• Tonight

    May 22

    Lo 59°

    A strong evening thunderstorm

    Dust & Dander Weather
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
  • Thu

    May 23

    66°Lo 39°

    A couple of thunderstorms

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
    more
  • Fri

    May 24

    62°Lo 40°

    Mostly sunny and breezy

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
    more
  • Sat

    May 25

    65°Lo 43°

    Cool with periods of sun

    Extreme indoor dust & dander levels
    • Precip
      0%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      46%
    more
  • Sun

    May 26

    65°Lo 46°

    Partly sunny and pleasant

    Very High indoor dust & dander levels
    • Precip
      10%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      43%
    more
Next Previous
Hi 78° RealFeel® 79° Precipitation 55%

Day

N

E

S

W

  • SSW 12 mph
  • Gusts: 32 mph

Not as warm; a few strong p.m. t-storms; storms can bring downpours, large hail and damaging winds

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 91%
  • Precipitation: 0.08 in
  • Rain: 0.08 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 59° RealFeel® 54° Precipitation 50%

Night

N

E

S

W

  • SW 8 mph
  • Gusts: 18 mph

A strong thunderstorm this evening; otherwise, considerable cloudiness

  • Max UV Index: N/A
  • Thunderstorms: 91%
  • Precipitation: 0.3 in
  • Rain: 0.3 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs

Ottawa Pollen Levels - May 22

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    High

  • Mold

    Pollen

    Low

Temperature History - May 22

more Historical Weather Data >
  Today Normal Record 5/22/2012
High 78° 73° N/A 75°
Low 59° 52° N/A 57°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:12 AM with 14:42 of sunlight, then sets at 8:54 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:13 PM with 10:43 of moolight, then sets at 4:56 AM

Top Story

Ottawa Weather Report

Severe Weather Targets Detroit, Cleveland, Albany Wednesday

May 22, 2013; 7:15 PM ET

The focus for severe storms will move into the Ohio Valley and resume over New York state on Wednesday. more >

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