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    • Today

      Sep 27

      65° /49°
      Increasing clouds and breezy
      • Beneficial
      • weather for migraines
      • Hi RealFeel: 64°
      • UV: 4 - Moderate
      • Cloud Cover: 56%
      More
    • Wed

      Sep 28

      62° /54°
      An a.m. shower; mainly cloudy
      • Beneficial
      • weather for migraines
      • Hi RealFeel: 60°
      • UV: 2 - Low
      • Cloud Cover: 92%
      More
    • Thu

      Sep 29

      68° /57°F
      A brief shower or two
      • Beneficial
      • weather for migraines
      • Hi RealFeel: 66°
      • UV: 2 - Low
      • Cloud Cover: 90%
    • Fri

      Sep 30

      63° /56°
      Clearing and spotty showers
      • Beneficial
      • weather for migraines
      • Hi RealFeel: 60°
      • UV: 2 - Low
      • Cloud Cover: 84%
      More
    • Sat

      Oct 1

      66° /54°
      A couple of showers
      • Beneficial
      • weather for migraines
      • Hi RealFeel: 67°
      • UV: 4 - Moderate
      • Cloud Cover: 69%
      More
    68°/61° RealFeel® 66°/57°
    A brief shower or two
    • 13 mph
    • Precipitation: 55%
    • Rain: 0.02 in
    • Snow: 0 in
    • Humidity: 72%
    • Cloud Cover: 91%
    • Dew Point: 56° F
    • Visibility: 10 mi

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/29/2015
    High 68° 68° N/A 66°
    Low 57° 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; 3:53 AM ET

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

    Thu. Migraine Headache

    Thu. UV Index