• Early AM

    Jul 22

    Lo 70°

    Clear

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      79°
    • Hi
      RealFeel
      90°
    • Wind
      Speed
      6 mph
    more
  • Today

    Jul 22

    92°Lo 65°

    Partly sunny, hot and humid

    Poor for home energy
    • Avg
      RealFeel
      77°
    • Hi
      RealFeel
      94°
    • Wind
      Speed
      11 mph
  • Wed

    Jul 23

    74°Lo 58°

    Cooler with clouds and sun

    Poor for home energy
    • Avg
      RealFeel
      65°
    • Hi
      RealFeel
      74°
    • Wind
      Speed
      12 mph
    more
  • Thu

    Jul 24

    75°Lo 58°

    Mostly sunny and pleasant

    Poor for home energy
    • Avg
      RealFeel
      68°
    • Hi
      RealFeel
      80°
    • Wind
      Speed
      5 mph
    more
  • Fri

    Jul 25

    80°Lo 65°

    Times of clouds and sun

    Poor for home energy
    • Avg
      RealFeel
      70°
    • Hi
      RealFeel
      81°
    • Wind
      Speed
      7 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
4am
5am 6am 7am 8am 9am 10am 11am
  4am 5am 6am 7am 8am 9am 10am 11am
Forecast
Clear
Clear
Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Partly Sunny
Temp (°F) 72° 71° 70° 73° 74° 78° 81° 84°
RealFeel® 69° 68° 67° 70° 73° 77° 82° 86°
Humidity 76% 76% 80% 72% 71% 64% 60% 57%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Rain
 
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0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
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Ice
 
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  4am 5am 6am 7am 8am 9am 10am 11am
Wind (mph) 4 S 5 S 5 S 6 SSW 8 SSW 10 SSW 12 SSW 12 SSW
UV Index 0 0 0 0 1 3 5 6
Cloud Cover 5% 7% 9% 10% 25% 26% 26% 37%
Dew Point 64° 63° 63° 63° 65° 65° 66° 67°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Jul 22

more Historical Weather Data >
  Today Normal Record 7/22/2013
High 92° 84° 101° (1991) 87°
Low 65° 64° 49° (1947) 71°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:35 AM with 14:46 of sunlight, then sets at 8:21 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:09 AM with 14:49 of moolight, then sets at 4:58 PM

Top Story

Arlington Heights Weather Report

Chicago: High Humidity, Severe Weather Threat Ahead

July 21, 2014; 4:17 PM ET

Cooler air will persist across the Chicago area into the weekend but temperatures will spike into next week. 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.

Tue. Home Energy Efficiency

Tue. Degree Days

Tue. UV Index