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    • Today

      Oct 19

      80° /54°
      Sunshine and pleasant
      • 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
    • Fri

      Oct 20

      76° /65°F
      Mostly sunny and breezy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
    • Sat

      Oct 21

      75° /51°
      Showers and a heavier t-storm
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sun

      Oct 22

      65° /43°
      A full day of sunshine
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Mon

      Oct 23

      73° /46°
      Mostly sunny and nice
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More

    Day

    76°Hi RealFeel® 75° Precipitation 3%
    Mostly sunny, breezy and pleasant
    • Winds from the
    • S 15 mph
    • Gusts: 24 mph
    • Max UV Index: 4 (Moderate)
    • Thunderstorms: 9%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    65°Lo RealFeel® 59° Precipitation 55%
    Partly cloudy, breezy and mild with a shower or thunderstorm around late
    • Winds from the
    • S 15 mph
    • Gusts: 22 mph
    • Max UV Index: N/A
    • Thunderstorms: 42%
    • Precipitation: 0.05 in
    • Rain: 0.05 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0.5 hrs
    • Hours of Rain: 0.5 hrs

    Ottawa Pollen Levels Oct 20

    • 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 10/20/2016
    High 76° 66° 90° (2003) 61°
    Low 65° 44° 23° (2011) 38°

    Sunrise/Sunset

    • Sunrise: 7:35 AM
    • Sunset: 6:36 PM
    • Duration: 11:01 hr

    Moonrise/Moonset

    • Moonrise: 8:15 AM
    • Moonset: 7:31 PM
    • Duration: 11:16 hr
    Astronomy

    Fri. Pollen

    Fri. Dust & Dander

    Fri. Wind Maps