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    • Mon

      Oct 10

      63° /43°F
      Mostly cloudy
      • Ragweed Pollen
      • Weather
      • Precip: 25%
      • Wind Speed: 12 mph
      • Cloud Cover: 80%
    • Tue

      Oct 11

      64° /49°
      Rain in the afternoon
      • Ragweed Pollen
      • Weather
      • Precip: 65%
      • Wind Speed: 10 mph
      • Cloud Cover: 85%
      More
    • Wed

      Oct 12

      70° /47°
      Periods of rain
      • Ragweed Pollen
      • Weather
      • Precip: 65%
      • Wind Speed: 15 mph
      • Cloud Cover: 98%
      More
    • Thu

      Oct 13

      68° /43°
      Sun and some clouds
      • Ragweed Pollen
      • Weather
      • Precip: 20%
      • Wind Speed: 9 mph
      • Cloud Cover: 45%
      More
    • Fri

      Oct 14

      61° /38°
      Becoming cloudy
      • Ragweed Pollen
      • Weather
      • Precip: 25%
      • Wind Speed: 4 mph
      • Cloud Cover: 46%
      More

    Day

    63°Hi RealFeel® 59° Precipitation 25%
    Mostly cloudy
    • SSE 12 mph
    • Gusts: 23 mph
    • Max UV Index: 2 (Low)
    • Thunderstorms: 0%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    43°Lo RealFeel® 36° Precipitation 25%
    Overcast
    • S 13 mph
    • Gusts: 22 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

    Temperature History

    more Historical Weather Data >
      Today Normal Record 10/10/2015
    High 63° 67° 89° (2010) 67°
    Low 43° 44° 24° (1964) 42°

    Sunrise/Sunset

    • Sunrise: 7:03 AM
    • Sunset: 6:21 PM
    • Duration: 11:18 hr

    Moonrise/Moonset

    • Moonrise: 3:09 PM
    • Moonset: 1:40 AM
    • Duration: 10:31 hr
    Astronomy

    Ottawa Weather Report

    Chilly winds to howl across Great Lakes early this week

    September 25, 2016; 8:43 AM ET

    Gusty winds will accompany a push of chilly air across the Great Lakes from Sunday night through Tuesday. More >