• Tonight

    May 23

    Lo 37°

    Clear and chilly

    Dust & Dander Weather
    • Grass
      Pollen
      12 - Moderate
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      350 - High

  • Fri

    May 24

    68°Lo 44°

    Mostly sunny

    Very High indoor dust & dander levels
    • Grass
      Pollen
      12 - Moderate
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      350 - High
    more

  • Sat

    May 25

    64°Lo 50°

    A thunderstorm in spots

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      12 - Moderate
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      350 - High
    more

  • Sun

    May 26

    64°Lo 54°

    Chance of a shower

    Extreme indoor dust & dander levels
    • Precip
      30%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      70%
    more

  • Mon

    May 27

    70°Lo 60°

    Mostly cloudy with a t-storm

    Extreme indoor dust & dander levels
    • Precip
      55%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      94%
    more
Next Previous
Hi 60° RealFeel® 56° Precipitation 50%

Day

N

E

S

W

  • NNE 12 mph
  • Gusts: 28 mph

Breezy and cooler; cloudy with a shower this morning followed by clouds giving way to some sun

  • Max UV Index: 3 (Moderate)
  • Thunderstorms: 20%
  • 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 37° RealFeel® 35° Precipitation 1%

Night

N

E

S

W

  • NNE 6 mph
  • Gusts: 20 mph

Clear and chilly

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • 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 - May 23

  • Extreme
  • Very High
  • High
  • Moderate
  • Low

  • Grass

    Pollen

    Moderate

  • Weed

    Pollen

    Moderate

  • Tree

    Pollen

    High

  • Mold

    Pollen

    Low

Temperature History - May 23

more Historical Weather Data >
  Today Normal Record 5/23/2012
High 60° 74° N/A 83°
Low 37° 53° N/A 56°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:30 AM with 14:45 of sunlight, then sets at 8:15 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:46 PM with 10:15 of moolight, then sets at 5:01 AM

Smoke Alert: The Hidden Dangers of E-Cigarettes

May 20, 2013; 5:00 AM ET E-cigarette manufacturers claim the devices can help a person quit smoking but have those claims ever been proven?

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps