• Today

    Mar 31

    56°Lo 34°

    Clouds giving way to some sun

    Poor for home energy
    • Avg
      RealFeel
      46°
    • Hi
      RealFeel
      57°
    • Wind
      Speed
      8 mph
    more
  • Wed

    Apr 1

    63°Lo 52°

    Sunshine; breezy in the p.m.

    Poor for home energy
    • Avg
      RealFeel
      51°
    • Hi
      RealFeel
      59°
    • Wind
      Speed
      14 mph
  • Thu

    Apr 2

    62°Lo 38°

    A thunderstorm in the morning

    Poor for home energy
    • Avg
      RealFeel
      44°
    • Hi
      RealFeel
      59°
    • Wind
      Speed
      13 mph
    more
  • Fri

    Apr 3

    44°Lo 26°

    Colder with a chance of rain

    Fair for home energy
    • Avg
      RealFeel
      28°
    • Hi
      RealFeel
      38°
    • Wind
      Speed
      12 mph
    more
  • Sat

    Apr 4

    53°Lo 33°

    Breezy with clouds and sun

    Fair for home energy
    • Avg
      RealFeel
      35°
    • Hi
      RealFeel
      47°
    • Wind
      Speed
      17 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
5am
6am 7am 8am 9am 10am 11am 12pm
  5am 6am 7am 8am 9am 10am 11am 12pm
Forecast
Mostly Clear
Mostly Clear
Mostly Sunny
Partly Cloudy
Partly Cloudy
Partly Sunny
Partly Sunny
Mostly Sunny
Temp (°F) 36° 35° 34° 37° 42° 47° 50° 53°
RealFeel® 35° 34° 34° 37° 42° 49° 52° 55°
Humidity 81% 83% 87% 77% 66% 58% 54% 49%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
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  5am 6am 7am 8am 9am 10am 11am 12pm
Wind (mph) 5 NNE 5 NE 4 ENE 5 ENE 6 E 7 ESE 9 ESE 10 SE
UV Index 0 0 0 0 1 3 4 5
Cloud Cover 10% 10% 10% 59% 52% 45% 34% 23%
Dew Point 31° 30° 30° 31° 31° 33° 34° 34°
Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F Middle Grid line 35 F Middle Grid line 30 F

Temperature History - Apr 1

more Historical Weather Data >
  Today Normal Record 4/1/2014
High 63° 50° N/A 55°
Low 52° 33° N/A 30°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:35 AM with 12:43 of sunlight, then sets at 7:18 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:54 PM with 12:44 of moolight, then sets at 5:38 AM

Grayslake Weather Report

Chicago: Cool, Dry After Midweek Warmth

March 31, 2015; 6:08 AM ET

After mild conditions bring on a thunderstorm threat at midweek, cooler air will infiltrate the Chicago area. 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.

Wed. Home Energy Efficiency

Wed. Degree Days

Wed. UV Index