Ashburn, Virginia
Current Conditions -  °F | °C
As of 3:15 AM on Tuesday 22 Jul 2014 (Local Time) from KJYO Reporting Station
Scattered Clouds Scattered Clouds  
Wind Chill: 72°   Ceiling: Unl
Heat Index: 72°   Visibility: 10mi
Dew Point: 72°   Wind: 5mph
Humidity: 100%   Direction: 200°SSW
Pressure: 30.17"   Gusts: NA
Location:  39.04°N, 77.48°W
Report Text: KJYO 220715Z AUTO 20004KT 10SM SCT010 SCT025 22/22 A3017 RMK AO2
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Tropical Storm Tracking
Hourly Forecast -  °F | °C
Hi 89° - Lo 71°
4 AM
M Cloudy
M Cloudy
71°
5 AM
M Cloudy
M Cloudy
71°
6 AM
M Cloudy
M Cloudy
71°
7 AM
M Cloudy
M Cloudy
72°
8 AM
M Cloudy
M Cloudy
73°
9 AM
M Cloudy
M Cloudy
75°
Weather Maps
Daily Forecast -  °F | °C
tue wed thu fri sat sun mon tue wed thu
jul
22
Iso T-Storms
Iso T-Storms
89°
71°
jul
23
PM T-Storms
PM T-Storms
95°
71°
jul
24
Iso T-Storms
Iso T-Storms
79°
65°
jul
25
P Cloudy
P Cloudy
86°
62°
jul
26
P Cloudy
P Cloudy
89°
66°
jul
27
Sct T-Storms
Sct T-Storms
84°
67°
jul
28
Sct T-Storms
Sct T-Storms
85°
66°
jul
29
PM T-Storms
PM T-Storms
84°
64°
jul
30
Sct T-Storms
Sct T-Storms
82°
64°
jul
31
Sct T-Storms
Sct T-Storms
83°
65°
Details for Tuesday, July 22
Scattered clouds with the possibility of an isolated thunderstorm developing this afternoon. Humid. High 89F. Winds S at 5 to 10 mph. Chance of rain 30%.
Evening: Isolated thunderstorms this evening. Skies will become partly cloudy after midnight. Humid. Low 71F. Winds S at 5 to 10 mph. Chance of rain 30%.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 73%
Relative Humidity
Precipitation: 30%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 62%
Cloud Coverage
Sunrise: 6:02 AM
Sunset: 8:30 PM
 
Moonrise: 2:34 AM
Moonset: 5:07 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  S
Direction: S (169°)
Speed: 8Mph(13Km, 7Kts)
Details for Wednesday, July 23
Partly cloudy in the morning followed by scattered thunderstorms in the afternoon. Hot and humid. High around 95F. Winds SSW at 5 to 10 mph. Chance of rain 50%.
Evening: Variable clouds with scattered thunderstorms. Humid. Low 71F. Winds WNW at 5 to 10 mph. Chance of rain 50%.
UV Index: 10 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 66%
Relative Humidity
Precipitation: 50%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 42%
Cloud Coverage
Sunrise: 6:03 AM
Sunset: 8:29 PM
 
Moonrise: 3:20 AM
Moonset: 5:57 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  SSW
Direction: SSW (210°)
Speed: 7Mph(12Km, 6Kts)
Details for Thursday, July 24
Isolated thunderstorms. Highs in the upper 70s and lows in the mid 60s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 73%
Relative Humidity
Precipitation: 30%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 63%
Cloud Coverage
Sunrise: 6:04 AM
Sunset: 8:29 PM
 
Moonrise: 4:10 AM
Moonset: 6:43 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  NNW
Direction: NNW (336°)
Speed: 8Mph(13Km, 7Kts)
Details for Friday, July 25
Times of sun and clouds. Highs in the mid 80s and lows in the low 60s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 64%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 26%
Cloud Coverage
Sunrise: 6:04 AM
Sunset: 8:28 PM
 
Moonrise: 5:02 AM
Moonset: 7:24 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  N
Direction: N (358°)
Speed: 9Mph(15Km, 8Kts)
Details for Saturday, July 26
Mix of sun and clouds. Highs in the upper 80s and lows in the mid 60s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 60%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 39%
Cloud Coverage
Sunrise: 6:05 AM
Sunset: 8:27 PM
 
Moonrise: 5:56 AM
Moonset: 8:02 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  SSE
Direction: SSE (151°)
Speed: 9Mph(15Km, 8Kts)
Details for Sunday, July 27
Scattered thunderstorms possible. Highs in the mid 80s and lows in the upper 60s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 68%
Relative Humidity
Precipitation: 40%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 47%
Cloud Coverage
Sunrise: 6:06 AM
Sunset: 8:26 PM
 
Moonrise: 6:51 AM
Moonset: 8:36 PM
Moon Phase:  New
Moonphase:
New
Wind Direction:  S
Direction: S (179°)
Speed: 8Mph(13Km, 7Kts)
Details for Monday, July 28
Scattered thunderstorms. Highs in the mid 80s and lows in the mid 60s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 70%
Relative Humidity
Precipitation: 40%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 31%
Cloud Coverage
Sunrise: 6:07 AM
Sunset: 8:25 PM
 
Moonrise: 7:46 AM
Moonset: 9:07 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  WSW
Direction: WSW (240°)
Speed: 7Mph(12Km, 6Kts)
Details for Tuesday, July 29
Thunderstorms developing in the afternoon. Highs in the mid 80s and lows in the mid 60s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 71%
Relative Humidity
Precipitation: 80%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 54%
Cloud Coverage
Sunrise: 6:08 AM
Sunset: 8:24 PM
 
Moonrise: 8:41 AM
Moonset: 9:38 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  SW
Direction: SW (222°)
Speed: 5Mph(8Km, 4Kts)
Details for Wednesday, July 30
Scattered thunderstorms possible. Highs in the low 80s and lows in the mid 60s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 73%
Relative Humidity
Precipitation: 60%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 47%
Cloud Coverage
Sunrise: 6:09 AM
Sunset: 8:23 PM
 
Moonrise: 9:37 AM
Moonset: 10:07 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  SSW
Direction: SSW (210°)
Speed: 4Mph(7Km, 3Kts)
Details for Thursday, July 31
Scattered thunderstorms. Highs in the low 80s and lows in the mid 60s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 72%
Relative Humidity
Precipitation: 40%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 40%
Cloud Coverage
Sunrise: 6:10 AM
Sunset: 8:22 PM
 
Moonrise: 10:33 AM
Moonset: 10:37 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  SSW
Direction: SSW (206°)
Speed: 5Mph(8Km, 4Kts)
Daily Forecast Chart
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