, °F

Personalized Forecasts

Featured Forecast

My Favorite Forecasts

    My Recent Locations

    • Fri

      Sep 30

      66° /50°F
      Sunshine
      • Neutral
      • weather for sinus headaches
      • Hi RealFeel: 69°
      • UV: 4 - Moderate
      • Cloud Cover: 6%
    • Sat

      Oct 1

      69° /51°
      Partly sunny
      • Beneficial
      • weather for sinus headaches
      • Hi RealFeel: 70°
      • UV: 4 - Moderate
      • Cloud Cover: 44%
      More
    • Sun

      Oct 2

      70° /52°
      Clouds and sun with a shower
      • Beneficial
      • weather for sinus headaches
      • Hi RealFeel: 72°
      • UV: 4 - Moderate
      • Cloud Cover: 56%
      More
    • Mon

      Oct 3

      72° /58°
      A blend of sun and clouds
      • Beneficial
      • weather for sinus headaches
      • Hi RealFeel: 73°
      • UV: 4 - Moderate
      • Cloud Cover: 49%
      More
    • Tue

      Oct 4

      72° /52°
      Cloudy
      • Neutral
      • weather for sinus headaches
      • Hi RealFeel: 71°
      • UV: 4 - Moderate
      • Cloud Cover: 87%
      More

    Day

    66°Hi RealFeel® 69° Precipitation 7%
    Sunshine
    • NE 7 mph
    • Gusts: 10 mph
    • Max UV Index: 4 (Moderate)
    • Thunderstorms: 1%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    50°Lo RealFeel® 49° Precipitation 11%
    Mainly clear
    • ENE 5 mph
    • Gusts: 7 mph
    • Max UV Index: N/A
    • Thunderstorms: 1%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/30/2015
    High 66° 67° N/A 58°
    Low 50° 48° N/A 52°

    Sunrise/Sunset

    • Sunrise: 6:49 AM
    • Sunset: 6:34 PM
    • Duration: 11:45 hr

    Moonrise/Moonset

    • Moonrise: 6:20 AM
    • Moonset: 6:39 PM
    • Duration: 12:19 hr
    Astronomy

    Grayslake Weather Report

    Chilly winds to howl across Great Lakes early this week

    September 25, 2016; 6:43 AM ET

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