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    • Today

      Sep 30

      66° /53°F
      A shower and t-storm around
      • 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
    • Sat

      Oct 1

      66° /55°
      Mostly cloudy with a t-storm
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sun

      Oct 2

      68° /54°
      A passing shower or two
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Mon

      Oct 3

      70° /54°
      Times of clouds and sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Tue

      Oct 4

      73° /54°
      Mostly sunny and pleasant
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    66°Hi RealFeel® 64° Precipitation 69%
    Breezy; morning showers followed by a couple of showers and a thunderstorm this afternoon
    • ENE 13 mph
    • Gusts: 22 mph
    • Max UV Index: 1 (Low)
    • Thunderstorms: 49%
    • Precipitation: 0.26 in
    • Rain: 0.26 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 4 hrs
    • Hours of Rain: 4 hrs

    Night

    53°Lo RealFeel® 52° Precipitation 75%
    Rather cloudy with a couple of showers
    • ESE 6 mph
    • Gusts: 10 mph
    • Max UV Index: N/A
    • Thunderstorms: 29%
    • Precipitation: 0.08 in
    • Rain: 0.08 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 2 hrs
    • Hours of Rain: 2 hrs

    Ottawa Pollen Levels Sep 30

    • 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 9/30/2015
    High 66° 70° 88° (1971) 66°
    Low 53° 48° 30° (1916) 52°

    Sunrise/Sunset

    • Sunrise: 7:33 AM
    • Sunset: 7:19 PM
    • Duration: 11:46 hr

    Moonrise/Moonset

    • Moonrise: 7:04 AM
    • Moonset: 7:24 PM
    • Duration: 12:20 hr
    Astronomy

    Fri. Pollen

    Fri. Dust & Dander

    Fri. Wind Maps