• Early AM

    Aug 25

    Lo 70°

    A shower or heavy thunderstorm

    Ragweed Pollen Weather
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      5 - High
    • Tree
      Pollen
      1 - Low
    more
  • Today

    Aug 25

    81°Lo 60°

    Mostly cloudy with a t-storm

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

    Aug 26

    80°Lo 64°

    Periods of sun; less humid

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

    Aug 27

    82°Lo 69°

    Mostly cloudy with a t-storm

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

    Aug 28

    82°Lo 59°

    Mostly cloudy with a t-storm

    High ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      5 - High
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 81° RealFeel® 87° Precipitation 55%

Day

N

E

S

W

  • W 7 mph
  • Gusts: 12 mph

Mostly cloudy and humid with a shower or thunderstorm around

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 40%
  • Precipitation: 0.35 in
  • Rain: 0.35 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs
Lo 60° RealFeel® 60° Precipitation 15%

Night

N

E

S

W

  • NNW 4 mph
  • Gusts: 7 mph

Partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • 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 25

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Tree Pollen

    Low

  • Ragweed Pollen

    High

  • Mold

    High

  • Grass Pollen

    Low

Temperature History - Aug 25

more Historical Weather Data >
  Today Normal Record 8/25/2015
High 81° 82° 98° (1936) 74°
Low 60° 61° 39° (1923) 54°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:14 AM with 13:26 of sunlight, then sets at 7:40 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:52 PM with 14:30 of moolight, then sets at 2:22 PM

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps