• Tonight

    Aug 4

    Lo 59°

    Patchy clouds

    Ragweed Pollen Weather
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      3 - Moderate
    more
  • Wed

    Aug 5

    84°Lo 63°

    Partly sunny

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

    Aug 6

    83°Lo 64°

    Times of clouds and sun

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

    Aug 7

    84°Lo 66°

    Some sun, a t-storm; humid

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

    Aug 8

    87°Lo 67°

    Mostly sunny and humid

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Partly cloudy 71° Lo 66° RealFeel® 75° / 65°

N

E

S

W

  • Precipitation: 16%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 84%
  • Cloud Cover: 33%
  • Dew Point: 64° F
  • Visibility: 9 mi
5 mph

Temperature History - Aug 7

more Historical Weather Data >
  Today Normal Record 8/7/2014
High 84° 83° 103° (1918) 78°
Low 66° 63° 48° (1893) 64°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:56 AM with 14:09 of sunlight, then sets at 8:05 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:05 AM with 14:11 of moolight, then sets at 2:16 PM

Ottawa Weather Report

Chicago: Cooler Conditions to Last Through Week

August 4, 2015; 3:07 PM ET

The Chicagoland area will experience cooler weather throughout the week. more >

Fri. Dust & Dander

Fri. Wind Maps