• Today

    Dec 21

    42°Lo 28°

    Clouds giving way to some sun

    Good for running
    • Precip
      1%
    • Hours of Precip
      0
    • Wind
      Gust
      5 mph
  • Mon

    Dec 22

    40°Lo 35°

    A little afternoon rain

    Fair for running
    • Precip
      56%
    • Hours of Precip
      3
    • Wind
      Gust
      6 mph
    more
  • Tue

    Dec 23

    49°Lo 46°

    Rather cloudy with mist

    Fair for running
    • Precip
      56%
    • Hours of Precip
      9
    • Wind
      Gust
      5 mph
    more
  • Wed

    Dec 24

    63°Lo 48°

    Rain and a t-storm; warmer

    Poor for running
    • Precip
      75%
    • Hours of Precip
      8
    • Wind
      Gust
      39 mph
    more
  • Thu

    Dec 25

    54°Lo 35°

    Partly sunny and breezy

    Fair for running
    • Precip
      20%
    • Hours of Precip
      0
    • Wind
      Gust
      32 mph
    more
Next Previous
Hi 42° RealFeel® 46° Precipitation 1%

Day

N

E

S

W

  • NNW 1 mph
  • Gusts: 5 mph

Clouds giving way to some sun

  • Max UV Index: 2 (Low)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 28° RealFeel® 30° Precipitation 16%

Night

N

E

S

W

  • N 2 mph
  • Gusts: 4 mph

Partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Dec 21

more Historical Weather Data >
  Today Normal Record 12/21/2013
High 42° 44° N/A 71°
Low 28° 29° N/A 27°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:23 AM with 9:25 of sunlight, then sets at 4:48 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:37 AM with 10:16 of moolight, then sets at 4:53 PM

Greenbelt Weather Report

DC: Quiet Weekend Weather to be Followed by Christmas Eve Storm

December 21, 2014; 4:20 AM ET

Following benign weather this weekend, a major storm will affect Washington, D.C., much of the East and Midwest on Christmas Eve. 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.