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Next 5 Days
  • Tonight

    Aug 20

    An evening shower or t-storm Lo 65°
  • Thu

    Aug 21

    Couple of showers, t-storms 88°Lo 67°
    more
  • Fri

    Aug 22

    A couple of thunderstorms 84°Lo 68°
    more
  • Sat

    Aug 23

    A shower or two; not as warm 78°Lo 66°
    more
  • Sun

    Aug 24

    Times of clouds and sun 78°Lo 62°
    more
Next 8 hours >
  Wed
12am
1am 2am 3am 4am 5am 6am 7am
  12am 1am 2am 3am 4am 5am 6am 7am
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Partly Cloudy
Cloudy
Mostly Cloudy
Mostly Cloudy
Temp (°F) 70° 69° 68° 69° 67° 66° 66° 67°
RealFeel® 69° 68° 67° 67° 66° 65° 64° 65°
Humidity 85% 88% 89% 86% 88% 90% 89% 93%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Rain
 
0%
 
2%
 
11%
 
11%
 
10%
 
8%
 
8%
 
7%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Wind (mph) 3 SE 3 SE 2 SE 2 N 2 SSE 2 SE 2 N 2 N
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 52% 71% 71% 57% 38% 63% 82% 84%
Dew Point 66° 66° 65° 64° 64° 63° 63° 65°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Aug 20

more Historical Weather Data >
  Today Normal Record 8/20/2013
High 84° 86° 101° (1983) 89°
Low 65° 70° 50° (1896) 69°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:26 AM with 13:31 of sunlight, then sets at 7:57 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:06 AM with 14:33 of moolight, then sets at 4:39 PM

Top Story

Rockville Weather Report

DC: Downpour, Flooding Risk to Increase

August 20, 2014; 12:00 PM ET

A wedge of dry air will slowly erode at midweek and will allow drenching showers and thunderstorms to survive the trip into Washington, D.C., from the Midwest. more >

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