Potomac Falls, Virginia
Current Conditions -  °F | °C
As of 12:52 PM on Tuesday 16 Sep 2014 (Local Time) from KIAD Reporting Station
Broken Clouds Broken Clouds  
Wind Chill: 73°   Ceiling: 4600
Heat Index: 73°   Visibility: 10mi
Dew Point: 52°   Wind: 13mph
Humidity: 48%   Direction: 310°NW
Pressure: 30.04"   Gusts: 24mph
Location:  39.0512°N, 77.4089°W
Report Text: KIAD 161652Z 31011G21KT 10SM BKN046 23/11 A3004 RMK AO2 SLP169 T02280111
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Tropical Storm Tracking
Hourly Forecast -  °F | °C
Hi 75° - Lo 53°
2 PM
M Sunny
M Sunny
74°
3 PM
M Sunny
M Sunny
75°
4 PM
M Sunny
M Sunny
75°
5 PM
Sunny
Sunny
74°
6 PM
Sunny
Sunny
72°
7 PM
Sunny
Sunny
68°
Weather Maps
Daily Forecast -  °F | °C
tue wed thu fri sat sun mon tue wed thu
sep
16
M Sunny
M Sunny
75°
53°
sep
17
M Sunny
M Sunny
75°
54°
sep
18
P Cloudy
P Cloudy
75°
48°
sep
19
M Sunny
M Sunny
74°
54°
sep
20
P Cloudy
P Cloudy
80°
57°
sep
21
M Sunny
M Sunny
82°
60°
sep
22
PM T-Storms
PM T-Storms
77°
54°
sep
23
P Cloudy
P Cloudy
67°
48°
sep
24
Sunny
Sunny
67°
46°
sep
25
Sunny
Sunny
72°
47°
Details for Tuesday, September 16
Plenty of sunshine. High near 75F. Winds NNW at 5 to 10 mph.
Evening: Clear skies. Low 53F. Winds light and variable.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 52%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 22%
Cloud Coverage
Sunrise: 6:52 AM
Sunset: 7:16 PM
 
Moonrise: 12:02 AM
Moonset: 2:35 PM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  NNW
Direction: NNW (338°)
Speed: 9Mph(15Km, 11Kts)
Details for Wednesday, September 17
Sun and a few passing clouds. High near 75F. Winds light and variable.
Evening: Partly cloudy. Low 54F. Winds light and variable.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 60%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 27%
Cloud Coverage
Sunrise: 6:52 AM
Sunset: 7:15 PM
 
Moonrise: 12:53 AM
Moonset: 3:21 PM
Moon Phase:  Last Quarter
Moonphase:
Last Quarter
Wind Direction:  N
Direction: N (351°)
Speed: 4Mph(6Km, 4Kts)
Details for Thursday, September 18
Mix of sun and clouds. Highs in the mid 70s and lows in the upper 40s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 56%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 30%
Cloud Coverage
Sunrise: 6:53 AM
Sunset: 7:13 PM
 
Moonrise: 1:46 AM
Moonset: 4:01 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  N
Direction: N (353°)
Speed: 8Mph(12Km, 9Kts)
Details for Friday, September 19
Plenty of sun. Highs in the mid 70s and lows in the mid 50s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 53%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 23%
Cloud Coverage
Sunrise: 6:54 AM
Sunset: 7:11 PM
 
Moonrise: 2:39 AM
Moonset: 4:37 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  ENE
Direction: ENE (70°)
Speed: 7Mph(11Km, 8Kts)
Details for Saturday, September 20
Partly cloudy. Highs in the low 80s 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: 28%
Cloud Coverage
Sunrise: 6:55 AM
Sunset: 7:10 PM
 
Moonrise: 3:34 AM
Moonset: 5:11 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  S
Direction: S (178°)
Speed: 8Mph(12Km, 9Kts)
Details for Sunday, September 21
Plenty of sun. Highs in the low 80s and lows in the low 60s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 58%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 29%
Cloud Coverage
Sunrise: 6:56 AM
Sunset: 7:08 PM
 
Moonrise: 4:29 AM
Moonset: 5:43 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  SSW
Direction: SSW (194°)
Speed: 9Mph(14Km, 10Kts)
Details for Monday, September 22
Thunderstorms developing in the afternoon. Highs in the upper 70s and lows in the mid 50s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 62%
Relative Humidity
Precipitation: 50%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 50%
Cloud Coverage
Sunrise: 6:57 AM
Sunset: 7:07 PM
 
Moonrise: 5:25 AM
Moonset: 6:12 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  WNW
Direction: WNW (298°)
Speed: 9Mph(14Km, 10Kts)
Details for Tuesday, September 23
Times of sun and clouds. Highs in the upper 60s and lows in the upper 40s.
UV Index: 4 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 65%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 58%
Cloud Coverage
Sunrise: 6:58 AM
Sunset: 7:05 PM
 
Moonrise: 6:21 AM
Moonset: 6:42 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  NNW
Direction: NNW (344°)
Speed: 10Mph(16Km, 11Kts)
Details for Wednesday, September 24
Sunshine. Highs in the upper 60s and lows in the mid 40s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 62%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 15%
Cloud Coverage
Sunrise: 6:59 AM
Sunset: 7:03 PM
 
Moonrise: 7:18 AM
Moonset: 7:13 PM
Moon Phase:  New
Moonphase:
New
Wind Direction:  NNW
Direction: NNW (334°)
Speed: 11Mph(18Km, 13Kts)
Details for Thursday, September 25
Sunshine. Highs in the low 70s and lows in the upper 40s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 60%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 12%
Cloud Coverage
Sunrise: 7:00 AM
Sunset: 7:02 PM
 
Moonrise: 8:15 AM
Moonset: 7:46 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  N
Direction: N (355°)
Speed: 6Mph(9Km, 6Kts)
Daily Forecast Chart
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