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    • Tonight

      Oct 18

      47° Lo
      Clear to partly cloudy
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Thu

      Oct 19

      72° /50°F
      Clear and pleasant
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
    • Fri

      Oct 20

      76° /55°
      Partly cloudy and pleasant
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Sat

      Oct 21

      74° /60°
      Partly cloudy and breezy
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Sun

      Oct 22

      66° /49°
      Showers around; not as warm
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More

    Day

    72°Hi RealFeel® 75° Precipitation 3%
    Clear and pleasant
    • Winds from the
    • SSW 5 mph
    • Gusts: 7 mph
    • Max UV Index: 3 (Moderate)
    • 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

    50°Lo RealFeel® 49° Precipitation 1%
    Clear
    • Winds from the
    • SSE 5 mph
    • Gusts: 7 mph
    • Max UV Index: N/A
    • Thunderstorms: 0%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Ottawa Pollen Levels Oct 19

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

      Low

    • Ragweed Pollen

      Low

    • Mold

      High

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 10/19/2016
    High 72° 64° 86° (1953) 70°
    Low 50° 41° 22° (1972) 49°

    Sunrise/Sunset

    • Sunrise: 7:11 AM
    • Sunset: 6:09 PM
    • Duration: 10:58 hr

    Moonrise/Moonset

    • Moonrise: 6:51 AM
    • Moonset: 6:30 PM
    • Duration: 11:39 hr
    Astronomy

    Thu. Pollen

    Thu. Dust & Dander

    Thu. Wind Maps