Weather Report
Potomac Falls, Virginia
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Current Conditions -  °F | °C
As of 3:52 AM on Saturday 25 May 2013 (Local Time) from KIAD Reporting Station
Clear Clear   Feels Like: 39°
Wind Chill: 39°   Ceiling: Unl
Heat Index: 44°   Visibility: 10mi
Dew Point: 30°   Wind: 9mph
Humidity: 58%   Direction: 310° (NW)
Pressure: 30.17"   Gusts: NA
Report Text: KIAD 250752Z 31008KT 10SM CLR 07/M01 A3017 RMK AO2 SLP215 T00671011
5 AM
Clear
Clear 43°
6 AM
Sunny
Sunny 44°
7 AM
M Sunny
M Sunny 45°
Alerts
Interactive Weather Map
10 Day Forecast -  °F | °C
sat sun mon tue wed thu fri sat sun mon
may
25
M Sun/Wind
M Sun/Wind
68°
43°
may
26
Sunny
Sunny
72°
45°
may
27
M Sunny
M Sunny
76°
55°
may
28
Iso T-Storms
Iso T-Storms
76°
62°
may
29
M Cloudy
M Cloudy
89°
65°
may
30
P Cloudy
P Cloudy
89°
68°
may
31
P Cloudy
P Cloudy
88°
68°
jun
01
P Cloudy
P Cloudy
90°
69°
jun
02
Sct T-Storms
Sct T-Storms
87°
68°
jun
03
Iso T-Storms
Iso T-Storms
87°
67°
Details for Saturday, May 25
Windy with a mix of clouds and sun. High 68F. Winds NW at 15 to 25 mph.
Evening: Generally clear. Low 43F. Winds WNW at 10 to 20 mph.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 42%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 18%
Cloud Coverage
Sunrise: 5:49 AM
Sunset: 8:25 PM
 
Moonrise: 9:11 PM
Moonset: 6:14 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  NW
Direction: NW (310°)
Speed: 19Mph(31Km, 16Kts)
Details for Sunday, May 26
Sunny skies. High 72F. Winds NW at 10 to 20 mph.
Evening: Clear skies. Low around 45F. Winds NW at 5 to 10 mph.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 41%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 0%
Cloud Coverage
Sunrise: 5:49 AM
Sunset: 8:25 PM
 
Moonrise: 10:11 PM
Moonset: 7:16 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  NW
Direction: NW (307°)
Speed: 14Mph(23Km, 12Kts)
Details for Monday, May 27
Mostly sunny. Highs in the mid 70s and lows in the mid 50s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 52%
Relative Humidity
Precipitation: 30%
Probability of Precipitation
Snow: 1%
Snow
Cloud Coverage: 18%
Cloud Coverage
Sunrise: 5:48 AM
Sunset: 8:26 PM
 
Moonrise: 11:04 PM
Moonset: 8:23 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  WSW
Direction: WSW (249°)
Speed: 5Mph(8Km, 4Kts)
Details for Tuesday, May 28
Isolated thunderstorms. Highs in the mid 70s and lows in the low 60s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 68%
Relative Humidity
Precipitation: 30%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 49%
Cloud Coverage
Sunrise: 5:48 AM
Sunset: 8:27 PM
 
Moonrise: 11:50 PM
Moonset: 9:33 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  SE
Direction: SE (134°)
Speed: 7Mph(12Km, 6Kts)
Details for Wednesday, May 29
Considerable cloudiness. Highs in the upper 80s and lows in the mid 60s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 65%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 59%
Cloud Coverage
Sunrise: 5:47 AM
Sunset: 8:28 PM
 
Moonrise: 11:59 PM
Moonset: 10:43 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  SW
Direction: SW (230°)
Speed: 6Mph(10Km, 5Kts)
Details for Thursday, May 30
Mix of sun and clouds. Highs in the upper 80s and lows in the upper 60s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 64%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 60%
Cloud Coverage
Sunrise: 5:47 AM
Sunset: 8:28 PM
 
Moonrise: 12:30 AM
Moonset: 11:51 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  SW
Direction: SW (234°)
Speed: 7Mph(12Km, 6Kts)
Details for Friday, May 31
Mix of sun and clouds. Highs in the upper 80s and lows in the upper 60s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 60%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 36%
Cloud Coverage
Sunrise: 5:46 AM
Sunset: 8:29 PM
 
Moonrise: 1:05 AM
Moonset: 12:57 PM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  WSW
Direction: WSW (251°)
Speed: 6Mph(10Km, 5Kts)
Details for Saturday, June 01
Partly cloudy. Highs in the low 90s and lows in the upper 60s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 61%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 35%
Cloud Coverage
Sunrise: 5:46 AM
Sunset: 8:30 PM
 
Moonrise: 1:38 AM
Moonset: 2:00 PM
Moon Phase:  Last Quarter
Moonphase:
Last Quarter
Wind Direction:  SSW
Direction: SSW (208°)
Speed: 8Mph(13Km, 7Kts)
Details for Sunday, June 02
Scattered thunderstorms. Highs in the upper 80s and lows in the upper 60s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 64%
Relative Humidity
Precipitation: 40%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 77%
Cloud Coverage
Sunrise: 5:46 AM
Sunset: 8:31 PM
 
Moonrise: 2:09 AM
Moonset: 3:01 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  SSW
Direction: SSW (208°)
Speed: 8Mph(13Km, 7Kts)
Details for Monday, June 03
Partly cloudy with a stray thunderstorm. Highs in the upper 80s and lows in the upper 60s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 62%
Relative Humidity
Precipitation: 30%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 34%
Cloud Coverage
Sunrise: 5:45 AM
Sunset: 8:31 PM
 
Moonrise: 2:40 AM
Moonset: 4:02 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  SE
Direction: SE (132°)
Speed: 6Mph(10Km, 5Kts)
Chart.
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