• Sunny 64°
    Dust & Dander Current Weather
    • Relative Humidity
      34%
    • Yesterday
      Temp
      59°
    • RealFeel
      67°
  • Today

    Apr 18

    Hi 63°

    Sunny

    Low indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    Day Details >
  • Tomorrow

    Apr 19

    Hi 69°

    Mostly sunny and breezy

    Moderate indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    Day Details >
  • Sunday

    Apr 20

    Hi 76°

    Partly sunny

    Low indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    Day Details >
Next

Thunderstorms Monday

4/18 4/19 Now: 4:46pm
PM 4-8
  • 4pm Sunny 62° 0%
  • 5pm Mostly sunny 62° 0%
  • 6pm Mostly sunny 60° 0%
  • 7pm Partly sunny 57° 0%
  • 8pm Mostly clear 53° 0%
AM 3-8
  • 3am Mostly clear 41° 0%
  • 4am Mostly clear 41° 0%
  • 5am Mostly clear 40° 0%
  • 6am Mostly clear 39° 0%
  • 7am Mostly sunny 39° 0%
  • 8am Mostly sunny 42° 0%
AM 9-2
  • 9am Mostly sunny 45° 0%
  • 10am Mostly sunny 52° 0%
  • 11am Mostly sunny 58° 0%
  • 12pm Mostly sunny 60° 0%
  • 1pm Mostly sunny 63° 0%
  • 2pm Mostly sunny 67° 0%
Hourly Forecast >

Ottawa Pollen Levels - April 18

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Moderate

  • Mold

    Pollen

    Low

Loading...

Top Story

Ottawa Weather Report

Chicago: Weekend Warmth on the Way

April 18, 2014; 4:14 AM ET

Despite a chilly Friday, seasonal warmth will return to the city right in time for the holiday weekend. more >

Allergies Live Feed

    Loading...

    Loading...

    Loading...

Is it a Cold or the Flu?

Apr 7, 2014; 5:00 AM ET Symptoms caused by the common cold can often resemble those associated with the influenza virus, so how do you differentiate between the two?

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps