Vienna, Virginia
Current Conditions -  °F | °C
As of 6:52 PM on Tuesday 16 Sep 2014 (Local Time) from KIAD Reporting Station
Few Clouds Few Clouds  
Wind Chill: 70°   Ceiling: Unl
Heat Index: 70°   Visibility: 10mi
Dew Point: 49°   Wind: 10mph
Humidity: 47%   Direction: 10°N
Pressure: 30.01"   Gusts: NA
Location:  38.9°N, 77.26°W
Report Text: KIAD 162252Z 01009KT 10SM FEW070 21/09 A3001 RMK AO2 SLP159 T02110094
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Tropical Storm Tracking
Hourly Forecast -  °F | °C
Hi 74° - Lo 55°
8 PM
Clear
Clear
69°
9 PM
Clear
Clear
65°
10 PM
Clear
Clear
63°
11 PM
Clear
Clear
62°
12 AM
Clear
Clear
61°
1 AM
Clear
Clear
59°
Weather Maps
Daily Forecast -  °F | °C
tue wed thu fri sat sun mon tue wed thu
sep
16
Clear
Clear
74°
55°
sep
17
M Sunny
M Sunny
75°
57°
sep
18
Sunny
Sunny
74°
53°
sep
19
M Sunny
M Sunny
74°
54°
sep
20
M Sunny
M Sunny
78°
58°
sep
21
M Sunny
M Sunny
85°
63°
sep
22
Sunny
Sunny
76°
56°
sep
23
P Cloudy
P Cloudy
71°
50°
sep
24
AM Showers
AM Showers
67°
47°
sep
25
Sunny
Sunny
70°
48°
Details for Tuesday, September 16 (Evening)
Evening: A clear sky. Low around 55F. Winds N at 5 to 10 mph.
UV Index: 0 (Low)
Ultraviolet Radiation Index
Relative Humidity: 50%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 7%
Cloud Coverage
Sunrise: 6:51 AM
Sunset: 7:16 PM
 
Moonrise: 12:02 AM
Moonset: 2:34 PM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  N
Direction: N (354°)
Speed: 8Mph(12Km, 9Kts)
Details for Wednesday, September 17
Plentiful sunshine. High around 75F. Winds light and variable.
Evening: Partly cloudy skies. Low 57F. Winds light and variable.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 62%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 15%
Cloud Coverage
Sunrise: 6:52 AM
Sunset: 7:14 PM
 
Moonrise: 12:53 AM
Moonset: 3:19 PM
Moon Phase:  Last Quarter
Moonphase:
Last Quarter
Wind Direction:  NE
Direction: NE (36°)
Speed: 4Mph(7Km, 5Kts)
Details for Thursday, September 18
Mainly sunny. Highs in the mid 70s and lows in the low 50s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 62%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 16%
Cloud Coverage
Sunrise: 6:53 AM
Sunset: 7:12 PM
 
Moonrise: 1:45 AM
Moonset: 4:00 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  NNW
Direction: NNW (345°)
Speed: 7Mph(12Km, 9Kts)
Details for Friday, September 19
More sun than clouds. Highs in the mid 70s and lows in the mid 50s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 58%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 20%
Cloud Coverage
Sunrise: 6:54 AM
Sunset: 7:11 PM
 
Moonrise: 2:39 AM
Moonset: 4:36 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  ENE
Direction: ENE (60°)
Speed: 7Mph(12Km, 9Kts)
Details for Saturday, September 20
More sun than clouds. Highs in the upper 70s and lows in the upper 50s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 67%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 24%
Cloud Coverage
Sunrise: 6:55 AM
Sunset: 7:09 PM
 
Moonrise: 3:34 AM
Moonset: 5:10 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  S
Direction: S (189°)
Speed: 8Mph(12Km, 9Kts)
Details for Sunday, September 21
A few clouds. Highs in the mid 80s and lows in the low 60s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 60%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 29%
Cloud Coverage
Sunrise: 6:55 AM
Sunset: 7:07 PM
 
Moonrise: 4:29 AM
Moonset: 5:42 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  SSW
Direction: SSW (211°)
Speed: 9Mph(14Km, 10Kts)
Details for Monday, September 22
Mainly sunny. Highs in the mid 70s and lows in the mid 50s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 56%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 17%
Cloud Coverage
Sunrise: 6:56 AM
Sunset: 7:06 PM
 
Moonrise: 5:24 AM
Moonset: 6:12 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  NW
Direction: NW (319°)
Speed: 9Mph(14Km, 10Kts)
Details for Tuesday, September 23
Mix of sun and clouds. Highs in the low 70s and lows in the low 50s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 60%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 47%
Cloud Coverage
Sunrise: 6:57 AM
Sunset: 7:04 PM
 
Moonrise: 6:20 AM
Moonset: 6:42 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  NNE
Direction: NNE (14°)
Speed: 9Mph(14Km, 10Kts)
Details for Wednesday, September 24
Morning showers. Highs in the upper 60s and lows in the upper 40s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 62%
Relative Humidity
Precipitation: 50%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 55%
Cloud Coverage
Sunrise: 6:58 AM
Sunset: 7:03 PM
 
Moonrise: 7:17 AM
Moonset: 7:13 PM
Moon Phase:  New
Moonphase:
New
Wind Direction:  N
Direction: N (8°)
Speed: 9Mph(14Km, 10Kts)
Details for Thursday, September 25
Sunny. Highs in the low 70s and lows in the upper 40s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 58%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 7%
Cloud Coverage
Sunrise: 6:59 AM
Sunset: 7:01 PM
 
Moonrise: 8:14 AM
Moonset: 7:45 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  N
Direction: N (1°)
Speed: 7Mph(11Km, 8Kts)
Daily Forecast Chart
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