030 mb
Low level cloud: 79%
Mid level cloud: 78%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
07:00

NW
NW

5 / 9 mph 39 / 35°F 95% 1028 mb
Low level cloud: 52%
Mid level cloud: 100%
High level cloud: 0%
Most Significant Cloud Type: low
86%
0.0 In
13:00

W
W

7 / 11 mph 40 / 35°F 77% 1025 mb
Low level cloud: 97%
Mid level cloud: 25%
High level cloud: 27%
Most Significant Cloud Type: low
100%
0.0 In
19:00

WSW
WSW

13 / 21 mph 43 / 36°F 79% 1021 mb
Low level cloud: 94%
Mid level cloud: 52%
High level cloud: 32%
Most Significant Cloud Type: low
100%
0.0 In
Wed 31
Dec
01:00

WSW
WSW

15 / 31 mph 37 / 28°F 92% 1013 mb
Low level cloud: 93%
Mid level cloud: 66%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
07:00

WNW
WNW

17 / 27 mph 40 / 32°F 65% 1007 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
0.1 In
13:00

NW
NW

13 / 20 mph 42 / 34°F 78% 1011 mb
Low level cloud: 99%
Mid level cloud: 79%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
19:00

WNW
WNW

10 / 18 mph 35 / 27°F 94% 1002 mb
Low level cloud: 57%
Mid level cloud: 36%
High level cloud: 0%
Most Significant Cloud Type: low
69%
0.1 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