• Today

    Sep 1

    85°Lo 65°

    A thunderstorm in the area

    Moderate ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
  • Tue

    Sep 2

    87°Lo 71°

    Partly sunny

    Moderate ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
    more
  • Wed

    Sep 3

    94°Lo 75°

    A couple of morning t-storms

    Moderate ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
    more
  • Thu

    Sep 4

    94°Lo 68°

    Sunny, breezy and hot

    Moderate ragweed pollen levels
    • Precip
      17%
    • Wind
      Speed
      13 mph
    • Cloud
      Cover
      0%
    more
  • Fri

    Sep 5

    82°Lo 63°

    Not as warm with a t-storm

    Ragweed Pollen Weather
    • Precip
      55%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      25%
    more
Next Previous
Hi 85° RealFeel® 94° Precipitation 60%

Day

N

E

S

W

  • WNW 7 mph
  • Gusts: 18 mph

A blend of sun and clouds with a shower or thunderstorm around; humid

  • Max UV Index: 6 (High)
  • Thunderstorms: 60%
  • Precipitation: 0.1 in
  • Rain: 0.1 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 65° RealFeel® 62° Precipitation 65%

Night

N

E

S

W

  • NNE 4 mph
  • Gusts: 9 mph

A couple of strong thunderstorms early this evening; partly cloudy, less humid late

  • Max UV Index: N/A
  • Thunderstorms: 91%
  • Precipitation: 0.3 in
  • Rain: 0.3 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs

Ottawa Pollen Levels - September 1

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

    Pollen

    Low

  • Weed

    Pollen

    Moderate

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Sep 1

more Historical Weather Data >
  Today Normal Record 9/1/2013
High 85° 84° 106° (2011) 89°
Low 65° 62° 41° (1956) 64°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:50 AM with 13:01 of sunlight, then sets at 7:51 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:32 PM with 10:25 of moolight, then sets at 11:57 PM

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps