Potomac Falls, Virginia
Current Conditions -  °F | °C
As of 3:52 AM on Monday 01 Sep 2014 (Local Time) from KIAD Reporting Station
Broken Clouds Broken Clouds  
Wind Chill: 72°   Ceiling: 14000
Heat Index: 72°   Visibility: 10mi
Dew Point: 71°   Wind: 0mph
Humidity: 97%   Direction: NA
Pressure: 30.02"   Gusts: NA
Location:  39.0512°N, 77.4089°W
Report Text: KIAD 010752Z 00000KT 10SM FEW075 SCT110 BKN140 22/22 A3002 RMK AO2 SLP160 T02220217
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Personal Weather Stations






























Hourly Forecast -  °F | °C
Hi 90° - Lo 70°
5 AM
Sct T-Storms
Sct T-Storms
73°
6 AM
Iso T-Storms
Iso T-Storms
73°
7 AM
Sct T-Storms
Sct T-Storms
72°
8 AM
Iso T-Storms
Iso T-Storms
72°
9 AM
Iso T-Storms
Iso T-Storms
73°
10 AM
Cloudy
Cloudy
75°
Weather Maps
Daily Forecast -  °F | °C
mon tue wed thu fri sat sun mon tue wed
sep
01
Sct T-Storms
Sct T-Storms
90°
70°
sep
02
M Sunny
M Sunny
95°
71°
sep
03
P Cloudy
P Cloudy
89°
66°
sep
04
M Sunny
M Sunny
91°
68°
sep
05
M Sunny
M Sunny
92°
71°
sep
06
PM T-Storms
PM T-Storms
88°
64°
sep
07
Showers
Showers
81°
61°
sep
08
AM Showers
AM Showers
78°
60°
sep
09
M Cloudy
M Cloudy
78°
61°
sep
10
M Cloudy
M Cloudy
80°
62°
Details for Monday, September 01
Partly to mostly cloudy with a chance of thunderstorms. High around 90F. Winds WSW at 5 to 10 mph. Chance of rain 40%.
Evening: Clear to partly cloudy. Low near 70F. Winds light and variable.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 77%
Relative Humidity
Precipitation: 40%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 66%
Cloud Coverage
Sunrise: 6:38 AM
Sunset: 7:40 PM
 
Moonrise: 1:18 PM
Moonset: 11:42 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  WSW
Direction: WSW (241°)
Speed: 7Mph(12Km, 8Kts)
Details for Tuesday, September 02
Except for a few afternoon clouds, mainly sunny. A stray afternoon thunderstorm is possible. High near 95F. Winds SW at 5 to 10 mph.
Evening: Partly cloudy. Low 71F. Winds WNW at 5 to 10 mph.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 64%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 26%
Cloud Coverage
Sunrise: 6:39 AM
Sunset: 7:39 PM
 
Moonrise: 2:17 PM
Moonset: 12:01 AM
Moon Phase:  First Quarter
Moonphase:
First Quarter
Wind Direction:  SW
Direction: SW (235°)
Speed: 10Mph(15Km, 11Kts)
Details for Wednesday, September 03
Mix 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: 61%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 23%
Cloud Coverage
Sunrise: 6:40 AM
Sunset: 7:37 PM
 
Moonrise: 3:15 PM
Moonset: 12:33 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  NNW
Direction: NNW (336°)
Speed: 7Mph(11Km, 8Kts)
Details for Thursday, September 04
Plenty of sun. Highs in the low 90s and lows in the upper 60s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 55%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 28%
Cloud Coverage
Sunrise: 6:41 AM
Sunset: 7:36 PM
 
Moonrise: 4:09 PM
Moonset: 1:31 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  SE
Direction: SE (140°)
Speed: 5Mph(8Km, 6Kts)
Details for Friday, September 05
More sun than clouds. Highs in the low 90s and lows in the low 70s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 68%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 14%
Cloud Coverage
Sunrise: 6:42 AM
Sunset: 7:34 PM
 
Moonrise: 4:59 PM
Moonset: 2:35 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  S
Direction: S (188°)
Speed: 7Mph(12Km, 9Kts)
Details for Saturday, September 06
Afternoon showers and thunderstorms. 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: 60%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 31%
Cloud Coverage
Sunrise: 6:43 AM
Sunset: 7:32 PM
 
Moonrise: 5:46 PM
Moonset: 3:44 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  WNW
Direction: WNW (293°)
Speed: 7Mph(12Km, 8Kts)
Details for Sunday, September 07
Showers possible. Highs in the low 80s and lows in the low 60s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 66%
Relative Humidity
Precipitation: 40%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 76%
Cloud Coverage
Sunrise: 6:43 AM
Sunset: 7:31 PM
 
Moonrise: 6:28 PM
Moonset: 4:55 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  NNE
Direction: NNE (16°)
Speed: 6Mph(10Km, 7Kts)
Details for Monday, September 08
Morning showers. Highs in the upper 70s and lows in the low 60s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 72%
Relative Humidity
Precipitation: 50%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 49%
Cloud Coverage
Sunrise: 6:44 AM
Sunset: 7:29 PM
 
Moonrise: 7:08 PM
Moonset: 6:08 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  ENE
Direction: ENE (61°)
Speed: 8Mph(13Km, 9Kts)
Details for Tuesday, September 09
Mostly cloudy. Highs in the upper 70s and lows in the low 60s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 71%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 77%
Cloud Coverage
Sunrise: 6:45 AM
Sunset: 7:28 PM
 
Moonrise: 7:47 PM
Moonset: 7:21 AM
Moon Phase:  Full
Moonphase:
Full
Wind Direction:  E
Direction: E (81°)
Speed: 8Mph(13Km, 10Kts)
Details for Wednesday, September 10
More clouds than sun. Highs in the low 80s and lows in the low 60s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 74%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 64%
Cloud Coverage
Sunrise: 6:46 AM
Sunset: 7:26 PM
 
Moonrise: 8:25 PM
Moonset: 8:32 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  SSE
Direction: SSE (149°)
Speed: 9Mph(15Km, 10Kts)
Daily Forecast Chart
Chart.
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