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    • Tonight

      Dec 17

      37° Lo F
      Cloudy; fog late with mist
      • Stargazing
      • Weather
      • Cloud Cover: 98%
      • Precip: 62%
      • Hours of Precip: 0.5
    • Mon

      Dec 18

      46° /39°
      Times of clouds and sun
      • Fair
      • for stargazing
      • Cloud Cover: 60%
      • Precip: 1%
      • Hours of Precip: 0
      More
    • Tue

      Dec 19

      49° /27°
      Fog in the a.m.; partly sunny
      • Very Good
      • for stargazing
      • Cloud Cover: 28%
      • Precip: 1%
      • Hours of Precip: 0
      More
    • Wed

      Dec 20

      38° /30°
      Partly sunny and colder
      • Good
      • for stargazing
      • Cloud Cover: 33%
      • Precip: 7%
      • Hours of Precip: 0
      More
    • Thu

      Dec 21

      42° /38°
      Mostly cloudy
      • Poor
      • for stargazing
      • Cloud Cover: 91%
      • Precip: 41%
      • Hours of Precip: 1
      More
    Sunday
    6pm
    7pm
    8pm
    9pm
    10pm
    11pm
    12am
    1am
    Forecast Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
    Temp (°F) 39° 40° 40° 40° 40° 40° 39° 39°
    RealFeel® 40° 41° 40° 38° 38° 37° 36° 36°
    Wind (mph) 2 WSW 4 WSW 5 SW 5 SW 5 SW 6 SW 6 SW 6 SW
    precip
    6pm
    7pm
    8pm
    9pm
    10pm
    11pm
    12am
    1am
    Rain
    4%
    7%
    7%
    6%
    5%
    5%
    8%
    49%
    Snow
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    Ice
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    SKY
    6pm
    7pm
    8pm
    9pm
    10pm
    11pm
    12am
    1am
    UV Index 0 0 0 0 0 0 0 0
    Cloud Cover 93% 93% 97% 100% 100% 100% 100% 99%
    Humidity 80% 78% 78% 80% 79% 78% 79% 79%
    Dew Point 33° 34° 34° 34° 34° 33° 33° 33°
    Visibility 10 mi 10 mi 10 mi 10 mi 10 mi 10 mi 10 mi 10 mi
    Temp °F
    6pm
    7pm
    8pm
    9pm
    10pm
    11pm
    12am
    1am
    45° 40° 35°

    Temperature History

    more Historical Weather Data >
      Today Normal Record 12/17/2016
    High 42° 34° N/A 22°
    Low 37° 20° N/A 18°

    Sunrise/Sunset

    • Sunrise: 7:14 AM
    • Sunset: 4:21 PM
    • Duration: 9:07 hr

    Moonrise/Moonset

    • Moonrise: 6:25 AM
    • Moonset: 4:19 PM
    • Duration: 9:54 hr
    Astronomy

    Solunar Information for Prospect Heights, IL

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

    Sun. Stargazing