• Today

    Sep 17

    69°Lo 44°

    Mostly sunny and pleasant

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

    Sep 18

    66°Lo 48°

    Mostly sunny and beautiful

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
  • Fri

    Sep 19

    73°Lo 60°

    Times of clouds and sun

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Sat

    Sep 20

    78°Lo 58°

    A couple of thunderstorms

    Low ragweed pollen levels
    • Precip
      70%
    • Wind
      Speed
      12 mph
    • Cloud
      Cover
      78%
    more
  • Sun

    Sep 21

    73°Lo 52°

    Chance of a morning shower

    Ragweed Pollen Weather
    • Precip
      30%
    • Wind
      Speed
      10 mph
    • Cloud
      Cover
      20%
    more
Next Previous
Mostly sunny 66° Lo 58° RealFeel® 69° / 56°

N

E

S

W

  • Precipitation: 0%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 68%
  • Cloud Cover: 19%
  • Dew Point: 53° F
  • Visibility: 10 mi
5 mph

Temperature History - Sep 18

more Historical Weather Data >
  Today Normal Record 9/18/2013
High 66° 72° N/A 78°
Low 48° 48° N/A 52°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:37 AM with 12:22 of sunlight, then sets at 6:59 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:25 AM with 14:29 of moolight, then sets at 3:54 PM

Top Story

Harvard Weather Report

Chicago: Cooler, Fall-Like Temperatures to Linger

September 17, 2014; 1:12 AM ET

The cooler, below-average conditions responsible for the fall-like feel will hold through the end of the week over the Chicago area. more >

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps