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Personalized Forecasts

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    • Today

      Feb 24

      80° /55°
      Sun, some clouds
      • Fair
      • for stargazing
      • Cloud Cover: 67%
      • Precip: 5%
      • Hours of Precip: 0
      More
    • Sat

      Feb 25

      70° /35°F
      Rain and a t-storm in the p.m.
      • Very Good
      • for stargazing
      • Cloud Cover: 5%
      • Precip: 12%
      • Hours of Precip: 4
    • Sun

      Feb 26

      49° /31°
      Sunny, breezy and cooler
      • Very Good
      • for stargazing
      • Cloud Cover: 39%
      • Precip: 4%
      • Hours of Precip: 0
      More
    • Mon

      Feb 27

      60° /42°
      Warmer with periods of sun
      • Poor
      • for stargazing
      • Cloud Cover: 98%
      • Precip: 60%
      • Hours of Precip: 2
      More
    • Tue

      Feb 28

      63° /52°
      A brief shower or two
      • Poor
      • for stargazing
      • Cloud Cover: 79%
      • Precip: 25%
      • Hours of Precip: 1.5
      More

    Day

    70°Hi RealFeel® 69° Precipitation 67%
    Fog in the morning, then windy and cooler with rain and a t-storm; storms can bring damaging winds
    • S 12 mph
    • Gusts: 32 mph
    • Max UV Index: 2 (Low)
    • Thunderstorms: 60%
    • Precipitation: 0.28 in
    • Rain: 0.28 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 4 hrs
    • Hours of Rain: 4 hrs

    Night

    35°Lo RealFeel® 24° Precipitation 12%
    Clear, windy and cooler
    • WNW 16 mph
    • Gusts: 33 mph
    • Max UV Index: N/A
    • Thunderstorms: 0%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Temperature History

    more Historical Weather Data >
      Today Normal Record 2/25/2016
    High 70° 50° 84° (1930) 60°
    Low 35° 33° -1° (1914) 40°

    Sunrise/Sunset

    • Sunrise: 6:47 AM
    • Sunset: 5:57 PM
    • Duration: 11:10 hr

    Moonrise/Moonset

    • Moonrise: 6:09 AM
    • Moonset: 5:09 PM
    • Duration: 11:00 hr
    Astronomy

    Solunar Information for Spring Valley, DC

    Sun, Feb 26
    New
    Sun, Mar 5
    First
    Sun, Mar 12
    Full
    Mon, Mar 20
    Last

    Sat. Stargazing