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  • Today

    Dec 19

    Some sun, then clouds; warmer -4°Lo -11°
  • Sat

    Dec 20

    Partial sunshine -3°Lo -12°
    more
  • Sun

    Dec 21

    Clearing -6°Lo -12°
    more
  • Mon

    Dec 22

    Partly sunny with flurries -6°Lo -12°
    more
  • Tue

    Dec 23

    Sun and areas of low clouds -6°Lo -12°
    more
Mostly cloudy -9° Lo -11° RealFeel® -10° / -11°

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  • Precipitation: 0%
  • Rain: 0 mm
  • Snow: 0 CM
  • Humidity: 81%
  • Cloud Cover: 76%
  • Dew Point: -13° C
  • Visibility: 10 km
6 km/h

Temperature History - Dec 19

more Historical Weather Data >
  Today Normal Record 12/19/2013
High -4° -9° N/A -18°
Low -11° -19° N/A -24°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 8:37 AM with 8:09 of sunlight, then sets at 4:46 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:42 AM with 9:38 of moolight, then sets at 3:20 PM

Reston Weather Report

Long-Range Forecast Model Update Into Mid-January

December 19, 2014; 9:08 AM ET

Update on the long-range forecast model data. more >