• Today

    Aug 31

    87°Lo 70°

    Fog in the a.m.; mostly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Tue

    Sep 1

    89°Lo 71°

    Mostly sunny, warm and humid

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Wed

    Sep 2

    90°Lo 70°

    Partly sunny and hot

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Thu

    Sep 3

    90°Lo 69°

    Mostly sunny and very warm

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Fri

    Sep 4

    89°Lo 69°

    Mostly sunny and very warm

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Mainly clear 73° Lo 71° RealFeel® 75° / 71°

N

E

S

W

  • Precipitation: 7%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 85%
  • Cloud Cover: 11%
  • Dew Point: 67° F
  • Visibility: 10 mi
5 mph

Temperature History - Sep 1

more Historical Weather Data >
  Today Normal Record 9/1/2014
High 89° 81° N/A N/A
Low 71° 58° N/A N/A

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:23 AM with 13:07 of sunlight, then sets at 7:30 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:25 PM with 13:33 of moolight, then sets at 10:58 AM

Peru Weather Report

Chicago: Heat, Humidity to Build Through Week

August 31, 2015; 3:00 AM ET

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

Tue. Pollen

Tue. Dust & Dander

Tue. Wind Maps