Chantilly, Virginia
Current Conditions -  °F | °C
As of 8:52 AM on Monday 21 Apr 2014 (Local Time) from KIAD Reporting Station
Scattered Clouds Scattered Clouds  
Wind Chill: 48°   Ceiling: Unl
Heat Index: 48°   Visibility: 10mi
Dew Point: 30°   Wind: 0mph
Humidity: 50%   Direction: NA
Pressure: 30.21"   Gusts: NA
Location:  38.88°N, 77.44°W
Report Text: KIAD 211252Z 00000KT 10SM SCT250 09/M01 A3021 RMK AO2 SLP229 T00891011
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Personal Weather Stations






























Hourly Forecast -  °F | °C
Hi 69° - Lo 47°
10 AM
Sunny
Sunny
52°
11 AM
Sunny
Sunny
56°
12 PM
Sunny
Sunny
60°
1 PM
Sunny
Sunny
62°
2 PM
Sunny
Sunny
65°
3 PM
Sunny
Sunny
67°
Weather Maps
Daily Forecast -  °F | °C
mon tue wed thu fri sat sun mon tue wed
apr
21
Sunny
Sunny
69°
47°
apr
22
Sct T-Storms
Sct T-Storms
75°
45°
apr
23
P Cldy/Wind
P Cldy/Wind
61°
38°
apr
24
M Sunny
M Sunny
67°
46°
apr
25
Sct T-Storms
Sct T-Storms
78°
50°
apr
26
Sunny
Sunny
72°
42°
apr
27
P Cloudy
P Cloudy
62°
42°
apr
28
M Cloudy
M Cloudy
67°
48°
apr
29
Showers
Showers
66°
50°
apr
30
Sct Showers
Sct Showers
61°
47°
Details for Monday, April 21
Sunny. High 69F. Winds light and variable.
Evening: Partly to mostly cloudy. Low 47F. Winds S at 5 to 10 mph.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 40%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 12%
Cloud Coverage
Sunrise: 6:25 AM
Sunset: 7:53 PM
 
Moonrise: 1:21 AM
Moonset: 11:50 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  ESE
Direction: ESE (122°)
Speed: 5Mph(8Km, 4Kts)
Details for Tuesday, April 22
Showers early then scattered thunderstorms developing later in the day. High near 75F. Winds SW at 10 to 20 mph. Chance of rain 60%.
Evening: A few clouds. Low around 45F. Winds NW at 10 to 20 mph.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 61%
Relative Humidity
Precipitation: 60%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 71%
Cloud Coverage
Sunrise: 6:23 AM
Sunset: 7:54 PM
 
Moonrise: 2:07 AM
Moonset: 12:56 PM
Moon Phase:  Last Quarter
Moonphase:
Last Quarter
Wind Direction:  SW
Direction: SW (219°)
Speed: 13Mph(21Km, 11Kts)
Details for Wednesday, April 23
Partly cloudy and windy. Highs in the low 60s and lows in the upper 30s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 45%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 18%
Cloud Coverage
Sunrise: 6:22 AM
Sunset: 7:55 PM
 
Moonrise: 2:49 AM
Moonset: 2:04 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  NW
Direction: NW (317°)
Speed: 20Mph(32Km, 17Kts)
Details for Thursday, April 24
Plenty of sun. Highs in the upper 60s and lows in the mid 40s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 42%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 20%
Cloud Coverage
Sunrise: 6:21 AM
Sunset: 7:56 PM
 
Moonrise: 3:28 AM
Moonset: 3:11 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  W
Direction: W (261°)
Speed: 7Mph(12Km, 6Kts)
Details for Friday, April 25
A few thunderstorms possible. Highs in the upper 70s and lows in the low 50s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 62%
Relative Humidity
Precipitation: 40%
Probability of Precipitation
Snow: 1%
Snow
Cloud Coverage: 53%
Cloud Coverage
Sunrise: 6:19 AM
Sunset: 7:57 PM
 
Moonrise: 4:04 AM
Moonset: 4:19 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  SW
Direction: SW (224°)
Speed: 8Mph(13Km, 7Kts)
Details for Saturday, April 26
Sunny. Highs in the low 70s and lows in the low 40s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 54%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 0%
Cloud Coverage
Sunrise: 6:18 AM
Sunset: 7:57 PM
 
Moonrise: 4:40 AM
Moonset: 5:25 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  WNW
Direction: WNW (292°)
Speed: 12Mph(20Km, 10Kts)
Details for Sunday, April 27
Times of sun and clouds. Highs in the low 60s and lows in the low 40s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 46%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 1%
Snow
Cloud Coverage: 32%
Cloud Coverage
Sunrise: 6:17 AM
Sunset: 7:58 PM
 
Moonrise: 5:15 AM
Moonset: 6:31 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  NNW
Direction: NNW (339°)
Speed: 13Mph(21Km, 11Kts)
Details for Monday, April 28
Considerable cloudiness. Highs in the upper 60s and lows in the upper 40s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 54%
Relative Humidity
Precipitation: 60%
Probability of Precipitation
Snow: 4%
Snow
Cloud Coverage: 74%
Cloud Coverage
Sunrise: 6:16 AM
Sunset: 7:59 PM
 
Moonrise: 5:52 AM
Moonset: 7:36 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  NNE
Direction: NNE (21°)
Speed: 8Mph(13Km, 7Kts)
Details for Tuesday, April 29
Showers. Highs in the mid 60s and lows in the low 50s.
UV Index: 3 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 63%
Relative Humidity
Precipitation: 60%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 88%
Cloud Coverage
Sunrise: 6:14 AM
Sunset: 8:00 PM
 
Moonrise: 6:31 AM
Moonset: 8:38 PM
Moon Phase:  New
Moonphase:
New
Wind Direction:  E
Direction: E (101°)
Speed: 8Mph(13Km, 7Kts)
Details for Wednesday, April 30
Some sun with a few showers possible. Highs in the low 60s and lows in the upper 40s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 60%
Relative Humidity
Precipitation: 40%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 85%
Cloud Coverage
Sunrise: 6:13 AM
Sunset: 8:01 PM
 
Moonrise: 7:13 AM
Moonset: 9:38 PM
Moon Phase:  New
Moonphase:
New
Wind Direction:  NNE
Direction: NNE (24°)
Speed: 9Mph(15Km, 8Kts)
Daily Forecast Chart
Chart.
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