• Today

    May 21

    78°Lo 52°

    Clouds and breaks of sun

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more

  • Wed

    May 22

    74°Lo 50°

    Less humid with some sun

    Very High indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate

  • Thu

    May 23

    72°Lo 49°

    Partly sunny

    Very High indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more

  • Fri

    May 24

    73°Lo 55°

    A thunderstorm possible

    Very High indoor dust & dander levels
    • Precip
      30%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      46%
    more

  • Sat

    May 25

    78°Lo 62°

    Periods of sun with a t-storm

    Extreme indoor dust & dander levels
    • Precip
      56%
    • Wind
      Speed
      10 mph
    • Cloud
      Cover
      70%
    more
Next Previous
Hi 74° RealFeel® 74° Precipitation 25%

Day

N

E

S

W

  • WNW 9 mph
  • Gusts: 14 mph

Less humid with partial sunshine

  • Max UV Index: 7 (High)
  • Thunderstorms: 8%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 50° RealFeel® 46° Precipitation 18%

Night

N

E

S

W

  • NW 5 mph
  • Gusts: 10 mph

Partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 13%
  • 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 22

  • Extreme
  • Very High
  • High
  • Moderate
  • Low

  • Grass

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Moderate

  • Mold

    Pollen

    Low

Temperature History - May 22

more Historical Weather Data >
  Today Normal Record 5/22/2012
High 74° 76° 96° (1956) 84°
Low 50° 56° 41° (1963) 47°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:04 AM with 14:28 of sunlight, then sets at 8:32 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:56 PM with 10:51 of moolight, then sets at 4:47 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?

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps