• Today

    Sep 18

    75°Lo 51°

    Partly sunny and pleasant

    Excellent for running
    • Precip
      25%
    • Hours of Precip
      0
    • Wind
      Gust
      10 mph
  • Fri

    Sep 19

    72°Lo 56°

    Fog in the a.m.; partly sunny

    Excellent for running
    • Precip
      7%
    • Hours of Precip
      0
    • Wind
      Gust
      10 mph
    more
  • Sat

    Sep 20

    78°Lo 58°

    Intervals of clouds and sun

    Excellent for running
    • Precip
      8%
    • Hours of Precip
      0
    • Wind
      Gust
      10 mph
    more
  • Sun

    Sep 21

    83°Lo 59°

    An afternoon thunderstorm

    Excellent for running
    • Precip
      55%
    • Hours of Precip
      2
    • Wind
      Gust
      8 mph
    more
  • Mon

    Sep 22

    74°Lo 49°

    Times of clouds and sun

    Very Good for running
    • Precip
      25%
    • Hours of Precip
      0
    • Wind
      Gust
      12 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
3pm
4pm 5pm 6pm 7pm 8pm 9pm 10pm
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Forecast
Partly Cloudy
Partly Cloudy
Partly Sunny
Partly Sunny
Partly Sunny
Mostly Clear
Mostly Clear
Mostly Clear
Temp (°F) 75° 74° 73° 70° 68° 64° 61° 59°
RealFeel® 77° 74° 71° 67° 64° 62° 60° 58°
Humidity 49% 49% 51% 56% 62% 71% 77% 81%
   
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
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  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Wind (mph) 5 NNW 4 NNW 4 NNW 4 NNW 3 N 2 N 2 NNE 2 NNE
UV Index 3 2 1 0 0 0 0 0
Cloud Cover 59% 50% 47% 47% 49% 26% 26% 26%
Dew Point 55° 54° 54° 54° 55° 54° 53° 53°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Sep 18

more Historical Weather Data >
  Today Normal Record 9/18/2013
High 75° 79° 91° (1978) 71°
Low 51° 56° 37° (1990) 40°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:53 AM with 12:20 of sunlight, then sets at 7:13 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:45 AM with 14:15 of moolight, then sets at 4:00 PM

Top Story

Gaithersburg Weather Report

DC: Remainder of Week to Be Dry, Cool

September 18, 2014; 7:11 AM ET

Rainfall will be scarce around Washington, D.C., this week, but cool air will be plentiful. more >

Avoid the Winter Workout Blues

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