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  • Early AM

    Apr 20

    Clearing Lo 40°
    more
  • Today

    Apr 20

    Mostly sunny 64°Lo 35°
    more
  • Mon

    Apr 21

    Mostly sunny and pleasant 68°Lo 47°
  • Tue

    Apr 22

    An afternoon t-storm or two 72°Lo 45°
    more
  • Wed

    Apr 23

    Partly sunny; breezy, cooler 63°Lo 39°
    more

Thunderstorms Tuesday afternoon Details >

Hi 68° RealFeel® 75° Precipitation 3%

Day

N

E

S

W

  • WSW 4 mph
  • Gusts: 6 mph

Mostly sunny and pleasant

  • Max UV Index: 7 (High)
  • 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 47° RealFeel® 46° Precipitation 16%

Night

N

E

S

W

  • S 3 mph
  • Gusts: 6 mph

Patchy clouds

  • Max UV Index: N/A
  • Thunderstorms: 1%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Apr 21

more Historical Weather Data >
  Today Normal Record 4/21/2013
High 68° 69° 89° (1985) 55°
Low 47° 44° 29° (1983) 39°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:25 AM with 13:27 of sunlight, then sets at 7:52 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:21 AM with 10:28 of moolight, then sets at 11:49 AM

Top Story

Herndon Weather Report

DC: Another Surge of Mild Air Follows Easter

April 19, 2014; 8:20 PM ET

Another surge of milder air is headed to Washington, D.C., after Easter Sunday. more >

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