• Early AM

    Sep 3

    Lo 71°

    A shower or thunderstorm

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      83°
    • Hi
      RealFeel
      97°
    • Wind
      Speed
      4 mph
    more
  • Today

    Sep 3

    90°Lo 71°

    Partly sunny, hot and humid

    Poor for home energy
    • Avg
      RealFeel
      85°
    • Hi
      RealFeel
      97°
    • Wind
      Speed
      4 mph
    more
  • Fri

    Sep 4

    90°Lo 70°

    A thunderstorm in spots

    Fair for home energy
    • Avg
      RealFeel
      86°
    • Hi
      RealFeel
      101°
    • Wind
      Speed
      6 mph
    more
  • Sat

    Sep 5

    89°Lo 72°

    Partly sunny and very warm

    Fair for home energy
    • Avg
      RealFeel
      84°
    • Hi
      RealFeel
      99°
    • Wind
      Speed
      7 mph
    more
  • Sun

    Sep 6

    91°Lo 73°

    Partly sunny and hot

    Fair for home energy
    • Avg
      RealFeel
      83°
    • Hi
      RealFeel
      94°
    • Wind
      Speed
      8 mph
Next Previous
Partly sunny 90° Lo 74° RealFeel® 93° / 73°

N

E

S

W

  • Precipitation: 5%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 48%
  • Cloud Cover: 23%
  • Dew Point: 61° F
  • Visibility: 10 mi
8 mph

Temperature History - Sep 6

more Historical Weather Data >
  Today Normal Record 9/6/2014
High 91° 80° N/A N/A
Low 73° 56° N/A N/A

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:28 AM with 12:53 of sunlight, then sets at 7:21 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:22 AM with 14:44 of moolight, then sets at 3:06 PM

Peru Weather Report

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

September 3, 2015; 3:20 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.

Sun. Home Energy Efficiency

Sun. Degree Days

Sun. UV Index