, °F

Personalized Forecasts

Featured Forecast

My Favorite Forecasts

    My Recent Locations

    • Tonight

      Apr 27

      46° Lo F
      Partly cloudy and cooler
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Moderate
      • Ragweed Pollen: Low
      • Tree Pollen: High
    • Fri

      Apr 28

      69° /58°
      An afternoon shower or two
      • Low
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Low
      • Tree Pollen: High
      More
    • Sat

      Apr 29

      63° /47°
      Rain and a thunderstorm
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sun

      Apr 30

      80° /62°
      Cloudy, a t-storm; warmer
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Mon

      May 1

      66° /45°
      Rain and drizzle
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: High
      More

    Day

    69°Hi RealFeel® 68° Precipitation 55%
    Mostly cloudy, breezy and cooler
    • SW 17 mph
    • Gusts: 41 mph
    • Max UV Index: 3 (Moderate)
    • Thunderstorms: 40%
    • Precipitation: 0.08 in
    • Rain: 0.08 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 1 hrs
    • Hours of Rain: 1 hrs

    Night

    46°Lo RealFeel® 45° Precipitation 7%
    Partly cloudy and cooler
    • SSW 8 mph
    • Gusts: 21 mph
    • Max UV Index: N/A
    • Thunderstorms: 3%
    • 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 Apr 27

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

      High

    • Ragweed Pollen

      Low

    • Mold

      Low

    • Grass Pollen

      Moderate

    Temperature History

    more Historical Weather Data >
      Today Normal Record 4/27/2016
    High 69° 66° 87° (1915) 59°
    Low 46° 43° 28° (1940) 41°

    Sunrise/Sunset

    • Sunrise: 6:40 AM
    • Sunset: 8:29 PM
    • Duration: 13:49 hr

    Moonrise/Moonset

    • Moonrise: 7:48 AM
    • Moonset: 10:02 PM
    • Duration: 14:14 hr
    Astronomy

    Thu. Pollen

    Thu. Dust & Dander

    Thu. Wind Maps