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Personalized Forecasts

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    My Recent Locations

    • Today

      May 22

      77° /67°
      A thunderstorm in spots
      • Poor
      • for stargazing
      • Cloud Cover: 91%
      • Precip: 40%
      • Hours of Precip: 1.5
      More
    • Wed

      May 23

      82° /59°F
      Some sun, a shower or t-storm
      • Very Good
      • for stargazing
      • Cloud Cover: 11%
      • Precip: 2%
      • Hours of Precip: 1
    • Thu

      May 24

      81° /55°
      Plenty of sun
      • Excellent
      • for stargazing
      • Cloud Cover: 0%
      • Precip: 2%
      • Hours of Precip: 0
      More
    • Fri

      May 25

      81° /64°
      Mostly sunny; nice
      • Very Good
      • for stargazing
      • Cloud Cover: 16%
      • Precip: 7%
      • Hours of Precip: 0
      More
    • Sat

      May 26

      85° /68°
      Partly sunny; humid
      • Poor
      • for stargazing
      • Cloud Cover: 96%
      • Precip: 25%
      • Hours of Precip: 0
      More

    Day

    82°Hi RealFeel® 89° Precipitation 55%
    Sun and some clouds, a shower or thunderstorm around; humid
    • Winds from the
    • NW 8 mph
    • Gusts: 13 mph
    • Max UV Index: 11 (Extreme)
    • Thunderstorms: 40%
    • Precipitation: 0.1 in
    • Rain: 0.1 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 1 hrs
    • Hours of Rain: 1 hrs

    Night

    59°Lo RealFeel® 58° Precipitation 2%
    Clear to partly cloudy
    • Winds from the
    • NNW 5 mph
    • Gusts: 9 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 5/23/2017
    High 82° 78° N/A 64°
    Low 59° 57° N/A 57°

    Sunrise/Sunset

    • Sunrise: 5:46 AM
    • Sunset: 8:15 PM
    • Duration: 14:29 hr

    Moonrise/Moonset

    • Moonrise: 2:19 PM
    • Moonset: 3:14 AM
    • Duration: 12:55 hr
    Astronomy

    Solunar Information for Vienna, MD

    Tue, May 22
    First
    Tue, May 29
    Full
    Wed, Jun 6
    Last
    Wed, Jun 13
    New

    Wed. Stargazing