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    • Today

      Dec 8

      30° /21°F
      Mostly cloudy and colder
      • 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
    • Fri

      Dec 9

      31° /18°
      Clouds and sun, a snow shower
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sat

      Dec 10

      29° /22°
      Cold with periods of sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sun

      Dec 11

      33° /29°
      On-and-off snow, 1-3"
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Mon

      Dec 12

      34° /23°
      A bit of morning snow; cloudy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    30°Hi RealFeel® 16° Precipitation 13%
    Breezy and colder with clouds and sunny spells
    • W 16 mph
    • Gusts: 34 mph
    • Max UV Index: 1 (Low)
    • Thunderstorms: 0%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    21°Lo RealFeel® 3° Precipitation 55%
    Mostly cloudy, breezy and cold; a couple of late-night flurries
    • W 15 mph
    • Gusts: 22 mph
    • Max UV Index: N/A
    • Thunderstorms: 0%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0.0 in
    • Ice: 0 in
    • Hours of Precipitation: 1 hrs
    • Hours of Rain: 0 hrs

    Ottawa Pollen Levels Dec 8

    • Extreme
    • Very High
    • High
    • Moderate
    • Low
    • Tree Pollen

      Low

    • Ragweed Pollen

      Low

    • Mold

      Low

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 12/8/2015
    High 30° 39° 65° (1966) 50°
    Low 21° 25° (2005) 35°

    Sunrise/Sunset

    • Sunrise: 7:49 AM
    • Sunset: 5:08 PM
    • Duration: 9:19 hr

    Moonrise/Moonset

    • Moonrise: 1:48 PM
    • Moonset: 2:19 AM
    • Duration: 12:31 hr
    Astronomy

    Thu. Pollen

    Thu. Dust & Dander

    Thu. Wind Maps