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  • Early AM

    Apr 21

    A shower possible Lo 52°
    more
  • Today

    Apr 21

    Sunshine; breezy, not as warm 68°Lo 43°
  • Wed

    Apr 22

    A few afternoon showers 65°Lo 37°
    more
  • Thu

    Apr 23

    Mostly sunny and breezy 61°Lo 36°
    more
  • Fri

    Apr 24

    Increasing clouds and breezy 61°Lo 34°
    more
Mainly clear 54° Lo 43° RealFeel® 50° / 38°

N

E

S

W

  • Precipitation: 6%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 61%
  • Cloud Cover: 30%
  • Dew Point: 35° F
  • Visibility: 10 mi
8 mph

Temperature History - Apr 21

more Historical Weather Data >
  Today Normal Record 4/21/2014
High 68° 69° 89° (1985) 70°
Low 43° 44° 29° (1983) 31°

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 8:42 AM with 14:29 of moolight, then sets at 11:11 PM

Herndon Weather Report

DC, Baltimore: Cooler Air to Sweep Away Warmth This Week

April 20, 2015; 11:41 PM ET

Cooler air will push into the Washington, D.C., and Baltimore areas during the middle and latter part of the week. more >

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