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    • Today

      Jan 18

      43° /32°
      Mostly cloudy and mild
      • 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
    • Thu

      Jan 19

      45° /39°F
      Mostly cloudy, afternoon rain
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
    • Fri

      Jan 20

      49° /45°
      A p.m. shower in places
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sat

      Jan 21

      58° /45°
      Periods of clouds and sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sun

      Jan 22

      54° /44°
      Cloudy and mild with a shower
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    45°Hi RealFeel® 42° Precipitation 79%
    Mostly cloudy and mild; periods of rain in the afternoon
    • ESE 6 mph
    • Gusts: 9 mph
    • Max UV Index: 1 (Low)
    • Thunderstorms: 4%
    • Precipitation: 0.49 in
    • Rain: 0.49 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 4 hrs
    • Hours of Rain: 4 hrs

    Night

    39°Lo RealFeel® 32° Precipitation 61%
    Cloudy with a little rain
    • SE 6 mph
    • Gusts: 9 mph
    • Max UV Index: N/A
    • Thunderstorms: 7%
    • Precipitation: 0.14 in
    • Rain: 0.14 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 2 hrs
    • Hours of Rain: 2 hrs

    Ottawa Pollen Levels Jan 19

    • 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 1/19/2016
    High 45° 31° 61° (1996) 16°
    Low 39° 15° -20° (1994) -1°

    Sunrise/Sunset

    • Sunrise: 7:17 AM
    • Sunset: 4:56 PM
    • Duration: 9:39 hr

    Moonrise/Moonset

    • Moonrise: 8:21 PM
    • Moonset: 11:22 AM
    • Duration: 15:00 hr
    Astronomy

    Thu. Pollen

    Thu. Dust & Dander

    Thu. Wind Maps