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    • Today

      Sep 26

      69° /48°F
      Not as warm
      • 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
    • Tue

      Sep 27

      69° /47°
      Mostly sunny and breezy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Wed

      Sep 28

      62° /48°
      A passing shower or two
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Thu

      Sep 29

      67° /55°
      Variable clouds with a shower
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Fri

      Sep 30

      66° /54°
      A.M. showers, then a shower
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    69°Hi RealFeel® 68° Precipitation 69%
    Not as warm; cloudy this morning followed by clouds giving way to some sun
    • W 10 mph
    • Gusts: 21 mph
    • Max UV Index: 3 (Moderate)
    • Thunderstorms: 4%
    • Precipitation: 0.22 in
    • Rain: 0.22 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 2.5 hrs
    • Hours of Rain: 2.5 hrs

    Night

    48°Lo RealFeel® 44° Precipitation 19%
    Clear and cooler
    • SW 7 mph
    • Gusts: 13 mph
    • Max UV Index: N/A
    • Thunderstorms: 4%
    • 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 Sep 26

    • 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 9/26/2015
    High 69° 72° 90° (1998) 78°
    Low 48° 50° 27° (1940) 59°

    Sunrise/Sunset

    • Sunrise: 7:28 AM
    • Sunset: 7:25 PM
    • Duration: 11:57 hr

    Moonrise/Moonset

    • Moonrise: 3:05 AM
    • Moonset: 5:15 PM
    • Duration: 14:10 hr
    Astronomy

    Mon. Pollen

    Mon. Dust & Dander

    Mon. Wind Maps