, °F

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    • Today

      Sep 27

      65° /49°
      Increasing clouds and breezy
      • Poor
      • for home energy
      • Avg RealFeel: 54°
      • Hi RealFeel: 64°
      • Wind Speed: 14 mph
      More
    • Wed

      Sep 28

      62° /54°F
      An a.m. shower; mainly cloudy
      • Poor
      • for home energy
      • Avg RealFeel: 55°
      • Hi RealFeel: 60°
      • Wind Speed: 9 mph
    • Thu

      Sep 29

      68° /57°
      A brief shower or two
      • Poor
      • for home energy
      • Avg RealFeel: 56°
      • Hi RealFeel: 65°
      • Wind Speed: 17 mph
      More
    • Fri

      Sep 30

      63° /56°
      Clearing and a few showers
      • Poor
      • for home energy
      • Avg RealFeel: 54°
      • Hi RealFeel: 58°
      • Wind Speed: 17 mph
      More
    • Sat

      Oct 1

      66° /54°
      A couple of showers
      • Poor
      • for home energy
      • Avg RealFeel: 60°
      • Hi RealFeel: 67°
      • Wind Speed: 7 mph
      More
    Wednesday
    5am
    6am
    7am
    8am
    9am
    10am
    11am
    12pm
    Forecast Showers Cloudy Showers Cloudy Cloudy Showers Cloudy Cloudy
    Temp (°F) 50° 49° 49° 50° 52° 54° 56° 58°
    RealFeel® 44° 46° 43° 47° 49° 49° 54° 56°
    Wind (mph) 6 WNW 7 WNW 7 WNW 7 NW 8 NW 8 NW 9 NNW 9 NNW
    precip
    5am
    6am
    7am
    8am
    9am
    10am
    11am
    12pm
    Rain
    58%
    49%
    58%
    49%
    47%
    51%
    39%
    33%
    Snow
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    Ice
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    SKY
    5am
    6am
    7am
    8am
    9am
    10am
    11am
    12pm
    UV Index 0 0 0 0 0 1 1 1
    Cloud Cover 94% 94% 94% 96% 96% 95% 93% 92%
    Humidity 97% 98% 99% 96% 93% 89% 84% 77%
    Dew Point 49° 49° 49° 49° 50° 51° 51° 51°
    Temp °F
    5am
    6am
    7am
    8am
    9am
    10am
    11am
    12pm
    60° 55° 50° 45°

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/28/2015
    High 62° 68° N/A 76°
    Low 54° 48° N/A 61°

    Sunrise/Sunset

    • Sunrise: 6:47 AM
    • Sunset: 6:38 PM
    • Duration: 11:51 hr

    Moonrise/Moonset

    • Moonrise: 4:21 AM
    • Moonset: 5:41 PM
    • Duration: 13:20 hr
    Astronomy

    Grayslake Weather Report

    Chilly winds to howl across Great Lakes early this week

    September 27, 2016; 5:03 AM ET

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

    Wed. Home Energy Efficiency

    Wed. Degree Days

    Wed. UV Index