• Today

    Aug 28

    76°Lo 63°

    Some sun, then clouds

    Excellent for lawn mowing
    • Hours of Precip
      2.5
    • Precip
      47%
    • Hi
      RealFeel
      80°
    more
  • Sat

    Aug 29

    75°Lo 63°

    Rather cloudy with showers

    Poor for lawn mowing
    • Hours of Precip
      5.5
    • Precip
      92%
    • Hi
      RealFeel
      77°
    more
  • Sun

    Aug 30

    82°Lo 63°

    Humid with variable clouds

    Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      25%
    • Hi
      RealFeel
      91°
    more
  • Mon

    Aug 31

    85°Lo 65°

    Sunny, very warm and humid

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      7%
    • Hi
      RealFeel
      92°
    more
  • Tue

    Sep 1

    87°Lo 66°

    Mostly sunny and very warm

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      11%
    • Hi
      RealFeel
      92°
Next Previous
Partly cloudy 71° Lo 66° RealFeel® 70° / 65°

N

E

S

W

  • Precipitation: 20%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 83%
  • Cloud Cover: 27%
  • Dew Point: 63° F
  • Visibility: 10 mi
6 mph

Temperature History - Sep 1

more Historical Weather Data >
  Today Normal Record 9/1/2014
High 87° 78° N/A 80°
Low 66° 55° N/A 61°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:18 AM with 13:10 of sunlight, then sets at 7:28 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:21 PM with 13:35 of moolight, then sets at 10:56 AM

Crystal Lake Weather Report

Chicago: Stray Shower May Interrupt Otherwise Ideal Weekend Conditions

August 28, 2015; 8:08 AM ET

Chicago is in store for near-ideal weekend conditions after a brief shower hits the area on Saturday. 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?

Tue. Degree Days

Tue. Evapotranspiration