Weather Report
Manassas, Virginia
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Current Conditions -  °F | °C
As of 5:55 PM on Tuesday 21 May 2013 (Local Time) from KHEF Reporting Station
NA   Feels Like: 87°
Wind Chill: 82°   Ceiling: NA
Heat Index: 87°   Visibility: 10mi
Dew Point: 72°   Wind: 7mph
Humidity: 70%   Direction: 170° (S)
Pressure: 29.9"   Gusts: NA
Report Text: KHEF 212155Z 17006KT 10SM 28/22 A2990 RMK AO1
7 PM
P Cloudy
P Cloudy 81°
8 PM
P Cloudy
P Cloudy 79°
9 PM
P Cloudy
P Cloudy 77°
Alerts
Interactive Weather Map
10 Day Forecast -  °F | °C
tue wed thu fri sat sun mon tue wed thu
may
21
P Cloudy
P Cloudy
85°
66°
may
22
Iso T-Storms
Iso T-Storms
89°
67°
may
23
Sct T-Storms
Sct T-Storms
82°
60°
may
24
P Cloudy
P Cloudy
67°
48°
may
25
P Cloudy
P Cloudy
73°
48°
may
26
P Cloudy
P Cloudy
73°
50°
may
27
Few Showers
Few Showers
73°
55°
may
28
Iso T-Storms
Iso T-Storms
78°
59°
may
29
Sct T-Storms
Sct T-Storms
82°
64°
may
30
Cloudy
Cloudy
87°
66°
Details for Tuesday, May 21 (Evening)
Evening: A stray thunderstorm is possible through the evening. A few clouds. Low 66F. Winds S at 5 to 10 mph.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 87%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 47%
Cloud Coverage
Sunrise: 5:53 AM
Sunset: 8:21 PM
 
Moonrise: 4:34 PM
Moonset: 3:17 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  S
Direction: S (184°)
Speed: 8Mph(12Km, 6Kts)
Details for Wednesday, May 22
Sun and clouds mixed with a slight chance of thunderstorms during the afternoon. Warm. High 89F. Winds SSW at 5 to 10 mph. Chance of rain 30%.
Evening: Partly cloudy with isolated thunderstorms possible. Low 67F. Winds S at 5 to 10 mph. Chance of rain 30%.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 68%
Relative Humidity
Precipitation: 30%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 44%
Cloud Coverage
Sunrise: 5:52 AM
Sunset: 8:21 PM
 
Moonrise: 5:42 PM
Moonset: 3:53 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  SSW
Direction: SSW (202°)
Speed: 10Mph(16Km, 9Kts)
Details for Thursday, May 23
Scattered thunderstorms. Highs in the low 80s and lows in the low 60s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 75%
Relative Humidity
Precipitation: 50%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 79%
Cloud Coverage
Sunrise: 5:52 AM
Sunset: 8:22 PM
 
Moonrise: 6:53 PM
Moonset: 4:34 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  SSW
Direction: SSW (195°)
Speed: 12Mph(20Km, 10Kts)
Details for Friday, May 24
Mix of sun and clouds. Highs in the upper 60s and lows in the upper 40s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 58%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 17%
Cloud Coverage
Sunrise: 5:51 AM
Sunset: 8:23 PM
 
Moonrise: 8:03 PM
Moonset: 5:20 AM
Moon Phase:  Full
Moonphase:
Full
Wind Direction:  NNW
Direction: NNW (335°)
Speed: 12Mph(20Km, 10Kts)
Details for Saturday, May 25
Times of sun and clouds. Highs in the low 70s and lows in the upper 40s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 47%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 29%
Cloud Coverage
Sunrise: 5:50 AM
Sunset: 8:24 PM
 
Moonrise: 9:10 PM
Moonset: 6:15 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  N
Direction: N (355°)
Speed: 9Mph(15Km, 8Kts)
Details for Sunday, May 26
Times of sun and clouds. Highs in the low 70s and lows in the low 50s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 54%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 59%
Cloud Coverage
Sunrise: 5:50 AM
Sunset: 8:25 PM
 
Moonrise: 10:11 PM
Moonset: 7:17 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  NNE
Direction: NNE (28°)
Speed: 5Mph(8Km, 4Kts)
Details for Monday, May 27
Few showers. Highs in the low 70s and lows in the mid 50s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 62%
Relative Humidity
Precipitation: 30%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 48%
Cloud Coverage
Sunrise: 5:49 AM
Sunset: 8:25 PM
 
Moonrise: 11:04 PM
Moonset: 8:24 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  E
Direction: E (94°)
Speed: 6Mph(10Km, 5Kts)
Details for Tuesday, May 28
Partly cloudy with a stray thunderstorm. Highs in the upper 70s and lows in the upper 50s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 64%
Relative Humidity
Precipitation: 30%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 39%
Cloud Coverage
Sunrise: 5:49 AM
Sunset: 8:26 PM
 
Moonrise: 11:50 PM
Moonset: 9:34 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  SE
Direction: SE (129°)
Speed: 7Mph(12Km, 6Kts)
Details for Wednesday, May 29
Scattered thunderstorms. Highs in the low 80s and lows in the mid 60s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 67%
Relative Humidity
Precipitation: 60%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 71%
Cloud Coverage
Sunrise: 5:48 AM
Sunset: 8:27 PM
 
Moonrise: 11:59 PM
Moonset: 10:43 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  SSE
Direction: SSE (167°)
Speed: 8Mph(13Km, 7Kts)
Details for Thursday, May 30
Mostly Cloudy. Highs in the upper 80s and lows in the mid 60s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 64%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 52%
Cloud Coverage
Sunrise: 5:48 AM
Sunset: 8:28 PM
 
Moonrise: 12:30 AM
Moonset: 11:51 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  SSW
Direction: SSW (195°)
Speed: 8Mph(13Km, 7Kts)
Chart.
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