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    • Today

      Feb 26

      54° /28°
      Clearing and milder
      • 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: High
      More
    • Mon

      Feb 27

      58° /48°F
      Fog in the morning; cloudy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: High
    • Tue

      Feb 28

      71° /32°
      Mostly cloudy and warmer
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: High
      More
    • Wed

      Mar 1

      53° /28°
      Mainly cloudy; breezy, cooler
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: High
      More
    • Thu

      Mar 2

      55° /22°
      A full day of sunshine
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    58°Hi RealFeel® 53° Precipitation 45%
    Areas of morning fog; otherwise, cloudy with a brief shower in the afternoon
    • ESE 10 mph
    • Gusts: 21 mph
    • Max UV Index: 3 (Moderate)
    • Thunderstorms: 20%
    • Precipitation: 0.03 in
    • Rain: 0.03 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0.5 hrs
    • Hours of Rain: 0.5 hrs

    Night

    48°Lo RealFeel® 41° Precipitation 24%
    Mostly cloudy
    • S 8 mph
    • Gusts: 15 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 Feb 27

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

      High

    • Ragweed Pollen

      Low

    • Mold

      Low

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 2/27/2016
    High 58° 48° 78° (1932) 75°
    Low 48° 26° -15° (1934) 19°

    Sunrise/Sunset

    • Sunrise: 6:56 AM
    • Sunset: 6:12 PM
    • Duration: 11:16 hr

    Moonrise/Moonset

    • Moonrise: 7:38 AM
    • Moonset: 7:36 PM
    • Duration: 11:58 hr
    Astronomy

    Mon. Pollen

    Mon. Dust & Dander

    Mon. Wind Maps