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    Weather This Weekend, Sep 30
    • Friday

      Sep 30

      66° /58°F
      Downpours in the afternoon
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Saturday

      Oct 1

      67° /54°
      A couple of showers
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sunday

      Oct 2

      70° /52°
      An a.m. shower; partly sunny
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Markham Weather Report

    Chilly winds to howl across Great Lakes early this week

    September 26, 2016; 4:43 PM ET

    Gusty winds will accompany a push of chilly air across the Great Lakes through Tuesday. More >

    Allergies Live Feed

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    Fri. Dust & Dander

    Fri. Wind Maps