• Some clouds 71°
    Ragweed Pollen Current Weather
    • Relative Humidity
      88%
    • Yesterday
      Temp
      66°
    • RealFeel
      73°
  • Early AM

    Jul 24

    Lo 66°

    Partly to mostly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    Day Details >
  • Today

    Jul 24

    Hi 75°

    Cooler with periods of sun

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    Day Details >
  • Tomorrow

    Jul 25

    Hi 77°

    Mostly sunny and pleasant

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    Day Details >
Next

Thunderstorms, some strong, Friday afternoon through late Friday night

7/23 7/24 Now: 4:26am
AM 4-8
  • 4am Intermittent clouds 71° 11%
  • 5am Intermittent clouds 69° 11%
  • 6am Intermittent clouds 67° 11%
  • 7am Intermittent clouds 66° 7%
  • 8am Intermittent clouds 66° 0%
PM 3-8
  • 3pm Partly sunny 75° 0%
  • 4pm Partly sunny 74° 0%
  • 5pm Partly sunny 74° 0%
  • 6pm Partly sunny 73° 0%
  • 7pm Partly sunny 70° 0%
  • 8pm Mostly sunny 67° 0%
PM 9-2
  • 9pm Mostly clear 64° 0%
  • 10pm Mostly clear 62° 0%
  • 11pm Mostly clear 59° 0%
  • 12am Mostly clear 58° 0%
  • 1am Mostly clear 57° 0%
  • 2am Mostly clear 56° 0%
Hourly Forecast >

Ottawa Pollen Levels - July 24

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

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Top Story

Ottawa Weather Report

Chicago: Cooler, Less Humid to Close Out Week

July 23, 2014; 4:52 AM ET

The second half of the week looks to be noticeably cooler and less humid in the Chicago area. more >

Allergies Live Feed

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Battling the Common Cold

Jun 23, 2014; 5:00 AM ET Marja Martinez talks about identifying and fighting the common cold.

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps