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Personalized Forecasts

Featured Forecast

My Favorite Forecasts

    My Recent Locations

    • Today

      Aug 17

      86° /58°
      Warmer
      • Excellent
      • for stargazing
      • Cloud Cover: 17%
      • Precip: 4%
      • Hours of Precip: 0.5
      More
    • Fri

      Aug 18

      85° /59°F
      An afternoon thunderstorm
      • Excellent
      • for stargazing
      • Cloud Cover: 24%
      • Precip: 7%
      • Hours of Precip: 0.5
    • Sat

      Aug 19

      89° /60°
      A thunderstorm around
      • Excellent
      • for stargazing
      • Cloud Cover: 25%
      • Precip: 25%
      • Hours of Precip: 0.5
      More
    • Sun

      Aug 20

      87° /60°
      An afternoon thunderstorm
      • Fair
      • for stargazing
      • Cloud Cover: 71%
      • Precip: 15%
      • Hours of Precip: 0.5
      More
    • Mon

      Aug 21

      86° /58°
      Some sun, then clouds
      • Very Good
      • for stargazing
      • Cloud Cover: 29%
      • Precip: 13%
      • Hours of Precip: 0
      More
    64°/59° RealFeel® 63°/57°
    Mainly clear
    • Winds from the W
    • 6 mph
    • Precipitation: 1%
    • Rain: 0 in
    • Snow: 0 in
    • Humidity: 49%
    • Cloud Cover: 10%
    • Dew Point: 42° F
    • Visibility: 10 mi

    Temperature History

    more Historical Weather Data >
      Today Normal Record 8/18/2016
    High 85° 85° N/A 86°
    Low 59° 56° N/A 55°

    Sunrise/Sunset

    • Sunrise: 6:15 AM
    • Sunset: 7:54 PM
    • Duration: 13:39 hr

    Moonrise/Moonset

    • Moonrise: 2:48 AM
    • Moonset: 5:38 PM
    • Duration: 14:50 hr
    Astronomy

    Solunar Information for Boulder, CO

    Mon, Aug 21
    New
    Tue, Aug 29
    First
    Wed, Sep 6
    Full
    Wed, Sep 13
    Last

    Fri. Stargazing