• Today

    Sep 1

    89°Lo 68°

    Warm with decreasing clouds

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

    Sep 2

    88°Lo 69°

    Fog in the a.m.; partly sunny

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

    Sep 3

    85°Lo 66°

    Partly sunny, warm and humid

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

    Sep 4

    87°Lo 66°

    Mostly sunny, warm and humid

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

    Sep 5

    85°Lo 64°

    Mostly sunny, warm and humid

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Partly sunny 87° Lo 81° RealFeel® 97° / 86°

N

E

S

W

  • Precipitation: 16%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 61%
  • Cloud Cover: 33%
  • Dew Point: 70° F
  • Visibility: 10 mi
4 mph

Temperature History - Sep 4

more Historical Weather Data >
  Today Normal Record 9/4/2014
High 87° 79° 93° (2012) 81°
Low 66° 57° 41° (1974) 67°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:23 AM with 13:01 of sunlight, then sets at 7:24 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:31 PM with 14:40 of moolight, then sets at 2:11 PM

DeKalb Weather Report

Chicago: More Foggy Mornings in Store as Heat Holds on

September 1, 2015; 3:41 PM ET

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

Fri. Dust & Dander

Fri. Wind Maps