• Today

    Sep 19

    73°Lo 57°

    Nice with clouds and sun

    Excellent for running
    • Precip
      4%
    • Hours of Precip
      0
    • Wind
      Gust
      13 mph
    more
  • Sat

    Sep 20

    80°Lo 59°

    Intervals of clouds and sun

    Excellent for running
    • Precip
      3%
    • Hours of Precip
      0
    • Wind
      Gust
      10 mph
    more
  • Sun

    Sep 21

    84°Lo 57°

    A late day or evening t-storm

    Very Good for running
    • Precip
      57%
    • Hours of Precip
      1.5
    • Wind
      Gust
      9 mph
  • Mon

    Sep 22

    71°Lo 48°

    Partly sunny and not as warm

    Very Good for running
    • Precip
      6%
    • Hours of Precip
      0
    • Wind
      Gust
      30 mph
    more
  • Tue

    Sep 23

    73°Lo 53°

    Mostly sunny

    Excellent for running
    • Precip
      6%
    • Hours of Precip
      0
    • Wind
      Gust
      8 mph
    more
Next Previous
Partly cloudy 64° Lo 57° RealFeel® 60° / 52°

N

E

S

W

  • Precipitation: 25%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 84%
  • Cloud Cover: 20%
  • Dew Point: 55° F
  • Visibility: 10 mi
7 mph

Temperature History - Sep 21

more Historical Weather Data >
  Today Normal Record 9/21/2013
High 84° 78° 96° (1895) 80°
Low 57° 60° 41° (1956) 64°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:55 AM with 12:13 of sunlight, then sets at 7:08 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:28 AM with 13:14 of moolight, then sets at 5:42 PM

Top Story

Rockville Weather Report

DC: September Temperature Roller Coaster to Continue

September 19, 2014; 12:00 PM ET

In keeping with tradition, temperatures will continue their up-and-down cycle during the second half of September around Washington, D.C. more >

Avoid the Winter Workout Blues

Dec 26, 2012; 5:00 AM ET When it's snowing or cold, most of us want nothing more than to keep warm on the couch. But Violeta Yas has some tips to help you sneak in mini workouts at the office, regardless of the weather.