• Thu

    Sep 3

    77°Lo 62°

    Abundant sunshine

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      72°
    • Hi
      RealFeel
      83°
    • Wind
      Speed
      6 mph
  • Fri

    Sep 4

    79°Lo 58°

    Some sun, a t-storm or two

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      67°
    • Hi
      RealFeel
      82°
    • Wind
      Speed
      6 mph
    more
  • Sat

    Sep 5

    80°Lo 61°

    Partly sunny

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      71°
    • Hi
      RealFeel
      82°
    • Wind
      Speed
      4 mph
    more
  • Sun

    Sep 6

    81°Lo 60°

    Partly sunny

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      68°
    • Hi
      RealFeel
      81°
    • Wind
      Speed
      9 mph
    more
  • Mon

    Sep 7

    82°Lo 63°

    A morning thunderstorm or two

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      70°
    • Hi
      RealFeel
      80°
    • Wind
      Speed
      9 mph
    more
Next Previous
Hi 77° RealFeel® 83° Precipitation 5%

Day

N

E

S

W

  • W 4 mph
  • Gusts: 9 mph

Abundant sunshine

  • Max UV Index: 6 (High)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 62° RealFeel® 60° Precipitation 5%

Night

N

E

S

W

  • N 6 mph
  • Gusts: 13 mph

Clear

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Sep 3

more Historical Weather Data >
  Today Normal Record 9/3/2014
High 77° 81° 98° (1925) 85°
Low 62° 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: Cooler Conditions to Last Through Week

August 5, 2015; 12:21 AM ET

The Chicagoland area will experience cooler weather throughout the week. 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.