• Tonight

    Aug 30

    Lo 68°

    Partly cloudy and humid

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      76°
    • Hi
      RealFeel
      84°
    • Wind
      Speed
      12 mph
    more
  • Sun

    Aug 31

    82°Lo 70°

    Partly sunny and humid

    Poor for home energy
    • Avg
      RealFeel
      76°
    • Hi
      RealFeel
      87°
    • Wind
      Speed
      6 mph
  • Mon

    Sep 1

    83°Lo 69°

    Thunderstorms, strong late

    Poor for home energy
    • Avg
      RealFeel
      77°
    • Hi
      RealFeel
      87°
    • Wind
      Speed
      12 mph
    more
  • Tue

    Sep 2

    80°Lo 61°

    Times of clouds and sun

    Poor for home energy
    • Avg
      RealFeel
      70°
    • Hi
      RealFeel
      82°
    • Wind
      Speed
      6 mph
    more
  • Wed

    Sep 3

    82°Lo 70°

    Partly sunny and beautiful

    Poor for home energy
    • Avg
      RealFeel
      77°
    • Hi
      RealFeel
      84°
    • Wind
      Speed
      8 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Partly Cloudy
Partly Cloudy
Partly Sunny
Partly Cloudy
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Temp (°F) 72° 75° 77° 78° 80° 81° 82° 82°
RealFeel® 73° 78° 84° 84° 86° 86° 87° 84°
Humidity 83% 78% 73% 68% 65% 62% 61% 62%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
7%
 
7%
 
7%
 
7%
 
5%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 4 SSW 4 SSW 5 SSW 6 S 7 S 7 S 7 S 7 S
UV Index 1 2 4 5 6 5 4 3
Cloud Cover 70% 65% 46% 70% 46% 46% 46% 46%
Dew Point 66° 67° 68° 67° 67° 67° 68° 67°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - Aug 31

more Historical Weather Data >
  Today Normal Record 8/31/2013
High 82° 80° 99° (1953) 78°
Low 70° 60° 47° (1872) 71°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:16 AM with 13:12 of sunlight, then sets at 7:28 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:08 PM with 10:26 of moolight, then sets at 10:34 PM

Top Story

Prospect Heights Weather Report

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Energy Efficient Lightbulbs and S.A.D

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Sun. Home Energy Efficiency

Sun. Degree Days

Sun. UV Index