• Thu

    Sep 3

    88°Lo 65°

    Sunshine and very warm

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

    Sep 4

    87°Lo 63°

    Sunny and very warm

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

    Sep 5

    86°Lo 65°

    Warm with plenty of sunshine

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

    Sep 6

    85°Lo 62°

    Partly sunny and warm

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

    Sep 7

    86°Lo 66°

    Partly sunny and warm

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 85° RealFeel® 84° Precipitation 25%

Day

N

E

S

W

  • E 9 mph
  • Gusts: 14 mph

Partly sunny and warm

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 24%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 62° RealFeel® 61° Precipitation 25%

Night

N

E

S

W

  • E 7 mph
  • Gusts: 10 mph

Partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 24%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Sep 6

more Historical Weather Data >
  Today Normal Record 9/6/2014
High 85° 80° 101° (1922) 78°
Low 62° 58° 40° (1924) 55°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:26 AM with 12:54 of sunlight, then sets at 7:20 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:21 AM with 14:44 of moolight, then sets at 3:05 PM

Ottawa Weather Report

Chicago: Heat, Humidity to Build Through Week

August 29, 2015; 1:26 PM ET

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