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  • Today

    Aug 30

    Mostly sunny 87°Lo 63°
  • Wed

    Aug 31

    Very warm with clouds and sun 89°Lo 68°
    more
  • Thu

    Sep 1

    Not as warm; an a.m. t-storm 81°Lo 59°
    more
  • Fri

    Sep 2

    Partly sunny 77°Lo 57°
    more
  • Sat

    Sep 3

    Nice with plenty of sun 79°Lo 57°
    more
< Previous 8 hours Next 8 hours >
  Tue
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Forecast
Mostly Sunny
Mostly Sunny
Partly Cloudy
Partly Cloudy
Mostly Clear
Mostly Clear
Clear
Clear
Temp (°F) 85° 82° 78° 73° 71° 69° 67° 67°
RealFeel® 86° 83° 78° 73° 72° 70° 68° 68°
Humidity 48% 55% 62% 71% 82% 87% 89% 94%
   
  6pm 7pm 8pm 9pm 10pm 11pm 12am 1am
Rain
 
0%
 
0%
 
1%
 
1%
 
1%
 
1%
 
1%
 
1%
Snow
 
0%
 
0%
 
0%
 
0%
 
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Ice
 
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  6pm 7pm 8pm 9pm 10pm 11pm 12am 1am
Wind (mph) 4 NNE 4 NE 4 ENE 4 ENE 4 NE 4 NE 2 NE 2 ENE
UV Index 1 0 0 0 0 0 0 0
Cloud Cover 21% 25% 37% 33% 23% 13% 8% 7%
Dew Point 63° 65° 64° 64° 66° 65° 64° 65°
Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Aug 30

more Historical Weather Data >
  Today Normal Record 8/30/2015
High 87° 81° N/A 88°
Low 63° 65° N/A 64°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:36 AM with 13:05 of sunlight, then sets at 7:41 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:47 AM with 13:56 of moolight, then sets at 6:43 PM

Gaithersburg Weather Report

September to start on cooler, less humid note in northeastern US

August 30, 2016; 1:24 AM ET

Brief relief from heat and humidity will arrive in the northeastern United States during the first days of September. more >

FOX 5 Washington D.C. Headlines

First responders free at LEGOLAND in September

LEGOLAND Florida is dedicating the month of September to real-life heroes.

Units lost contact on street during 911 outage

William & Mary also received threats