• Today

    Sep 1

    90°Lo 71°

    Hazy sun, a t-storm in spots

    Very Good for lawn mowing
    • Hours of Precip
      1
    • Precip
      40%
    • Hi
      RealFeel
      97°
    more
  • Wed

    Sep 2

    91°Lo 71°

    Fog in the a.m.; partly sunny

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      8%
    • Hi
      RealFeel
      98°
    more
  • Thu

    Sep 3

    90°Lo 69°

    Warm and humid with some sun

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      10%
    • Hi
      RealFeel
      101°
    more
  • Fri

    Sep 4

    89°Lo 68°

    Mostly sunny and very warm

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      7%
    • Hi
      RealFeel
      99°
    more
  • Sat

    Sep 5

    87°Lo 65°

    Sunny, very warm and humid

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      6%
    • Hi
      RealFeel
      94°
Next Previous
Sunny 87° Lo 81° RealFeel® 94° / 82°

N

E

S

W

  • Precipitation: 6%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 55%
  • Cloud Cover: 19%
  • Dew Point: 67° F
  • Visibility: 10 mi
5 mph

Temperature History - Sep 5

more Historical Weather Data >
  Today Normal Record 9/5/2014
High 87° 80° N/A N/A
Low 65° 57° N/A N/A

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:27 AM with 12:56 of sunlight, then sets at 7:23 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:12 PM with 22:58 of moolight, then sets at 2:11 PM

Peru Weather Report

Chicago: More Foggy Mornings in Store as Heat Holds on

September 1, 2015; 4:41 AM ET

Chicagoans can expect to begin September with a stretch of higher temperatures, increasing humidity and more foggy mornings. more >

Why Do Leaves Change Color?

Sep 20, 2011; 5:00 AM ET Why do leaves change from green to beautiful shades of red, orange and yellow in the fall?

Sat. Degree Days

Sat. Evapotranspiration