• Partly cloudy 65°
    Dust & Dander Current Weather
    • Relative Humidity
      51%
    • Yesterday
      Temp
      60°
    • RealFeel
      63°
  • Tonight

    Apr 19

    Lo 54°

    Partly cloudy

    Dust & Dander Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    Day Details >
  • Tomorrow

    Apr 20

    Hi 77°

    Mostly cloudy

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

    Apr 21

    Hi 71°

    A passing shower or two

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

Thunderstorms tomorrow night

4/19 4/20 Now: 9:39pm
PM 9-1
  • 9pm Intermittent clouds 65° 0%
  • 10pm Intermittent clouds 62° 0%
  • 11pm Intermittent clouds 60° 0%
  • 12am Intermittent clouds 60° 0%
  • 1am Intermittent clouds 59° 0%
AM 8-1
  • 8am Mostly cloudy 58° 0%
  • 9am Mostly cloudy 61° 0%
  • 10am Mostly cloudy 66° 1%
  • 11am Mostly cloudy 70° 4%
  • 12pm Mostly cloudy 71° 4%
  • 1pm Mostly cloudy 73° 5%
PM 2-7
  • 2pm Mostly cloudy 75° 7%
  • 3pm Mostly cloudy 76° 7%
  • 4pm Mostly cloudy 77° 7%
  • 5pm Mostly cloudy 77° 7%
  • 6pm Mostly cloudy 76° 7%
  • 7pm Cloudy 73° 10%
Hourly Forecast >

Ottawa Pollen Levels - April 19

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Moderate

  • Mold

    Pollen

    Low

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Allergies Live Feed

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Is it a Cold or the Flu?

Apr 19, 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?

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps