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    • Today

      Aug 23

      80° /56°F
      Sunny and beautiful
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • High
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: High
      • Tree Pollen: Low
    • Thu

      Aug 24

      81° /60°
      Sunny and delightful
      • High
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: High
      • Tree Pollen: Low
      More
    • Fri

      Aug 25

      81° /62°
      Partly sunny
      • High
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: High
      • Tree Pollen: Low
      More
    • Sat

      Aug 26

      82° /64°
      Partly sunny
      • High
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: High
      • Tree Pollen: Low
      More
    • Sun

      Aug 27

      82° /62°
      Sunshine and comfortable
      • High
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: High
      • Tree Pollen: Low
      More

    Day

    80°Hi RealFeel® 89° Precipitation 2%
    Beautiful with a full day of sunshine
    • Winds from the
    • ENE 5 mph
    • Gusts: 7 mph
    • Max UV Index: 11 (Extreme)
    • Thunderstorms: 15%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    56°Lo RealFeel® 56° Precipitation 0%
    Clear
    • Winds from the
    • SE 5 mph
    • Gusts: 7 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 Aug 23

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

      Low

    • Ragweed Pollen

      High

    • Mold

      High

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 8/23/2016
    High 80° 87° 105° (2000) 87°
    Low 56° 65° 49° (1923) 64°

    Sunrise/Sunset

    • Sunrise: 6:42 AM
    • Sunset: 8:05 PM
    • Duration: 13:23 hr

    Moonrise/Moonset

    • Moonrise: 8:38 AM
    • Moonset: 9:26 PM
    • Duration: 12:48 hr
    Astronomy

    Wed. Pollen

    Wed. Dust & Dander

    Wed. Wind Maps