• Tonight

    Mar 5

    Lo 0°

    Mainly clear and frigid

    Home Energy Efficiency Weather
    • Avg
      RealFeel
    • Hi
      RealFeel
      10°
    • Wind
      Speed
      8 mph
  • Fri

    Mar 6

    31°Lo 25°

    Mostly sunny and breezy

    Very Good for home energy
    • Avg
      RealFeel
      16°
    • Hi
      RealFeel
      18°
    • Wind
      Speed
      15 mph
    more
  • Sat

    Mar 7

    40°Lo 23°

    Periods of sun; not as cold

    Good for home energy
    • Avg
      RealFeel
      24°
    • Hi
      RealFeel
      34°
    • Wind
      Speed
      12 mph
    more
  • Sun

    Mar 8

    41°Lo 23°

    Times of clouds and sun

    Good for home energy
    • Avg
      RealFeel
      26°
    • Hi
      RealFeel
      37°
    • Wind
      Speed
      9 mph
    more
  • Mon

    Mar 9

    44°Lo 27°

    Partly sunny

    Fair for home energy
    • Avg
      RealFeel
      35°
    • Hi
      RealFeel
      49°
    • Wind
      Speed
      6 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
9pm
10pm 11pm Fri
12am
1am 2am 3am 4am
  9pm 10pm 11pm 12am 1am 2am 3am 4am
Forecast
Clear
Clear
Clear
Clear
Clear
Clear
Mostly Clear
Partly Cloudy
Temp (°F)
RealFeel® -1° -3° -3° -4° -3° -4°
Humidity 82% 84% 87% 90% 86% 81% 74% 68%
   
  9pm 10pm 11pm 12am 1am 2am 3am 4am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
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0%
 
0%
 
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Ice
 
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  9pm 10pm 11pm 12am 1am 2am 3am 4am
Wind (mph) 5 W 5 W 5 WSW 5 SW 6 SSW 6 SSW 7 SSW 7 SSW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 0% 0% 0% 0% 2% 9% 25% 49%
Dew Point -1° -2° -2° -2° -2° -2° -2° -3°
Middle Grid line 10 F Middle Grid line 5 F Middle Grid line 0 F Middle Grid line -5 F

Temperature History - Mar 5

more Historical Weather Data >
  Today Normal Record 3/5/2014
High 14° 43° 69° (1983) 25°
Low 24° -3° (1978) 18°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:25 AM with 11:27 of sunlight, then sets at 5:52 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:05 PM with 12:34 of moolight, then sets at 6:39 AM

Peru Weather Report

Chicago: Weekend to Welcome Springlike Temperatures

March 5, 2015; 1:56 PM ET

After a frigid workweek in Chicago, the weekend will usher in springlike temperatures across the region. 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.

Thu. Home Energy Efficiency

Thu. Degree Days

Thu. UV Index