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  • Wed

    Aug 6

    Some sun with showers around 89°Lo 64°
  • Thu

    Aug 7

    Sunshine and less humid 86°Lo 67°
    more
  • Fri

    Aug 8

    Partial sunshine 89°Lo 68°
    more
  • Sat

    Aug 9

    A couple of p.m. t-storms 91°Lo 65°
    more
  • Sun

    Aug 10

    Sunny and less humid 84°Lo 63°
    more
Hi 89° RealFeel® 90° Precipitation 60%

Day

N

E

S

W

  • NW 4 mph
  • Gusts: 11 mph

Clouds and sun with a couple of showers

  • Max UV Index: 6 (High)
  • Thunderstorms: 24%
  • Precipitation: 0.16 in
  • Rain: 0.16 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 3 hrs
  • Hours of Rain: 3 hrs
Lo 64° RealFeel® 63° Precipitation 5%

Night

N

E

S

W

  • NW 3 mph
  • Gusts: 8 mph

Partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 24%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Aug 6

more Historical Weather Data >
  Today Normal Record 8/6/2013
High 89° 87° 96° (2007) 74°
Low 64° 65° 50° (1966) 67°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:15 AM with 14:01 of sunlight, then sets at 8:16 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:30 PM with 10:14 of moolight, then sets at 2:44 AM

Top Story

Herndon Weather Report

DC: Building Heat, Humidity Into Midweek

July 22, 2014; 3:02 AM ET

Heat and humidity will continue to build around Washington, D.C., into the middle of this week more >

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