Vienna, Virginia
Current Conditions -  °F | °C
As of 6:52 AM on Saturday 26 Jul 2014 (Local Time) from KIAD Reporting Station
Overcast Overcast  
Wind Chill: 67°   Ceiling: 4100
Heat Index: 67°   Visibility: 10mi
Dew Point: 63°   Wind: 6mph
Humidity: 87%   Direction: 190°S
Pressure: 30"   Gusts: NA
Location:  38.9°N, 77.26°W
Report Text: KIAD 261052Z 19005KT 10SM BKN041 OVC075 19/17 A3000 RMK AO2 SLP156 T01940172
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Tropical Storm Tracking
Hourly Forecast -  °F | °C
Hi 88° - Lo 71°
8 AM
M Cloudy
M Cloudy
70°
9 AM
M Cloudy
M Cloudy
72°
10 AM
P Cloudy
P Cloudy
75°
11 AM
P Cloudy
P Cloudy
78°
12 PM
P Cloudy
P Cloudy
80°
1 PM
P Cloudy
P Cloudy
82°
Weather Maps
Daily Forecast -  °F | °C
sat sun mon tue wed thu fri sat sun mon
jul
26
P Cloudy
P Cloudy
88°
71°
jul
27
Sct T-Storms
Sct T-Storms
82°
68°
jul
28
Iso T-Storms
Iso T-Storms
84°
61°
jul
29
P Cloudy
P Cloudy
78°
59°
jul
30
M Sunny
M Sunny
81°
59°
jul
31
P Cloudy
P Cloudy
85°
61°
aug
01
P Cloudy
P Cloudy
84°
63°
aug
02
P Cloudy
P Cloudy
81°
63°
aug
03
Rain
Rain
78°
67°
aug
04
Sct Showers
Sct Showers
81°
66°
Details for Saturday, July 26
Sunshine and clouds mixed. A stray afternoon thunderstorm is possible. High 88F. Winds SSW at 5 to 10 mph.
Evening: A few clouds. Low 71F. Winds S at 5 to 10 mph.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 65%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 56%
Cloud Coverage
Sunrise: 6:05 AM
Sunset: 8:26 PM
 
Moonrise: 5:55 AM
Moonset: 8:00 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  SSW
Direction: SSW (199°)
Speed: 6Mph(10Km, 5Kts)
Details for Sunday, July 27
Partly to mostly cloudy with a chance of thunderstorms. A few storms may be severe. High 82F. Winds SW at 5 to 10 mph. Chance of rain 50%.
Evening: Scattered thunderstorms, especially in the evening. A few storms may be severe. Low 68F. Winds SW at 5 to 10 mph. Chance of rain 40%.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 78%
Relative Humidity
Precipitation: 50%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 80%
Cloud Coverage
Sunrise: 6:06 AM
Sunset: 8:25 PM
 
Moonrise: 6:50 AM
Moonset: 8:35 PM
Moon Phase:  New
Moonphase:
New
Wind Direction:  SW
Direction: SW (222°)
Speed: 9Mph(15Km, 8Kts)
Details for Monday, July 28
Slight chance of a thunderstorm. Highs in the mid 80s and lows in the low 60s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 65%
Relative Humidity
Precipitation: 30%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 39%
Cloud Coverage
Sunrise: 6:07 AM
Sunset: 8:24 PM
 
Moonrise: 7:45 AM
Moonset: 9:07 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  W
Direction: W (267°)
Speed: 16Mph(26Km, 14Kts)
Details for Tuesday, July 29
Times of sun and clouds. Highs in the upper 70s and lows in the upper 50s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 56%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 18%
Cloud Coverage
Sunrise: 6:08 AM
Sunset: 8:23 PM
 
Moonrise: 8:40 AM
Moonset: 9:37 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  NW
Direction: NW (324°)
Speed: 9Mph(15Km, 8Kts)
Details for Wednesday, July 30
More sun than clouds. Highs in the low 80s and lows in the upper 50s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 57%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 11%
Cloud Coverage
Sunrise: 6:08 AM
Sunset: 8:22 PM
 
Moonrise: 9:36 AM
Moonset: 10:06 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  NNW
Direction: NNW (335°)
Speed: 5Mph(8Km, 4Kts)
Details for Thursday, July 31
Partly cloudy. Highs in the mid 80s and lows in the low 60s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 60%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 22%
Cloud Coverage
Sunrise: 6:09 AM
Sunset: 8:21 PM
 
Moonrise: 10:32 AM
Moonset: 10:36 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  ENE
Direction: ENE (63°)
Speed: 6Mph(10Km, 5Kts)
Details for Friday, August 01
Times of sun and clouds. Highs in the mid 80s and lows in the low 60s.
UV Index: 10 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 61%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 29%
Cloud Coverage
Sunrise: 6:10 AM
Sunset: 8:20 PM
 
Moonrise: 11:28 AM
Moonset: 11:07 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  SSE
Direction: SSE (156°)
Speed: 7Mph(12Km, 6Kts)
Details for Saturday, August 02
Mix of sun and clouds. Highs in the low 80s and lows in the low 60s.
UV Index: 10 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 68%
Relative Humidity
Precipitation: 30%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 40%
Cloud Coverage
Sunrise: 6:11 AM
Sunset: 8:19 PM
 
Moonrise: 12:26 PM
Moonset: 11:40 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  E
Direction: E (96°)
Speed: 8Mph(13Km, 7Kts)
Details for Sunday, August 03
Mainly cloudy and rainy. Highs in the upper 70s and lows in the upper 60s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 80%
Relative Humidity
Precipitation: 80%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 75%
Cloud Coverage
Sunrise: 6:12 AM
Sunset: 8:18 PM
 
Moonrise: 1:26 PM
Moonset: 12:01 AM
Moon Phase:  First Quarter
Moonphase:
First Quarter
Wind Direction:  ESE
Direction: ESE (122°)
Speed: 6Mph(10Km, 5Kts)
Details for Monday, August 04
Chance of showers. Highs in the low 80s and lows in the mid 60s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 74%
Relative Humidity
Precipitation: 40%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 69%
Cloud Coverage
Sunrise: 6:13 AM
Sunset: 8:17 PM
 
Moonrise: 2:27 PM
Moonset: 12:17 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  SSW
Direction: SSW (195°)
Speed: 6Mph(10Km, 5Kts)
Daily Forecast Chart
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