• Today

    Aug 28

    74°Lo 64°

    Some sun, then clouds; warmer

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

    Aug 29

    78°Lo 65°

    Couple of showers, thunder

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

    Aug 30

    84°Lo 65°

    Partly sunny and humid

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

    Aug 31

    87°Lo 65°

    Sunny, warm and humid

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

    Sep 1

    88°Lo 67°

    Partly sunny and very warm

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 74° RealFeel® 76° Precipitation 25%

Day

N

E

S

W

  • SSE 6 mph
  • Gusts: 12 mph

Some sun, then turning cloudy and warmer

  • Max UV Index: 6 (High)
  • Thunderstorms: 7%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 64° RealFeel® 59° Precipitation 76%

Night

N

E

S

W

  • ESE 9 mph
  • Gusts: 13 mph

Cloudy with a couple of showers late

  • Max UV Index: N/A
  • Thunderstorms: 28%
  • Precipitation: 0.17 in
  • Rain: 0.17 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs

Ottawa Pollen Levels - August 28

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Grass Pollen

    Low

  • Tree Pollen

    Low

  • Ragweed Pollen

    Low

  • Mold Pollen

    Low

Temperature History - Aug 28

more Historical Weather Data >
  Today Normal Record 8/28/2014
High 74° 82° 97° (1955) 82°
Low 64° 61° 36° (1915) 64°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:17 AM with 13:18 of sunlight, then sets at 7:35 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:48 PM with 11:16 of moolight, then sets at 6:04 AM

Ottawa Weather Report

Chicago: Stray Shower May Interrupt Otherwise Ideal Weekend Conditions

August 28, 2015; 8:08 AM ET

Chicago is in store for near-ideal weekend conditions after a brief shower hits the area on Saturday. more >

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps