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    • Early AM

      Dec 11

      34° Lo
      Occasional rain and drizzle
      • Stargazing
      • Weather
      • Cloud Cover: 53%
      • Precip: 65%
      • Hours of Precip: 2.5
      More
    • Today

      Dec 11

      43° /27°F
      Cooler; a bit of morning snow
      • Poor
      • for stargazing
      • Cloud Cover: 46%
      • Precip: 2%
      • Hours of Precip: 0.5
    • Mon

      Dec 12

      44° /23°
      Periods of clouds and sun
      • Poor
      • for stargazing
      • Cloud Cover: 79%
      • Precip: 25%
      • Hours of Precip: 0
      More
    • Tue

      Dec 13

      37° /20°
      Rather cloudy, p.m. flurries
      • Poor
      • for stargazing
      • Cloud Cover: 98%
      • Precip: 57%
      • Hours of Precip: 4
      More
    • Wed

      Dec 14

      31° /17°
      A little morning snow; colder
      • Poor
      • for stargazing
      • Cloud Cover: 99%
      • Precip: 58%
      • Hours of Precip: 3
      More
    Sunday
    12am
    1am
    2am
    3am
    4am
    5am
    6am
    7am
    Forecast Showers Showers Cloudy Mostly Cloudy Rain Rain Rain Snow
    Temp (°F) 41° 39° 38° 37° 36° 35° 34° 33°
    RealFeel® 38° 37° 39° 37° 30° 29° 28° 28°
    Wind (mph) 5 E 4 E 2 E 4 E 6 E 6 SE 6 WSW 6 SSW
    precip
    12am
    1am
    2am
    3am
    4am
    5am
    6am
    7am
    Rain
    51%
    46%
    42%
    46%
    65%
    65%
    65%
    13%
    Snow
    0%
    2%
    2%
    2%
    1%
    1%
    4%
    51%
    Ice
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    SKY
    12am
    1am
    2am
    3am
    4am
    5am
    6am
    7am
    UV Index 0 0 0 0 0 0 0 0
    Cloud Cover 90% 94% 95% 88% 90% 90% 89% 94%
    Humidity 60% 62% 66% 63% 67% 68% 68% 73%
    Dew Point 28° 27° 27° 25° 25° 25° 24° 25°
    Temp °F
    12am
    1am
    2am
    3am
    4am
    5am
    6am
    7am
    45° 40° 35° 30°

    Temperature History

    more Historical Weather Data >
      Today Normal Record 12/11/2015
    High 43° 45° N/A 59°
    Low 27° 21° N/A 36°

    Sunrise/Sunset

    • Sunrise: 7:13 AM
    • Sunset: 4:36 PM
    • Duration: 9:23 hr

    Moonrise/Moonset

    • Moonrise: 3:10 PM
    • Moonset: 5:22 AM
    • Duration: 14:12 hr
    Astronomy

    Solunar Information for Boulder, CO

    Wed, Dec 14
    Full
    Wed, Dec 21
    Last
    Thu, Dec 29
    New
    Thu, Jan 5
    First

    Sun. Stargazing