Manassas, Virginia
Current Conditions -  °F | °C
As of 12:35 AM on Wednesday 20 Aug 2014 (Local Time) from KHEF Reporting Station
Scattered Clouds Scattered Clouds  
Wind Chill: 72°   Ceiling: Unl
Heat Index: 72°   Visibility: 10mi
Dew Point: 72°   Wind: 0mph
Humidity: 100%   Direction: NA
Pressure: 29.93"   Gusts: NA
Location:  38.75°N, 77.47°W
Report Text: KHEF 200435Z 00000KT 10SM FEW021 SCT027 22/22 A2993 RMK AO1
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Tropical Storm Tracking
Hourly Forecast -  °F | °C
Hi 84° - Lo 66°
1 AM
Clear
Clear
70°
2 AM
Clear
Clear
70°
3 AM
Clear
Clear
69°
4 AM
Clear
Clear
68°
5 AM
Clear
Clear
67°
6 AM
M Clear
M Clear
67°
Weather Maps
Daily Forecast -  °F | °C
tue wed thu fri sat sun mon tue wed thu
aug
19
Clear
Clear
84°
66°
aug
20
P Cloudy
P Cloudy
88°
68°
aug
21
PM T-Storms
PM T-Storms
89°
70°
aug
22
Sct T-Storms
Sct T-Storms
84°
67°
aug
23
Showers
Showers
78°
65°
aug
24
Sct T-Storms
Sct T-Storms
75°
62°
aug
25
AM T-Storms
AM T-Storms
81°
65°
aug
26
P Cloudy
P Cloudy
84°
66°
aug
27
M Sunny
M Sunny
87°
67°
aug
28
P Cloudy
P Cloudy
87°
66°
Details for Tuesday, August 19 (Evening)
Evening: A clear sky. Low 66F. Winds light and variable.
UV Index: 0 (Low)
Ultraviolet Radiation Index
Relative Humidity: 99%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 18%
Cloud Coverage
Sunrise: 6:27 AM
Sunset: 7:59 PM
 
Moonrise: 1:19 AM
Moonset: 3:52 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  N
Direction: N (360°)
Speed: 0Mph(0Km, 0Kts)
Details for Wednesday, August 20
Intervals of clouds and sunshine. High 88F. Winds SSE at 5 to 10 mph.
Evening: Scattered thunderstorms. Low 68F. Winds light and variable. Chance of rain 40%.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 69%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 36%
Cloud Coverage
Sunrise: 6:28 AM
Sunset: 7:57 PM
 
Moonrise: 2:07 AM
Moonset: 4:39 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  SSE
Direction: SSE (150°)
Speed: 8Mph(13Km, 9Kts)
Details for Thursday, August 21
Afternoon showers and thunderstorms. Highs in the upper 80s and lows in the low 70s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 70%
Relative Humidity
Precipitation: 40%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 39%
Cloud Coverage
Sunrise: 6:29 AM
Sunset: 7:56 PM
 
Moonrise: 2:59 AM
Moonset: 5:22 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  W
Direction: W (268°)
Speed: 5Mph(8Km, 6Kts)
Details for Friday, August 22
Scattered thunderstorms possible. Highs in the mid 80s and lows in the upper 60s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 78%
Relative Humidity
Precipitation: 50%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 71%
Cloud Coverage
Sunrise: 6:30 AM
Sunset: 7:55 PM
 
Moonrise: 3:52 AM
Moonset: 6:01 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  NE
Direction: NE (50°)
Speed: 6Mph(10Km, 7Kts)
Details for Saturday, August 23
Chance of showers. Highs in the upper 70s and lows in the mid 60s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 87%
Relative Humidity
Precipitation: 60%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 86%
Cloud Coverage
Sunrise: 6:30 AM
Sunset: 7:53 PM
 
Moonrise: 4:46 AM
Moonset: 6:36 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  ENE
Direction: ENE (72°)
Speed: 7Mph(11Km, 8Kts)
Details for Sunday, August 24
Scattered thunderstorms. Highs in the mid 70s and lows in the low 60s.
UV Index: 4 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 84%
Relative Humidity
Precipitation: 40%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 91%
Cloud Coverage
Sunrise: 6:31 AM
Sunset: 7:52 PM
 
Moonrise: 5:41 AM
Moonset: 7:09 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  E
Direction: E (99°)
Speed: 7Mph(11Km, 8Kts)
Details for Monday, August 25
Morning showers and thunderstorms. Highs in the low 80s and lows in the mid 60s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 83%
Relative Humidity
Precipitation: 40%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 69%
Cloud Coverage
Sunrise: 6:32 AM
Sunset: 7:50 PM
 
Moonrise: 6:36 AM
Moonset: 7:40 PM
Moon Phase:  New
Moonphase:
New
Wind Direction:  E
Direction: E (95°)
Speed: 7Mph(11Km, 8Kts)
Details for Tuesday, August 26
Times of sun and clouds. Highs in the mid 80s and lows in the mid 60s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 80%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 35%
Cloud Coverage
Sunrise: 6:33 AM
Sunset: 7:49 PM
 
Moonrise: 7:32 AM
Moonset: 8:10 PM
Moon Phase:  New
Moonphase:
New
Wind Direction:  SE
Direction: SE (141°)
Speed: 7Mph(11Km, 8Kts)
Details for Wednesday, August 27
Plenty of sun. Highs in the upper 80s and lows in the upper 60s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 78%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 28%
Cloud Coverage
Sunrise: 6:34 AM
Sunset: 7:47 PM
 
Moonrise: 8:27 AM
Moonset: 8:40 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  S
Direction: S (182°)
Speed: 6Mph(9Km, 7Kts)
Details for Thursday, August 28
Times of sun and clouds. Highs in the upper 80s and lows in the mid 60s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 75%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 39%
Cloud Coverage
Sunrise: 6:35 AM
Sunset: 7:46 PM
 
Moonrise: 9:24 AM
Moonset: 9:11 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  W
Direction: W (260°)
Speed: 7Mph(11Km, 8Kts)
Daily Forecast Chart
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