• Today

    Dec 18

    43°Lo 31°

    Colder with partial sunshine

    Unlikely for hair frizz
    • Wind
      Gust
      29 mph
    • Precip
      3%
    • Hours of Precip
      0
  • Fri

    Dec 19

    44°Lo 27°

    Sunshine and patchy clouds

    Unlikely for hair frizz
    • Wind
      Gust
      17 mph
    • Precip
      0%
    • Hours of Precip
      0
    more
  • Sat

    Dec 20

    41°Lo 29°

    Mostly cloudy

    Watch for hair frizz
    • Wind
      Gust
      5 mph
    • Precip
      6%
    • Hours of Precip
      0
    more
  • Sun

    Dec 21

    45°Lo 31°

    Partly sunny

    Watch for hair frizz
    • Wind
      Gust
      5 mph
    • Precip
      4%
    • Hours of Precip
      0
    more
  • Mon

    Dec 22

    44°Lo 37°

    A little afternoon rain

    Advisory for hair frizz
    • Wind
      Gust
      7 mph
    • Precip
      75%
    • Hours of Precip
      5
    more
Next Previous
Hi 43° RealFeel® 33° Precipitation 3%

Day

N

E

S

W

  • NW 12 mph
  • Gusts: 29 mph

Partly sunny and colder; breezy this afternoon

  • Max UV Index: 1 (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 31° RealFeel® 25° Precipitation 6%

Night

N

E

S

W

  • NW 7 mph
  • Gusts: 10 mph

Mostly 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 18

more Historical Weather Data >
  Today Normal Record 12/18/2013
High 43° 44° N/A 41°
Low 31° 29° N/A 24°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:21 AM with 9:26 of sunlight, then sets at 4:47 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:34 AM with 10:50 of moolight, then sets at 2:24 PM

Greenbelt Weather Report

DC: Spotty Wintry Weather This Weekend to be Paled by Major Storm Next Week

December 18, 2014; 8:48 AM ET

After a weak storm brings spotty light snow and rain to the region this weekend, another storm will threaten major travel disruptions around Washington, D.C., before Christmas. more >

The History Behind the UV Index

Nov 12, 2012; 5:00 AM ET The UV index has been around since the early 1990s. It was created to help you plan outdoor activities in hopes to limit overexposure to the sun. Jeannette Calle has more.

Thu. Hair Frizz

Thu. Wind Maps

Thu. UV Index