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    • Tonight

      Sep 27

      48° Lo
      A little late-night rain
      • Construction
      • Weather
      • Precip: 25%
      • Hours of Precip: 2
      • Hi RealFeel: 64°
      More
    • Wed

      Sep 28

      61° /55°
      Mostly cloudy, a little rain
      • Fair
      • for outdoor DIY projects
      • Precip: 56%
      • Hours of Precip: 2.5
      • Hi RealFeel: 56°
      More
    • Thu

      Sep 29

      68° /59°F
      A passing shower or two
      • Fair
      • for outdoor DIY projects
      • Precip: 55%
      • Hours of Precip: 3
      • Hi RealFeel: 66°
    • Fri

      Sep 30

      63° /53°
      Cloudy with a few showers
      • Fair
      • for outdoor DIY projects
      • Precip: 61%
      • Hours of Precip: 4.5
      • Hi RealFeel: 59°
      More
    • Sat

      Oct 1

      67° /53°
      Mostly cloudy, showers around
      • Good
      • for outdoor DIY projects
      • Precip: 60%
      • Hours of Precip: 2
      • Hi RealFeel: 68°
      More
    60°/60° RealFeel® 58°/54°
    A shower
    • 8 mph
    • Precipitation: 52%
    • Rain: 0.02 in
    • Snow: 0 in
    • Humidity: 85%
    • Cloud Cover: 89%
    • Dew Point: 56° F
    • Visibility: 9 mi

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/29/2015
    High 68° 68° N/A 66°
    Low 59° 48° N/A 54°

    Sunrise/Sunset

    • Sunrise: 6:48 AM
    • Sunset: 6:36 PM
    • Duration: 11:48 hr

    Moonrise/Moonset

    • Moonrise: 5:21 AM
    • Moonset: 6:11 PM
    • Duration: 12:50 hr
    Astronomy

    Grayslake Weather Report

    Chilly winds to howl across Great Lakes early this week

    September 27, 2016; 7:42 PM ET

    Gusty winds will accompany a push of chilly air across the Great Lakes through Tuesday. More >

    Thu. Outdoor DIY Projects

    Thu. Wind Maps

    Thu. UV Index