• Today

    Sep 3

    91°Lo 69°

    Hot and humid with some sun

    Fair for home energy
    • Avg
      RealFeel
      84°
    • Hi
      RealFeel
      98°
    • Wind
      Speed
      7 mph
  • Fri

    Sep 4

    90°Lo 69°

    A thunderstorm in spots

    Poor for home energy
    • Avg
      RealFeel
      85°
    • Hi
      RealFeel
      101°
    • Wind
      Speed
      4 mph
    more
  • Sat

    Sep 5

    90°Lo 69°

    Partly sunny and very warm

    Poor for home energy
    • Avg
      RealFeel
      86°
    • Hi
      RealFeel
      101°
    • Wind
      Speed
      4 mph
    more
  • Sun

    Sep 6

    92°Lo 73°

    Partly sunny and hot

    Fair for home energy
    • Avg
      RealFeel
      85°
    • Hi
      RealFeel
      97°
    • Wind
      Speed
      9 mph
    more
  • Mon

    Sep 7

    86°Lo 67°

    Rather cloudy with a t-storm

    Poor for home energy
    • Avg
      RealFeel
      79°
    • Hi
      RealFeel
      92°
    • Wind
      Speed
      7 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
7pm
8pm 9pm 10pm 11pm Fri
12am
1am 2am
  7pm 8pm 9pm 10pm 11pm 12am 1am 2am
Forecast
Partly Sunny
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°F) 84° 81° 79° 77° 75° 74° 73° 72°
RealFeel® 89° 86° 84° 82° 78° 77° 76° 75°
Humidity 68% 73% 80% 82% 83% 87% 87% 87%
   
  7pm 8pm 9pm 10pm 11pm 12am 1am 2am
Rain
 
4%
 
7%
 
7%
 
7%
 
7%
 
7%
 
7%
 
7%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
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0%
   
  7pm 8pm 9pm 10pm 11pm 12am 1am 2am
Wind (mph) 5 SW 4 SW 4 SW 4 SW 4 SW 4 SW 4 SW 4 SW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 46% 46% 46% 46% 46% 46% 46% 46%
Dew Point 72° 71° 72° 71° 69° 70° 69° 68°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - Sep 3

more Historical Weather Data >
  Today Normal Record 9/3/2014
High 91° 81° 98° (1925) 85°
Low 69° 59° 42° (1974) 63°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:23 AM with 13:02 of sunlight, then sets at 7:25 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:46 PM with 14:24 of moolight, then sets at 1:10 PM

Ottawa Weather Report

Chicago: Sun, Humidity to Grip Region Before Stormy Labor Day

September 3, 2015; 12:03 PM ET

As the Labor Day weekend shapes up, Chicago residents will see mostly sunny and humid conditions until the holiday itself on Monday. 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