• Today

    Aug 1

    81°Lo 58°

    Sunny intervals, a t-storm

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

    Aug 2

    82°Lo 60°

    Partly sunny

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

    Aug 3

    83°Lo 62°

    Mostly sunny

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

    Aug 4

    83°Lo 62°

    Nice with partial sunshine

    Low ragweed pollen levels
    • Precip
      25%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      45%
    more
  • Tue

    Aug 5

    84°Lo 64°

    Partly sunny and humid

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      41%
    more
Next Previous
Hi 82° RealFeel® 89° Precipitation 25%

Day

N

E

S

W

  • NE 2 mph
  • Gusts: 4 mph

Partly sunny

  • Max UV Index: 7 (High)
  • 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 60° RealFeel® 59° Precipitation 7%

Night

N

E

S

W

  • ESE 2 mph
  • Gusts: 3 mph

Clear

  • 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

Ottawa Pollen Levels - August 2

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Aug 2

more Historical Weather Data >
  Today Normal Record 8/2/2013
High 82° 83° 100° (1940) 84°
Low 60° 64° 44° (1920) 53°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:51 AM with 14:20 of sunlight, then sets at 8:11 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:17 PM with 11:07 of moolight, then sets at 11:24 PM

Top Story

Ottawa Weather Report

Chicago: Showers, Thunderstorms to Linger into Next Week

August 1, 2014; 4:57 AM ET

Clouds and the chance for thunderstorms will continue to linger in the Chicago area into the weekend. more >

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps