• Tonight

    Sep 4

    Lo 66°

    Partly cloudy, warm and humid

    Lawn Mowing Weather
    • Hours of Precip
      0
    • Precip
      25%
    • Hi
      RealFeel
      91°
    more
  • Sat

    Sep 5

    89°Lo 70°

    Partly sunny, warm and humid

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      24%
    • Hi
      RealFeel
      98°
    more
  • Sun

    Sep 6

    90°Lo 71°

    Partly sunny, hot and humid

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      9%
    • Hi
      RealFeel
      96°
  • Mon

    Sep 7

    84°Lo 68°

    Mostly cloudy with a t-storm

    Fair for lawn mowing
    • Hours of Precip
      3.5
    • Precip
      55%
    • Hi
      RealFeel
      88°
    more
  • Tue

    Sep 8

    77°Lo 62°

    Mostly cloudy with t-storms

    Fair for lawn mowing
    • Hours of Precip
      4
    • Precip
      66%
    • Hi
      RealFeel
      81°
    more
Next Previous
Partly sunny 90° Lo 82° RealFeel® 96° / 83°

N

E

S

W

  • Precipitation: 3%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 53%
  • Cloud Cover: 26%
  • Dew Point: 69° F
  • Visibility: 10 mi
8 mph

Temperature History - Sep 6

more Historical Weather Data >
  Today Normal Record 9/6/2014
High 90° 76° N/A 73°
Low 71° 58° N/A 56°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:22 AM with 12:56 of sunlight, then sets at 7:18 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:15 AM with 14:49 of moolight, then sets at 3:04 PM

Grayslake Weather Report

Chicago: Sun, Humidity to Grip Region Before Stormy Labor Day

September 4, 2015; 8:03 PM ET

As the Labor Day weekend shapes up, Chicago residents will see mostly sunny and humid conditions until the holiday itself on Monday. more >

Why Do Leaves Change Color?

Sep 20, 2011; 5:00 AM ET Why do leaves change from green to beautiful shades of red, orange and yellow in the fall?

Sun. Degree Days

Sun. Evapotranspiration