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Personalized Forecasts

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    • Today

      Sep 19

      76° /64°F
      A couple of thunderstorms
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
    • Wed

      Sep 20

      83° /67°
      Areas of fog in the morning
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Thu

      Sep 21

      88° /67°
      Areas of morning fog
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Fri

      Sep 22

      88° /66°
      Areas of morning fog
      • High
      • ragweed pollen levels
      • Grass Pollen: High
      • Ragweed Pollen: High
      • Tree Pollen: Low
      More
    • Sat

      Sep 23

      89° /65°
      Areas of fog in the morning
      • High
      • ragweed pollen levels
      • Grass Pollen: High
      • Ragweed Pollen: High
      • Tree Pollen: Low
      More

    Day

    76°Hi RealFeel® 83° Precipitation 80%
    Mostly cloudy with a couple of showers and a thunderstorm; humid
    • Winds from the
    • SSE 5 mph
    • Gusts: 14 mph
    • Max UV Index: 5 (Moderate)
    • Thunderstorms: 60%
    • Precipitation: 0.78 in
    • Rain: 0.78 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 5.5 hrs
    • Hours of Rain: 5.5 hrs

    Night

    64°Lo RealFeel® 63° Precipitation 40%
    An evening shower in the area; otherwise, mostly cloudy and mild, then areas of fog late
    • Winds from the
    • SSE 5 mph
    • Gusts: 7 mph
    • Max UV Index: N/A
    • Thunderstorms: 20%
    • Precipitation: 0.01 in
    • Rain: 0.01 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0.5 hrs
    • Hours of Rain: 0.5 hrs

    Ottawa Pollen Levels Sep 19

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

      Low

    • Ragweed Pollen

      Moderate

    • Mold

      High

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/19/2016
    High 76° 75° 94° (1932) 84°
    Low 64° 53° 32° (1916) 55°

    Sunrise/Sunset

    • Sunrise: 7:20 AM
    • Sunset: 7:39 PM
    • Duration: 12:19 hr

    Moonrise/Moonset

    • Moonrise: 6:33 AM
    • Moonset: 7:39 PM
    • Duration: 13:06 hr
    Astronomy

    Tue. Pollen

    Tue. Dust & Dander

    Tue. Wind Maps