, °F

Personalized Forecasts

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    My Recent Locations

    • Sat

      Dec 16

      42° /30°
      Mostly cloudy and milder
      • Poor
      • for stargazing
      • Cloud Cover: 97%
      • Precip: 60%
      • Hours of Precip: 4
      More
    • Sun

      Dec 17

      38° /29°
      Mostly cloudy
      • Poor
      • for stargazing
      • Cloud Cover: 57%
      • Precip: 16%
      • Hours of Precip: 0
      More
    • Mon

      Dec 18

      42° /22°F
      An afternoon shower possible
      • Fair
      • for stargazing
      • Cloud Cover: 98%
      • Precip: 25%
      • Hours of Precip: 0
    • Tue

      Dec 19

      34° /21°
      Cloudy and colder
      • Fair
      • for stargazing
      • Cloud Cover: 20%
      • Precip: 3%
      • Hours of Precip: 0
      More
    • Wed

      Dec 20

      31° /17°
      Snow possible in the p.m.
      • Poor
      • for stargazing
      • Cloud Cover: 71%
      • Precip: 22%
      • Hours of Precip: 0
      More
    42°/36° RealFeel® 38°/26°
    A shower possible
    • Winds from the NW
    • 9 mph
    • Precipitation: 30%
    • Rain: 0 in
    • Snow: 0 in
    • Humidity: 64%
    • Cloud Cover: 98%
    • Dew Point: 28° F
    • Visibility: 10 mi

    Temperature History

    more Historical Weather Data >
      Today Normal Record 12/18/2016
    High 42° 34° N/A 18°
    Low 22° 20° N/A -6°

    Sunrise/Sunset

    • Sunrise: 7:17 AM
    • Sunset: 4:23 PM
    • Duration: 9:06 hr

    Moonrise/Moonset

    • Moonrise: 7:21 AM
    • Moonset: 5:04 PM
    • Duration: 9:43 hr
    Astronomy

    Solunar Information for Crystal Lake, IL

    Mon, Dec 18
    New
    Tue, Dec 26
    First
    Tue, Jan 2
    Full
    Mon, Jan 8
    Last