• Today

    Aug 29

    77°Lo 66°

    Rain and a thunderstorm

    Poor for home energy
    • Avg
      RealFeel
      73°
    • Hi
      RealFeel
      79°
    • Wind
      Speed
      6 mph
    more
  • Sun

    Aug 30

    84°Lo 66°

    Warmer with some sun

    Poor for home energy
    • Avg
      RealFeel
      80°
    • Hi
      RealFeel
      94°
    • Wind
      Speed
      2 mph
  • Mon

    Aug 31

    87°Lo 68°

    Sunny, warm and humid

    Poor for home energy
    • Avg
      RealFeel
      80°
    • Hi
      RealFeel
      94°
    • Wind
      Speed
      7 mph
    more
  • Tue

    Sep 1

    88°Lo 68°

    Mostly sunny, warm and humid

    Poor for home energy
    • Avg
      RealFeel
      78°
    • Hi
      RealFeel
      91°
    • Wind
      Speed
      8 mph
    more
  • Wed

    Sep 2

    88°Lo 67°

    Mostly sunny and very warm

    Poor for home energy
    • Avg
      RealFeel
      79°
    • Hi
      RealFeel
      92°
    • Wind
      Speed
      6 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
1am
2am 3am 4am 5am 6am 7am 8am
  1am 2am 3am 4am 5am 6am 7am 8am
Forecast
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Sunny
Partly Sunny
Temp (°F) 68° 67° 67° 66° 66° 66° 66° 67°
RealFeel® 68° 67° 67° 66° 68° 68° 69° 72°
Humidity 92% 91% 92% 92% 91% 91% 92% 92%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Rain
 
29%
 
20%
 
20%
 
20%
 
20%
 
20%
 
16%
 
7%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Wind (mph) 4 SE 4 SE 4 SE 2 SE 0 0 0 0
UV Index 0 0 0 0 0 0 0 1
Cloud Cover 26% 26% 26% 26% 26% 26% 26% 45%
Dew Point 65° 64° 64° 64° 63° 63° 64° 65°
Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Aug 30

more Historical Weather Data >
  Today Normal Record 8/30/2014
High 84° 82° 99° (1925) 84°
Low 66° 60° 33° (1915) 67°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:19 AM with 13:13 of sunlight, then sets at 7:32 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:07 PM with 12:25 of moolight, then sets at 8:32 AM

Ottawa Weather Report

Chicago: Stray Shower May Interrupt Otherwise Ideal Weekend Conditions

August 29, 2015; 4:28 AM ET

Chicago is in store for near-ideal weekend conditions after a brief shower hits the area on Saturday. 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