• Today

    Aug 5

    81°Lo 61°

    Partly sunny

    Excellent for an outdoor bbq
    • Precip
      2%
    • Hi
      RealFeel
      92°
    • Wind
      Speed
      2 mph
    more
  • Thu

    Aug 6

    81°Lo 62°

    Pleasant with clouds and sun

    Excellent for an outdoor bbq
    • Precip
      6%
    • Hi
      RealFeel
      86°
    • Wind
      Speed
      7 mph
    more
  • Fri

    Aug 7

    80°Lo 66°

    Partly sunny with a t-storm

    Very Good for an outdoor bbq
    • Precip
      57%
    • Hi
      RealFeel
      85°
    • Wind
      Speed
      8 mph
    more
  • Sat

    Aug 8

    84°Lo 65°

    Mostly cloudy and humid

    Excellent for an outdoor bbq
    • Precip
      14%
    • Hi
      RealFeel
      86°
    • Wind
      Speed
      7 mph
    more
  • Sun

    Aug 9

    83°Lo 67°

    Partly sunny and pleasant

    Excellent for an outdoor bbq
    • Precip
      13%
    • Hi
      RealFeel
      87°
    • Wind
      Speed
      8 mph
Next Previous
Hi 83° RealFeel® 87° Precipitation 13%

Day

N

E

S

W

  • SE 8 mph
  • Gusts: 13 mph

Partly sunny and pleasant

  • Max UV Index: 7 (High)
  • Thunderstorms: 10%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 67° RealFeel® 66° Precipitation 25%

Night

N

E

S

W

  • ESE 5 mph
  • Gusts: 9 mph

Partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 24%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Aug 9

more Historical Weather Data >
  Today Normal Record 8/9/2014
High 83° 81° N/A 75°
Low 67° 64° N/A 63°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:53 AM with 14:09 of sunlight, then sets at 8:02 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:28 AM with 14:47 of moolight, then sets at 4:15 PM

Grayslake Weather Report

Chicago: Cooler Conditions to Last Through Week

August 5, 2015; 12:21 AM ET

The Chicagoland area will experience cooler weather throughout the week. more >

Is Your Outdoor Gear Waterproof?

Dec 5, 2012; 5:00 AM ET Now that it's cold enough to hit the slopes, you may want to look more closely at what materials your winter sports gear is made of. As it turns out, not all waterproofing is created equal.

Sun. Outdoor Entertaining

Sun. Wind Maps

Sun. UV Index