• Today

    Jul 4

    82°Lo 61°

    Mostly sunny and nice

    Poor for home energy
    • Avg
      RealFeel
      76°
    • Hi
      RealFeel
      90°
    • Wind
      Speed
      5 mph
    more
  • Sun

    Jul 5

    84°Lo 65°

    Mostly sunny and pleasant

    Poor for home energy
    • Avg
      RealFeel
      77°
    • Hi
      RealFeel
      90°
    • Wind
      Speed
      7 mph
  • Mon

    Jul 6

    87°Lo 64°

    Breezy with clouds and sun

    Poor for home energy
    • Avg
      RealFeel
      76°
    • Hi
      RealFeel
      90°
    • Wind
      Speed
      14 mph
    more
  • Tue

    Jul 7

    74°Lo 54°

    Clouds breaking; not as warm

    Poor for home energy
    • Avg
      RealFeel
      67°
    • Hi
      RealFeel
      80°
    • Wind
      Speed
      8 mph
    more
  • Wed

    Jul 8

    72°Lo 58°

    Partly sunny and pleasant

    Poor for home energy
    • Avg
      RealFeel
      67°
    • Hi
      RealFeel
      79°
    • Wind
      Speed
      6 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
3am
4am 5am 6am 7am 8am 9am 10am
  3am 4am 5am 6am 7am 8am 9am 10am
Forecast
Clear
Clear
Mostly Clear
Mostly Sunny
Partly Sunny
Mostly Sunny
Mostly Sunny
Sunny
Temp (°F) 63° 63° 61° 63° 66° 71° 74° 78°
RealFeel® 63° 64° 61° 64° 67° 73° 79° 84°
Humidity 80% 83% 90% 83% 84% 77% 66% 58%
   
  3am 4am 5am 6am 7am 8am 9am 10am
Rain
 
0%
 
0%
 
0%
 
0%
 
1%
 
7%
 
7%
 
7%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  3am 4am 5am 6am 7am 8am 9am 10am
Wind (mph) 4 SSW 4 SSW 4 SSW 4 SW 4 SW 5 SSW 5 SSW 6 S
UV Index 0 0 0 0 1 2 3 5
Cloud Cover 0% 0% 13% 29% 37% 29% 13% 0%
Dew Point 57° 58° 58° 58° 61° 63° 62° 62°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - Jul 5

more Historical Weather Data >
  Today Normal Record 7/5/2014
High 84° 81° N/A 77°
Low 65° 62° N/A 53°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:21 AM with 15:11 of sunlight, then sets at 8:32 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:57 PM with 11:44 of moolight, then sets at 10:41 AM

Grayslake Weather Report

Chicago: Sunny, Comfortable Conditions for July Fourth Weekend

July 4, 2015; 1:01 AM ET

The holiday weekend will feature mostly sunny skies and seasonable weather for residents living in 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.

Sun. Home Energy Efficiency

Sun. Degree Days

Sun. UV Index