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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:

Reviewing the forecast for US DE Chantilly Over the next 14 days and the average daytime maximum temperature will be around 30°C, with a high for the two weeks of 39°C expected on the afternoon of Tuesday 1st. The mean minimum temperature will be 14°C, dipping to its lowest on the morning of Monday 7th at 10°C. The next 14 days will remain predominantly dry. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Tue 01
Jul		22:00

N
N

 5 / 10 mph 76 / 78°F 58% 1015 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 12%
Most Significant Cloud Type: medium
7%
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 02
Jul		01:00

NNW
NNW

 4 / 8 mph 71 / 71°F 70% 1015 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
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
04:00

NW
NW

 5 / 9 mph 67 / 67°F 77% 1014 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: high
0%
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

 6 / 9 mph 74 / 76°F 61% 1015 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
1%
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

N
N

 2 / 3 mph 88 / 85°F 39% 1014 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 0%
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

W
W

 10 / 11 mph 94 / 92°F 31% 1014 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: medium
10%
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

 15 / 17 mph 83 / 82°F 53% 1016 mb
Low level cloud: 0%
Mid level cloud: 17%
High level cloud: 92%
Most Significant Cloud Type: medium
20%
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

 15 / 19 mph 73 / 76°F 57% 1018 mb
Low level cloud: 0%
Mid level cloud: 43%
High level cloud: 9%
Most Significant Cloud Type: medium
43%
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

 6 / 10 mph 64 / 64°F 66% 1021 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 43%
Most Significant Cloud Type: medium
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
Thu 03
Jul		01:00

NNW
NNW

 7 / 11 mph 61 / 61°F 93% 1023 mb
Low level cloud: 3%
Mid level cloud: 3%
High level cloud: 4%
Most Significant Cloud Type: low
4%
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

 5 / 9 mph 58 / 57°F 96% 1024 mb
Low level cloud: 8%
Mid level cloud: 0%
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
07:00

NNE
NNE

 7 / 9 mph 63 / 60°F 82% 1026 mb
Low level cloud: 10%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
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
10:00

NNE
NNE

 9 / 10 mph 74 / 75°F 39% 1026 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
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

NNE
NNE

 8 / 9 mph 80 / 75°F 21% 1026 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
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

NNE
NNE

 7 / 8 mph 82 / 77°F 18% 1025 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
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

NNE
NNE

 7 / 8 mph 82 / 77°F 25% 1024 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
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
22:00

N
N

 11 / 20 mph 63 / 63°F 45% 1026 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
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
Fri 04
Jul		01:00

NNW
NNW

 5 / 10 mph 58 / 58°F 61% 1027 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
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 54 / 53°F 68% 1027 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
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

N
N

 3 / 5 mph 60 / 59°F 46% 1028 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
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

N
N

 4 / 4 mph 76 / 74°F 27% 1027 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 4%
Most Significant Cloud Type: high
4%
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

 4 / 4 mph 84 / 78°F 19% 1026 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 3%
Most Significant Cloud Type: medium
2%
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

 3 / 3 mph 87 / 81°F 18% 1024 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
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 / 4 mph 86 / 80°F 26% 1023 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 86%
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
22:00

N
N

 6 / 13 mph 63 / 63°F 43% 1024 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 05
Jul		01:00

NNW
NNW

 4 / 9 mph 58 / 57°F 60% 1023 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 6%
Most Significant Cloud Type: high
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
04:00

NNW
NNW

 3 / 6 mph 55 / 55°F 65% 1022 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 11%
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
07:00

NNW
NNW

 2 / 3 mph 62 / 60°F 49% 1021 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: high
0%
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

WSW
WSW

 4 / 4 mph 77 / 75°F 28% 1019 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 1%
Most Significant Cloud Type: medium
2%
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

 8 / 9 mph 87 / 81°F 20% 1017 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 4%
Most Significant Cloud Type: medium
7%
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

 8 / 10 mph 91 / 86°F 14% 1013 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 12%
Most Significant Cloud Type: medium
2%
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

 14 / 21 mph 87 / 82°F 18% 1011 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: high
0%
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

 5 / 7 mph 68 / 68°F 54% 1013 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
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 06
Jul		01:00

NW
NW

 1 / 2 mph 56 / 56°F 66% 1012 mb
Low level cloud: 0%
Mid level cloud: 27%
High level cloud: 0%
Most Significant Cloud Type: medium
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
04:00

SW
SW

 5 / 11 mph 56 / 56°F 77% 1011 mb
Low level cloud: 7%
Mid level cloud: 19%
High level cloud: 61%
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
07:00

WSW
WSW

 8 / 11 mph 63 / 62°F 86% 1011 mb
Low level cloud: 62%
Mid level cloud: 18%
High level cloud: 100%
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
10:00

WSW
WSW

 9 / 13 mph 61 / 61°F 76% 1012 mb
Low level cloud: 89%
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
13:00

W
W

 15 / 18 mph 76 / 76°F 36% 1011 mb
Low level cloud: 0%
Mid level cloud: 32%
High level cloud: 100%
Most Significant Cloud Type: medium
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
16:00

W
W

 16 / 19 mph 73 / 76°F 39% 1012 mb
Low level cloud: 9%
Mid level cloud: 68%
High level cloud: 0%
Most Significant Cloud Type: medium
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
19:00

W
W

 15 / 21 mph 70 / 69°F 47% 1012 mb
Low level cloud: 27%
Mid level cloud: 44%
High level cloud: 0%
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
22:00

W
W

 10 / 16 mph 60 / 60°F 66% 1014 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: medium
11%
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 07
Jul		01:00

W
W

 9 / 16 mph 55 / 52°F 87% 1015 mb
Low level cloud: 2%
Mid level cloud: 13%
High level cloud: 3%
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
04:00

W
W

 7 / 13 mph 52 / 50°F 95% 1016 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
07:00

W
W

 8 / 11 mph 58 / 54°F 81% 1017 mb
Low level cloud: 14%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
15%
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

 9 / 10 mph 71 / 68°F 47% 1017 mb
Low level cloud: 51%
Mid level cloud: 2%
High level cloud: 8%
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

WSW
WSW

 9 / 10 mph 78 / 76°F 31% 1015 mb
Low level cloud: 0%
Mid level cloud: 25%
High level cloud: 100%
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
16:00

WNW
WNW

 12 / 14 mph 80 / 77°F 26% 1014 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 100%
Most Significant Cloud Type: medium
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
19:00

NW
NW

 13 / 17 mph 73 / 75°F 38% 1014 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 100%
Most Significant Cloud Type: medium
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
22:00

NNE
NNE

 4 / 6 mph 62 / 62°F 65% 1015 mb
Low level cloud: 0%
Mid level cloud: 22%
High level cloud: 100%
Most Significant Cloud Type: medium
25%
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 08
Jul		01:00

W
W

 4 / 6 mph 59 / 59°F 88% 1012 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: medium
14%
0.0 In
07:00

NE
NE

 5 / 7 mph 61 / 61°F 55% 1023 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

 4 / 7 mph 73 / 76°F 51% 1013 mb
Low level cloud: 30%
Mid level cloud: 87%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
0.0 In
19:00

NW
NW

 13 / 20 mph 77 / 76°F 25% 1014 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 21%
Most Significant Cloud Type: medium
4%
0.0 In
Wed 09
Jul		01:00

NNW
NNW

 1 / 2 mph 56 / 56°F 88% 1020 mb
Low level cloud: 0%
Mid level cloud: 17%
High level cloud: 17%
Most Significant Cloud Type: medium
17%
0.0 In
07:00

W
W

 2 / 5 mph 59 / 59°F 72% 1024 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: medium
6%
0.0 In
13:00

WSW
WSW

 6 / 13 mph 83 / 81°F 28% 1023 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
0.0 In
19:00

NNW
NNW

 9 / 12 mph 74 / 75°F 31% 1021 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 18%
Most Significant Cloud Type: medium
3%
0.0 In
Thu 10
Jul		01:00

WNW
WNW

 5 / 7 mph 62 / 62°F 82% 1021 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 4%
Most Significant Cloud Type: medium
10%
0.0 In
07:00

WSW
WSW

 4 / 5 mph 62 / 62°F 56% 1023 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 1%
Most Significant Cloud Type: medium
6%
0.0 In
13:00

W
W

 10 / 13 mph 84 / 83°F 36% 1019 mb
Low level cloud: 0%
Mid level cloud: 55%
High level cloud: 11%
Most Significant Cloud Type: medium
55%
0.0 In
19:00

NNE
NNE

 10 / 14 mph 78 / 78°F 37% 1019 mb
Low level cloud: 0%
Mid level cloud: 25%
High level cloud: 33%
Most Significant Cloud Type: medium
26%
0.0 In
Fri 11
Jul		01:00

WSW
WSW

 4 / 6 mph 65 / 65°F 91% 1020 mb
Low level cloud: 0%
Mid level cloud: 25%
High level cloud: 0%
Most Significant Cloud Type: medium
25%
0.0 In
07:00

NNE
NNE

 4 / 5 mph 67 / 67°F 74% 1020 mb
Low level cloud: 0%
Mid level cloud: 23%
High level cloud: 0%
Most Significant Cloud Type: medium
23%
0.0 In
13:00

WSW
WSW

 10 / 13 mph 86 / 85°F 37% 1018 mb
Low level cloud: 0%
Mid level cloud: 44%
High level cloud: 3%
Most Significant Cloud Type: medium
43%
0.0 In
19:00

NE
NE

 9 / 13 mph 79 / 79°F 43% 1017 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: medium
13%
0.0 In
Sat 12
Jul		01:00

N
N

 2 / 2 mph 67 / 67°F 90% 1021 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: medium
8%
0.0 In
07:00

NNE
NNE

 3 / 4 mph 71 / 71°F 69% 1018 mb
Low level cloud: 0%
Mid level cloud: 22%
High level cloud: 17%
Most Significant Cloud Type: medium
22%
0.0 In
13:00

WSW
WSW

 6 / 8 mph 91 / 90°F 31% 1020 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 2%
Most Significant Cloud Type: medium
4%
0.0 In
19:00

N
N

 10 / 15 mph 79 / 80°F 42% 1017 mb
Low level cloud: 0%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: medium
43%
0.0 In
Sun 13
Jul		01:00

NNE
NNE

 5 / 8 mph 68 / 68°F 76% 1022 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
0.0 In
07:00

N
N

 4 / 5 mph 71 / 71°F 60% 1020 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 100%
Most Significant Cloud Type: medium
15%
0.0 In
13:00

NE
NE

 4 / 6 mph 102 / 101°F 22% 1019 mb
Low level cloud: 0%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: medium
17%
0.0 In
19:00

N
N

 11 / 17 mph 89 / 86°F 26% 1018 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 2%
Most Significant Cloud Type: medium
13%
0.0 In
Mon 14
Jul		01:00

NNW
NNW

 6 / 13 mph 73 / 77°F 61% 1018 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 1%
Most Significant Cloud Type: medium
14%
0.0 In
07:00

N
N

 4 / 6 mph 73 / 77°F 57% 1021 mb
Low level cloud: 0%
Mid level cloud: 20%
High level cloud: 22%
Most Significant Cloud Type: medium
21%
0.0 In
13:00

NW
NW

 7 / 10 mph 99 / 97°F 21% 1017 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
0.0 In
19:00

NE
NE

 9 / 14 mph 92 / 90°F 24% 1017 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
0.0 In
Tue 15
Jul		01:00

NNW
NNW

 5 / 9 mph 68 / 68°F 66% 1019 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: medium
7%
0.0 In
07:00

NE
NE

 6 / 7 mph 75 / 78°F 55% 1018 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 1%
Most Significant Cloud Type: medium
10%
0.0 In
13:00

NNW
NNW

 9 / 12 mph 94 / 91°F 21% 1017 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: medium
16%
0.0 In
19:00

NE
NE

 13 / 18 mph 92 / 90°F 25% 1013 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: medium
20%
0.0 In
Wed 16
Jul		01:00

NNE
NNE

 9 / 17 mph 65 / 65°F 67% 1019 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: medium
9%
0.0 In
07:00

NE
NE

 9 / 12 mph 71 / 71°F 63% 1014 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: medium
9%
0.0 In
13:00

ENE
ENE

 9 / 13 mph 94 / 92°F 24% 1017 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 2%
Most Significant Cloud Type: medium
6%
0.0 In
19:00

NNE
NNE

 11 / 16 mph 94 / 91°F 21% 1011 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 1%
Most Significant Cloud Type: medium
2%
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