• Today

    Apr 29

    52°Lo 39°

    Mostly cloudy and warmer

    Fair for an outdoor bbq
    • Precip
      3%
    • Hi
      RealFeel
      52°
    • Wind
      Speed
      8 mph
    more
  • Sat

    Apr 30

    51°Lo 41°

    Mostly cloudy, afternoon rain

    Poor for an outdoor bbq
    • Precip
      86%
    • Hi
      RealFeel
      45°
    • Wind
      Speed
      14 mph
    more
  • Sun

    May 1

    54°Lo 37°

    A little morning rain

    Poor for an outdoor bbq
    • Precip
      55%
    • Hi
      RealFeel
      52°
    • Wind
      Speed
      13 mph
  • Mon

    May 2

    60°Lo 40°

    Partly sunny

    Very Good for an outdoor bbq
    • Precip
      8%
    • Hi
      RealFeel
      67°
    • Wind
      Speed
      6 mph
    more
  • Tue

    May 3

    68°Lo 49°

    A blend of sun and clouds

    Very Good for an outdoor bbq
    • Precip
      8%
    • Hi
      RealFeel
      70°
    • Wind
      Speed
      9 mph
    more
Next Previous
Hi 54° RealFeel® 52° Precipitation 55%

Day

N

E

S

W

  • NNE 13 mph
  • Gusts: 17 mph

A bit of rain in the morning; otherwise, mostly cloudy and cool

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 2%
  • Precipitation: 0.02 in
  • Rain: 0.02 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 37° RealFeel® 37° Precipitation 6%

Night

N

E

S

W

  • NNE 6 mph
  • Gusts: 14 mph

Clear

  • Max UV Index: N/A
  • Thunderstorms: 2%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - May 1

more Historical Weather Data >
  Today Normal Record 5/1/2015
High 54° 62° N/A 60°
Low 37° 43° N/A 34°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:46 AM with 14:07 of sunlight, then sets at 7:53 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:44 AM with 11:09 of moolight, then sets at 1:53 PM

Grayslake Weather Report

Chicago: Warmup to follow cool, damp weekend

April 29, 2016; 1:03 PM ET

Following a cool and rainy weekend, warmer conditions will arrive in the Chicago area early next 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