• Today

    Sep 19

    81°Lo 67°

    Warmer with clouds and sun

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

    Sep 20

    87°Lo 62°

    A t-storm in the afternoon

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

    Sep 21

    80°Lo 51°

    Partly sunny and less humid

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

    Sep 22

    76°Lo 54°

    Mostly sunny

    Moderate ragweed pollen levels
    • Precip
      4%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      18%
    more
  • Tue

    Sep 23

    77°Lo 58°

    Sun and some clouds

    Ragweed Pollen Weather
    • Precip
      19%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      42%
    more
Next Previous
Hi 87° RealFeel® 91° Precipitation 55%

Day

N

E

S

W

  • WSW 8 mph
  • Gusts: 13 mph

Mostly cloudy and humid; an afternoon shower or thunderstorm around

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 60%
  • Precipitation: 0.05 in
  • Rain: 0.05 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs
Lo 62° RealFeel® 60° Precipitation 56%

Night

N

E

S

W

  • NNW 4 mph
  • Gusts: 7 mph

Mostly cloudy with a shower or thunderstorm around

  • Max UV Index: N/A
  • Thunderstorms: 60%
  • Precipitation: 0.14 in
  • Rain: 0.14 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs

Ottawa Pollen Levels - September 20

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

    Pollen

    Low

  • Weed

    Pollen

    Moderate

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Sep 20

more Historical Weather Data >
  Today Normal Record 9/20/2013
High 87° 77° 97° (1931) 74°
Low 62° 55° 37° (1918) 50°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:07 AM with 12:15 of sunlight, then sets at 7:22 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:49 AM with 13:35 of moolight, then sets at 5:24 PM

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps