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  • Fri

    Dec 26

    Mostly sunny 52°Lo 35°
    more
  • Sat

    Dec 27

    A shower in the afternoon 50°Lo 32°
    more
  • Sun

    Dec 28

    Colder with a few snowflakes 42°Lo 21°
    more
  • Mon

    Dec 29

    Sunshine 38°Lo 24°
    more
  • Tue

    Dec 30

    Sun and some clouds 39°Lo 23°
Hi 39° RealFeel® 34° Precipitation 1%

Day

N

E

S

W

  • SSW 8 mph
  • Gusts: 22 mph

Sun and some clouds

  • 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 23° RealFeel® 24° Precipitation 65%

Night

N

E

S

W

  • SE 4 mph
  • Gusts: 13 mph

Periods of sleet and freezing rain

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • Precipitation: 0.16 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0.16 in
  • Hours of Precipitation: 3 hrs
  • Hours of Rain: 0 hrs

Temperature History - Dec 30

more Historical Weather Data >
  Today Normal Record 12/30/2013
High 39° 43° 67° (1990) 45°
Low 23° 24° (1963) 33°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:28 AM with 9:28 of sunlight, then sets at 4:56 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:06 PM with 13:48 of moolight, then sets at 2:54 AM

Herndon 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 >

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