• Tonight

    Aug 30

    Lo 63°

    Mainly clear; fog late

    Lawn Mowing Weather
    • Hours of Precip
      0
    • Precip
      3%
    • Hi
      RealFeel
      85°
    more
  • Mon

    Aug 31

    86°Lo 70°

    Sunny, warm and humid

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      10%
    • Hi
      RealFeel
      93°
  • Tue

    Sep 1

    88°Lo 71°

    Mostly sunny, warm and humid

    Very Good for lawn mowing
    • Hours of Precip
      1
    • Precip
      25%
    • Hi
      RealFeel
      94°
    more
  • Wed

    Sep 2

    90°Lo 69°

    Partly sunny and very warm

    Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      7%
    • Hi
      RealFeel
      96°
    more
  • Thu

    Sep 3

    89°Lo 69°

    Mostly sunny and very warm

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      8%
    • Hi
      RealFeel
      95°
    more
Next Previous
Clear 71° Lo 70° RealFeel® 71° / 70°

N

E

S

W

  • Precipitation: 9%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 87%
  • Cloud Cover: 8%
  • Dew Point: 67° F
  • Visibility: 10 mi
6 mph

Temperature History - Aug 31

more Historical Weather Data >
  Today Normal Record 8/31/2014
High 86° 82° 102° (1953) 84°
Low 70° 58° 41° (1967) 67°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:22 AM with 13:09 of sunlight, then sets at 7:31 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:46 PM with 13:01 of moolight, then sets at 9:47 AM

Peru Weather Report

Chicago: Heat, Humidity to Build Through Week

August 30, 2015; 6:00 PM ET

A turn to warmer conditions is in store for the Chicago area heading into the new week. 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?

Mon. Overnight Freeze

Mon. Degree Days

Mon. Evapotranspiration