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    • Today

      Dec 17

      44° /37°F
      Areas of morning fog
      • 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
    • Mon

      Dec 18

      48° /38°
      Fog in the morning; some sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Tue

      Dec 19

      49° /27°
      Partly sunny
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Wed

      Dec 20

      41° /28°
      Plenty of sunshine
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Thu

      Dec 21

      45° /35°
      Cloudy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    44°Hi RealFeel® 42° Precipitation 43%
    Mostly cloudy; areas of fog this morning, then a shower in spots late this afternoon
    • Winds from the
    • S 6 mph
    • Gusts: 8 mph
    • Max UV Index: 1 (Low)
    • Thunderstorms: 20%
    • Precipitation: 0.02 in
    • Rain: 0.02 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0.5 hrs
    • Hours of Rain: 0.5 hrs

    Night

    37°Lo RealFeel® 34° Precipitation 25%
    Low clouds; patchy fog late
    • Winds from the
    • WSW 6 mph
    • Gusts: 8 mph
    • Max UV Index: N/A
    • Thunderstorms: 0%
    • 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 Dec 17

    • 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 12/17/2016
    High 44° 35° 62° (1984) 22°
    Low 37° 19° -12° (1932) -2°

    Sunrise/Sunset

    • Sunrise: 7:16 AM
    • Sunset: 4:27 PM
    • Duration: 9:11 hr

    Moonrise/Moonset

    • Moonrise: 6:27 AM
    • Moonset: 4:25 PM
    • Duration: 9:58 hr
    Astronomy

    Sun. Pollen

    Sun. Dust & Dander

    Sun. Wind Maps