• Tonight

    Jul 29

    Lo 61°

    Cooler; a shower this evening

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      74°
    • Hi
      RealFeel
      88°
    • Wind
      Speed
      10 mph
    more
  • Thu

    Jul 30

    85°Lo 62°

    Sunny and delightful

    Poor for home energy
    • Avg
      RealFeel
      75°
    • Hi
      RealFeel
      88°
    • Wind
      Speed
      9 mph
    more
  • Fri

    Jul 31

    86°Lo 60°

    A t-storm around in the p.m.

    Poor for home energy
    • Avg
      RealFeel
      74°
    • Hi
      RealFeel
      89°
    • Wind
      Speed
      9 mph
    more
  • Sat

    Aug 1

    82°Lo 63°

    Sunny and beautiful

    Poor for home energy
    • Avg
      RealFeel
      74°
    • Hi
      RealFeel
      87°
    • Wind
      Speed
      8 mph
    more
  • Sun

    Aug 2

    85°Lo 69°

    Periods of sun with a t-storm

    Poor for home energy
    • Avg
      RealFeel
      83°
    • Hi
      RealFeel
      96°
    • Wind
      Speed
      9 mph
Next Previous
A shower or thunderstorm possible 85° Lo 80° RealFeel® 96° / 85°

N

E

S

W

  • Precipitation: 55%
  • Rain: 0.09 in
  • Snow: 0 in
  • Humidity: 77%
  • Cloud Cover: 70%
  • Dew Point: 75° F
  • Visibility: 9 mi
9 mph

Temperature History - Aug 2

more Historical Weather Data >
  Today Normal Record 8/2/2014
High 85° 83° 100° (1940) 83°
Low 69° 64° 44° (1920) 59°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:51 AM with 14:20 of sunlight, then sets at 8:11 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:35 PM with 12:06 of moolight, then sets at 9:41 AM

Ottawa Weather Report

Chicago: Pleasant Weather Conditions Into Late Week

July 29, 2015; 4:45 PM ET

The Chicago area will have pleasant weather conditions heading into the weekend. 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