Potomac, Virginia
Current Conditions -  °F | °C
As of 10:52 PM on Tuesday 22 Jul 2014 (Local Time) from KDCA Reporting Station
Clear Clear  
Wind Chill: 79°   Ceiling: Unl
Heat Index: 81°   Visibility: 10mi
Dew Point: 67°   Wind: 9mph
Humidity: 66%   Direction: 170°S
Pressure: 30.09"   Gusts: NA
Location:  38.8194°N, 77.0596°W
Report Text: KDCA 230252Z 17008KT 10SM CLR 26/19 A3009 RMK AO2 SLP189 T02610194 50002
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Tropical Storm Tracking
Hourly Forecast -  °F | °C
Hi 84° - Lo 71°
12 AM
M Clear
M Clear
75°
1 AM
M Clear
M Clear
74°
2 AM
P Cloudy
P Cloudy
73°
3 AM
P Cloudy
P Cloudy
73°
4 AM
M Clear
M Clear
72°
5 AM
M Clear
M Clear
72°
Weather Maps
Daily Forecast -  °F | °C
tue wed thu fri sat sun mon tue wed thu
jul
22
M Clear
M Clear
84°
71°
jul
23
Iso T-Storms
Iso T-Storms
95°
71°
jul
24
AM T-Storms
AM T-Storms
80°
63°
jul
25
M Sunny
M Sunny
84°
66°
jul
26
P Cloudy
P Cloudy
90°
70°
jul
27
Sct T-Storms
Sct T-Storms
91°
69°
jul
28
Sct T-Storms
Sct T-Storms
87°
63°
jul
29
M Sunny
M Sunny
82°
62°
jul
30
P Cloudy
P Cloudy
83°
64°
jul
31
P Cloudy
P Cloudy
82°
66°
Details for Tuesday, July 22 (Evening)
Evening: Mostly clear. Low 71F. Winds light and variable.
UV Index: 10 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 88%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 27%
Cloud Coverage
Sunrise: 6:01 AM
Sunset: 8:28 PM
 
Moonrise: 2:33 AM
Moonset: 5:04 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  S
Direction: S (184°)
Speed: 5Mph(8Km, 4Kts)
Details for Wednesday, July 23
A few isolated thunderstorms developing during the afternoon. Hot. High around 95F. Winds SSW at 5 to 10 mph. Chance of rain 30%.
Evening: Variable clouds with scattered thunderstorms. Low 71F. Winds WNW at 5 to 10 mph. Chance of rain 40%.
UV Index: 10 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 62%
Relative Humidity
Precipitation: 40%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 16%
Cloud Coverage
Sunrise: 6:02 AM
Sunset: 8:27 PM
 
Moonrise: 3:19 AM
Moonset: 5:55 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  SSW
Direction: SSW (213°)
Speed: 8Mph(13Km, 7Kts)
Details for Thursday, July 24
Thunderstorms early. Highs in the low 80s and lows in the low 60s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 71%
Relative Humidity
Precipitation: 40%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 64%
Cloud Coverage
Sunrise: 6:03 AM
Sunset: 8:27 PM
 
Moonrise: 4:09 AM
Moonset: 6:41 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  NNW
Direction: NNW (347°)
Speed: 8Mph(13Km, 7Kts)
Details for Friday, July 25
More sun than clouds. Highs in the mid 80s and lows in the mid 60s.
UV Index: 10 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 54%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 11%
Cloud Coverage
Sunrise: 6:04 AM
Sunset: 8:26 PM
 
Moonrise: 5:01 AM
Moonset: 7:22 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  WNW
Direction: WNW (297°)
Speed: 6Mph(10Km, 5Kts)
Details for Saturday, July 26
Mix of sun and clouds. Highs in the low 90s and lows in the low 70s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 61%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 52%
Cloud Coverage
Sunrise: 6:04 AM
Sunset: 8:25 PM
 
Moonrise: 5:55 AM
Moonset: 8:00 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  SSW
Direction: SSW (204°)
Speed: 7Mph(12Km, 6Kts)
Details for Sunday, July 27
Scattered thunderstorms possible. Highs in the low 90s and lows in the upper 60s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 70%
Relative Humidity
Precipitation: 60%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 62%
Cloud Coverage
Sunrise: 6:05 AM
Sunset: 8:24 PM
 
Moonrise: 6:49 AM
Moonset: 8:34 PM
Moon Phase:  New
Moonphase:
New
Wind Direction:  SW
Direction: SW (234°)
Speed: 9Mph(15Km, 8Kts)
Details for Monday, July 28
Scattered thunderstorms possible. Highs in the upper 80s and lows in the low 60s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 72%
Relative Humidity
Precipitation: 60%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 56%
Cloud Coverage
Sunrise: 6:06 AM
Sunset: 8:23 PM
 
Moonrise: 7:44 AM
Moonset: 9:06 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  SW
Direction: SW (217°)
Speed: 10Mph(16Km, 9Kts)
Details for Tuesday, July 29
More sun than clouds. Highs in the low 80s and lows in the low 60s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 61%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 22%
Cloud Coverage
Sunrise: 6:07 AM
Sunset: 8:22 PM
 
Moonrise: 8:40 AM
Moonset: 9:36 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  WNW
Direction: WNW (296°)
Speed: 7Mph(12Km, 6Kts)
Details for Wednesday, July 30
Times of sun and clouds. Highs in the low 80s and lows in the mid 60s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 60%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 45%
Cloud Coverage
Sunrise: 6:08 AM
Sunset: 8:21 PM
 
Moonrise: 9:35 AM
Moonset: 10:05 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  E
Direction: E (96°)
Speed: 5Mph(8Km, 4Kts)
Details for Thursday, July 31
Partly cloudy. Highs in the low 80s and lows in the mid 60s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 69%
Relative Humidity
Precipitation: 60%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 36%
Cloud Coverage
Sunrise: 6:09 AM
Sunset: 8:20 PM
 
Moonrise: 10:31 AM
Moonset: 10:35 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  ESE
Direction: ESE (102°)
Speed: 6Mph(10Km, 5Kts)
Daily Forecast Chart
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