• Early AM

    Oct 2

    Lo 59°

    A shower

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      60°
    • Hi
      RealFeel
      66°
    • Wind
      Speed
      8 mph
    more
  • Today

    Oct 2

    74°Lo 56°

    A couple of thunderstorms

    Poor for home energy
    • Avg
      RealFeel
      62°
    • Hi
      RealFeel
      74°
    • Wind
      Speed
      7 mph
    more
  • Fri

    Oct 3

    60°Lo 36°

    Cooler; a little morning rain

    Poor for home energy
    • Avg
      RealFeel
      40°
    • Hi
      RealFeel
      55°
    • Wind
      Speed
      13 mph
    more
  • Sat

    Oct 4

    50°Lo 37°

    Colder with a shower in spots

    Fair for home energy
    • Avg
      RealFeel
      36°
    • Hi
      RealFeel
      41°
    • Wind
      Speed
      14 mph
  • Sun

    Oct 5

    54°Lo 40°

    A shower possible

    Fair for home energy
    • Avg
      RealFeel
      44°
    • Hi
      RealFeel
      52°
    • Wind
      Speed
      8 mph
    more
Next Previous
Cooler 48° Lo 37° RealFeel® 39° / 25°

N

E

S

W

  • Precipitation: 40%
  • Rain: 0.01 in
  • Snow: 0 in
  • Humidity: 64%
  • Cloud Cover: 70%
  • Dew Point: 31° F
  • Visibility: 10 mi
15 mph

Temperature History - Oct 4

more Historical Weather Data >
  Today Normal Record 10/4/2013
High 50° 66° N/A 69°
Low 37° 46° N/A 61°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:52 AM with 11:37 of sunlight, then sets at 6:29 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:09 PM with 11:18 of moolight, then sets at 3:27 AM

Grayslake Weather Report

Chicago: Mix of Sun, Storms Ahead as Temperatures Fluctuate

October 2, 2014; 4:29 AM ET

The Chicago area is set for a roller-coaster weather pattern over the next few days as temperatures rise and fall in between alternating sunny and stormy skies. more >

Energy Efficient Lightbulbs and S.A.D

Sep 8, 2012; 5:00 AM ET With shorter days and colder nights in the fall and winter, some people develop seasonal affective disorder. When shopping for lightbulbs to treat the 'winter blues,'consider energy-efficient bulbs.

Sat. Home Energy Efficiency

Sat. Degree Days

Sat. UV Index