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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 outlook for US DE Chantilly in the two weeks ahead shows the average daytime maximum temperature will be around 18°C, with a high for the two weeks of 21°C expected on the afternoon of Sunday 26th. The mean minimum temperature will be 10°C, dipping to its lowest on the morning of Monday 20th at 7°C. The fortnight ahead will have some days seeing a little precipitation and some days with rain. The current forecast indicates Saturday 18th 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
Fri 17
May
04:00

SW
SW

3 / 6 mph 50 / 49°F 96% 1008 mb
Low level cloud: 19%
Mid level cloud: 18%
High level cloud: 100%
Most Significant Cloud Type: low
37%
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

SW
SW

2 / 3 mph 54 / 53°F 91% 1010 mb
Low level cloud: 20%
Mid level cloud: 22%
High level cloud: 100%
Most Significant Cloud Type: low
39%
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

4 / 5 mph 61 / 59°F 74% 1011 mb
Low level cloud: 49%
Mid level cloud: 23%
High level cloud: 100%
Most Significant Cloud Type: low
69%
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

W
W

6 / 7 mph 67 / 64°F 58% 1010 mb
Low level cloud: 27%
Mid level cloud: 72%
High level cloud: 100%
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
16:00

NW
NW

6 / 7 mph 67 / 65°F 57% 1010 mb
Low level cloud: 60%
Mid level cloud: 12%
High level cloud: 100%
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
19:00

N
N

4 / 6 mph 64 / 61°F 79% 1010 mb
Low level cloud: 0%
Mid level cloud: 50%
High level cloud: 100%
Most Significant Cloud Type: medium
53%
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

3 / 5 mph 56 / 56°F 87% 1011 mb
Low level cloud: 0%
Mid level cloud: 79%
High level cloud: 100%
Most Significant Cloud Type: medium
83%
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 18
May
01:00

NNW
NNW

3 / 5 mph 53 / 54°F 92% 1011 mb
Low level cloud: 3%
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 0.0 In precipitation over the next 6 hours.
Expect 0.2 In precipitation over the next 12 hours.
0.0 In
04:00

NNW
NNW

4 / 7 mph 52 / 52°F 89% 1011 mb
Low level cloud: 66%
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 0.2 In precipitation over the next 12 hours.
0.0 In
07:00

W
W

3 / 4 mph 52 / 52°F 90% 1011 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 0.2 In precipitation over the next 6 hours.
Expect 0.2 In precipitation over the next 12 hours.
0.0 In
10:00

WNW
WNW

9 / 12 mph 55 / 52°F 90% 1012 mb
Low level cloud: 34%
Mid level cloud: 86%
High level cloud: 100%
Most Significant Cloud Type: low
76%
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

WNW
WNW

9 / 13 mph 54 / 51°F 94% 1012 mb
Low level cloud: 49%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
95%
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

WNW
WNW

9 / 11 mph 57 / 55°F 89% 1011 mb
Low level cloud: 95%
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
19:00

W
W

7 / 11 mph 58 / 57°F 85% 1011 mb
Low level cloud: 97%
Mid level cloud: 28%
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

WNW
WNW

6 / 11 mph 55 / 54°F 96% 1012 mb
Low level cloud: 29%
Mid level cloud: 46%
High level cloud: 0%
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
Sun 19
May
01:00

WNW
WNW

4 / 9 mph 51 / 50°F 96% 1012 mb
Low level cloud: 24%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: low
30%
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

WNW
WNW

3 / 5 mph 49 / 49°F 95% 1013 mb
Low level cloud: 17%
Mid level cloud: 19%
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
07:00

WNW
WNW

3 / 5 mph 54 / 52°F 91% 1013 mb
Low level cloud: 48%
Mid level cloud: 22%
High level cloud: 0%
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

NW
NW

6 / 7 mph 63 / 61°F 77% 1013 mb
Low level cloud: 83%
Mid level cloud: 9%
High level cloud: 2%
Most Significant Cloud Type: low
86%
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

7 / 8 mph 69 / 67°F 56% 1012 mb
Low level cloud: 27%
Mid level cloud: 12%
High level cloud: 6%
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

NNW
NNW

8 / 10 mph 68 / 65°F 65% 1011 mb
Low level cloud: 31%
Mid level cloud: 29%
High level cloud: 10%
Most Significant Cloud Type: low
42%
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

7 / 9 mph 65 / 62°F 82% 1011 mb
Low level cloud: 18%
Mid level cloud: 20%
High level cloud: 0%
Most Significant Cloud Type: low
24%
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

N
N

4 / 8 mph 54 / 54°F 95% 1012 mb
Low level cloud: 19%
Mid level cloud: 22%
High level cloud: 0%
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
Mon 20
May
01:00

N
N

5 / 9 mph 51 / 49°F 96% 1012 mb
Low level cloud: 18%
Mid level cloud: 10%
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
04:00

N
N

4 / 8 mph 47 / 45°F 98% 1011 mb
Low level cloud: 71%
Mid level cloud: 7%
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
07:00

NNE
NNE

5 / 7 mph 52 / 50°F 90% 1011 mb
Low level cloud: 95%
Mid level cloud: 8%
High level cloud: 0%
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

NNE
NNE

4 / 5 mph 57 / 57°F 77% 1010 mb
Low level cloud: 91%
Mid level cloud: 8%
High level cloud: 9%
Most Significant Cloud Type: low
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
13:00

NNW
NNW

3 / 4 mph 67 / 64°F 64% 1009 mb
Low level cloud: 49%
Mid level cloud: 5%
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
16:00

NNW
NNW

5 / 6 mph 69 / 66°F 62% 1008 mb
Low level cloud: 22%
Mid level cloud: 8%
High level cloud: 40%
Most Significant Cloud Type: low
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
19:00

NNW
NNW

7 / 10 mph 65 / 62°F 81% 1007 mb
Low level cloud: 8%
Mid level cloud: 32%
High level cloud: 33%
Most Significant Cloud Type: medium
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
22:00

N
N

4 / 9 mph 56 / 55°F 95% 1008 mb
Low level cloud: 6%
Mid level cloud: 44%
High level cloud: 100%
Most Significant Cloud Type: medium
65%
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 21
May
01:00

NNE
NNE

2 / 4 mph 55 / 56°F 99% 1008 mb
Low level cloud: 56%
Mid level cloud: 65%
High level cloud: 33%
Most Significant Cloud Type: low
82%
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
04:00

SSE
SSE

3 / 5 mph 55 / 56°F 97% 1007 mb
Low level cloud: 31%
Mid level cloud: 61%
High level cloud: 84%
Most Significant Cloud Type: low
62%
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

2 / 4 mph 57 / 57°F 96% 1008 mb
Low level cloud: 73%
Mid level cloud: 43%
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
10:00

S
S

8 / 10 mph 61 / 61°F 79% 1009 mb
Low level cloud: 98%
Mid level cloud: 28%
High level cloud: 5%
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

11 / 13 mph 62 / 62°F 75% 1009 mb
Low level cloud: 81%
Mid level cloud: 22%
High level cloud: 0%
Most Significant Cloud Type: low
88%
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 62 / 61°F 80% 1008 mb
Low level cloud: 68%
Mid level cloud: 31%
High level cloud: 9%
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
19:00

SSW
SSW

10 / 14 mph 62 / 60°F 85% 1008 mb
Low level cloud: 7%
Mid level cloud: 25%
High level cloud: 8%
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

S
S

4 / 9 mph 54 / 53°F 95% 1009 mb
Low level cloud: 19%
Mid level cloud: 23%
High level cloud: 79%
Most Significant Cloud Type: low
36%
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 22
May
01:00

S
S

6 / 10 mph 52 / 50°F 97% 1009 mb
Low level cloud: 78%
Mid level cloud: 24%
High level cloud: 32%
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
04:00

SW
SW

10 / 15 mph 53 / 50°F 97% 1009 mb
Low level cloud: 99%
Mid level cloud: 44%
High level cloud: 3%
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
07:00

SW
SW

10 / 15 mph 53 / 50°F 97% 1010 mb
Low level cloud: 100%
Mid level cloud: 44%
High level cloud: 15%
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 0.2 In precipitation over the next 12 hours.
0.1 In
10:00

SW
SW

10 / 15 mph 53 / 49°F 97% 1012 mb
Low level cloud: 100%
Mid level cloud: 86%
High level cloud: 4%
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
13:00

SW
SW

11 / 15 mph 58 / 56°F 87% 1012 mb
Low level cloud: 93%
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 0.1 In precipitation over the next 6 hours.
Expect 0.1 In precipitation over the next 12 hours.
0.0 In
16:00

SW
SW

6 / 9 mph 58 / 57°F 91% 1012 mb
Low level cloud: 31%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: medium
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
19:00

WNW
WNW

5 / 8 mph 63 / 60°F 88% 1013 mb
Low level cloud: 5%
Mid level cloud: 32%
High level cloud: 68%
Most Significant Cloud Type: medium
47%
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

WNW
WNW

3 / 6 mph 54 / 55°F 93% 1014 mb
Low level cloud: 21%
Mid level cloud: 58%
High level cloud: 82%
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
Thu 23
May
01:00

W
W

3 / 6 mph 52 / 52°F 94% 1015 mb
Low level cloud: 1%
Mid level cloud: 36%
High level cloud: 9%
Most Significant Cloud Type: medium
39%
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

WNW
WNW

4 / 7 mph 49 / 48°F 94% 1015 mb
Low level cloud: 6%
Mid level cloud: 57%
High level cloud: 34%
Most Significant Cloud Type: medium
74%
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

WNW
WNW

3 / 4 mph 53 / 51°F 93% 1016 mb
Low level cloud: 41%
Mid level cloud: 44%
High level cloud: 97%
Most Significant Cloud Type: low
67%
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 / 4 mph 56 / 56°F 82% 1017 mb
Low level cloud: 63%
Mid level cloud: 100%
High level cloud: 71%
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

6 / 7 mph 62 / 61°F 68% 1017 mb
Low level cloud: 64%
Mid level cloud: 46%
High level cloud: 72%
Most Significant Cloud Type: low
89%
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

W
W

9 / 11 mph 61 / 61°F 69% 1017 mb
Low level cloud: 86%
Mid level cloud: 46%
High level cloud: 16%
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

W
W

6 / 7 mph 62 / 60°F 78% 1018 mb
Low level cloud: 16%
Mid level cloud: 43%
High level cloud: 7%
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
22:00

NW
NW

4 / 7 mph 53 / 53°F 92% 1019 mb
Low level cloud: 44%
Mid level cloud: 93%
High level cloud: 26%
Most Significant Cloud Type: low
80%
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
Fri 24
May
01:00

SW
SW

14 / 29 mph 57 / 54°F 96% 1014 mb
Low level cloud: 100%
Mid level cloud: 84%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
07:00

SSW
SSW

5 / 11 mph 55 / 55°F 90% 1016 mb
Low level cloud: 23%
Mid level cloud: 85%
High level cloud: 24%
Most Significant Cloud Type: medium
100%
0.0 In
13:00

SW
SW

5 / 10 mph 70 / 70°F 51% 1014 mb
Low level cloud: 31%
Mid level cloud: 38%
High level cloud: 100%
Most Significant Cloud Type: low
56%
0.0 In
19:00

NW
NW

3 / 5 mph 65 / 65°F 73% 1019 mb
Low level cloud: 5%
Mid level cloud: 46%
High level cloud: 13%
Most Significant Cloud Type: medium
59%
0.0 In
Sat 25
May
01:00

SE
SE

5 / 11 mph 56 / 55°F 98% 1015 mb
Low level cloud: 84%
Mid level cloud: 74%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
07:00

NNW
NNW

8 / 16 mph 55 / 52°F 89% 1022 mb
Low level cloud: 51%
Mid level cloud: 30%
High level cloud: 9%
Most Significant Cloud Type: low
62%
0.0 In
13:00

SE
SE

6 / 12 mph 59 / 58°F 88% 1016 mb
Low level cloud: 68%
Mid level cloud: 42%
High level cloud: 93%
Most Significant Cloud Type: low
94%
0.0 In
19:00

NNW
NNW

11 / 22 mph 62 / 62°F 80% 1022 mb
Low level cloud: 34%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: low
38%
0.0 In
Sun 26
May
01:00

SSE
SSE

6 / 12 mph 57 / 56°F 96% 1017 mb
Low level cloud: 77%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: low
82%
0.1 In
07:00

WNW
WNW

5 / 10 mph 56 / 55°F 90% 1024 mb
Low level cloud: 92%
Mid level cloud: 21%
High level cloud: 2%
Most Significant Cloud Type: low
99%
0.0 In
13:00

SSE
SSE

4 / 9 mph 61 / 61°F 81% 1016 mb
Low level cloud: 84%
Mid level cloud: 51%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
19:00

NW
NW

9 / 18 mph 64 / 64°F 87% 1022 mb
Low level cloud: 32%
Mid level cloud: 21%
High level cloud: 93%
Most Significant Cloud Type: low
50%
0.1 In
Mon 27
May
01:00

N
N

4 / 8 mph 57 / 57°F 96% 1011 mb
Low level cloud: 23%
Mid level cloud: 25%
High level cloud: 100%
Most Significant Cloud Type: low
43%
0.1 In
07:00

W
W

3 / 6 mph 59 / 59°F 96% 1022 mb
Low level cloud: 98%
Mid level cloud: 43%
High level cloud: 11%
Most Significant Cloud Type: low
100%
0.0 In
13:00

NE
NE

9 / 19 mph 68 / 68°F 73% 1010 mb
Low level cloud: 56%
Mid level cloud: 17%
High level cloud: 15%
Most Significant Cloud Type: low
63%
0.1 In
19:00

WNW
WNW

4 / 7 mph 65 / 65°F 90% 1019 mb
Low level cloud: 46%
Mid level cloud: 23%
High level cloud: 100%
Most Significant Cloud Type: low
66%
0.0 In
Tue 28
May
01:00

N
N

6 / 12 mph 57 / 56°F 96% 1012 mb
Low level cloud: 3%
Mid level cloud: 16%
High level cloud: 14%
Most Significant Cloud Type: medium
25%
0.2 In
07:00

WNW
WNW

3 / 6 mph 61 / 61°F 91% 1016 mb
Low level cloud: 100%
Mid level cloud: 23%
High level cloud: 32%
Most Significant Cloud Type: low
100%
0.0 In
13:00

NNE
NNE

12 / 25 mph 70 / 70°F 62% 1015 mb
Low level cloud: 53%
Mid level cloud: 13%
High level cloud: 3%
Most Significant Cloud Type: low
57%
0.0 In
19:00

WSW
WSW

5 / 11 mph 68 / 68°F 87% 1010 mb
Low level cloud: 47%
Mid level cloud: 36%
High level cloud: 20%
Most Significant Cloud Type: low
61%
0.1 In
Wed 29
May
01:00

N
N

5 / 11 mph 54 / 52°F 96% 1017 mb
Low level cloud: 10%
Mid level cloud: 29%
High level cloud: 40%
Most Significant Cloud Type: medium
58%
0.1 In
07:00

NW
NW

10 / 21 mph 52 / 49°F 95% 1012 mb
Low level cloud: 94%
Mid level cloud: 91%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.2 In
13:00

NNE
NNE

9 / 18 mph 70 / 70°F 65% 1016 mb
Low level cloud: 25%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
26%
0.0 In
19:00

NW
NW

10 / 20 mph 56 / 54°F 72% 1015 mb
Low level cloud: 14%
Mid level cloud: 46%
High level cloud: 100%
Most Significant Cloud Type: medium
88%
0.0 In
Thu 30
May
01:00

NNE
NNE

5 / 11 mph 59 / 59°F 96% 1014 mb
Low level cloud: 11%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
12%
0.0 In
07:00

WNW
WNW

4 / 9 mph 52 / 51°F 83% 1017 mb
Low level cloud: 4%
Mid level cloud: 17%
High level cloud: 90%
Most Significant Cloud Type: medium
31%
0.0 In
13:00

NE
NE

7 / 15 mph 72 / 76°F 63% 1012 mb
Low level cloud: 71%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
73%
0.0 In
19:00

N
N

10 / 20 mph 58 / 57°F 73% 1017 mb
Low level cloud: 6%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
7%
0.1 In
Fri 31
May
01:00

N
N

6 / 12 mph 60 / 60°F 96% 1010 mb
Low level cloud: 10%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
12%
0.0 In
07:00

WNW
WNW

2 / 4 mph 55 / 56°F 85% 1018 mb
Low level cloud: 10%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
10%
0.0 In
13:00

NNE
NNE

14 / 29 mph 71 / 71°F 66% 1008 mb
Low level cloud: 53%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: low
57%
0.0 In
19:00

W
W

6 / 13 mph 63 / 63°F 71% 1014 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 100%
Most Significant Cloud Type: medium
51%
0.0 In
Sat 01
Jun
01:00

N
N

8 / 16 mph 52 / 50°F 98% 1009 mb
Low level cloud: 88%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: low
88%
0.0 In
07:00

S
S

9 / 19 mph 53 / 50°F 95% 1013 mb
Low level cloud: 98%
Mid level cloud: 98%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.1 In
13:00

N
N

4 / 8 mph 65 / 65°F 71% 1008 mb
Low level cloud: 90%
Mid level cloud: 44%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
19:00

S
S

7 / 15 mph 59 / 59°F 95% 1011 mb
Low level cloud: 58%
Mid level cloud: 39%
High level cloud: 0%
Most Significant Cloud Type: low
72%
0.2 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