• Today

    Sep 3

    90°Lo 69°

    Clouds and sun; hot and humid

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

    Sep 4

    90°Lo 69°

    A thunderstorm in spots

    Poor for home energy
    • Avg
      RealFeel
      85°
    • Hi
      RealFeel
      100°
    • Wind
      Speed
      5 mph
    more
  • Sat

    Sep 5

    90°Lo 70°

    Partly sunny and very warm

    Poor for home energy
    • Avg
      RealFeel
      84°
    • Hi
      RealFeel
      99°
    • Wind
      Speed
      6 mph
  • Sun

    Sep 6

    91°Lo 73°

    Partly sunny and hot

    Fair for home energy
    • Avg
      RealFeel
      85°
    • Hi
      RealFeel
      94°
    • Wind
      Speed
      8 mph
    more
  • Mon

    Sep 7

    85°Lo 67°

    Mainly cloudy with a t-storm

    Poor for home energy
    • Avg
      RealFeel
      79°
    • Hi
      RealFeel
      92°
    • Wind
      Speed
      8 mph
    more
Next Previous
Partly sunny 90° Lo 83° RealFeel® 99° / 85°

N

E

S

W

  • Precipitation: 25%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 57%
  • Cloud Cover: 29%
  • Dew Point: 70° F
  • Visibility: 10 mi
6 mph

Temperature History - Sep 5

more Historical Weather Data >
  Today Normal Record 9/5/2014
High 90° 80° 103° (1899) 88°
Low 70° 58° 42° (1974) 57°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:25 AM with 12:57 of sunlight, then sets at 7:22 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:42 AM with 2:27 of moolight, then sets at 2:10 PM

Ottawa Weather Report

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

September 3, 2015; 5:10 AM 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.

Sat. Home Energy Efficiency

Sat. Degree Days

Sat. UV Index