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    • Wed

      Oct 12

      64° /43°
      Periods of rain
      • Ragweed Pollen
      • Weather
      • Precip: 65%
      • Wind Speed: 7 mph
      • Cloud Cover: 16%
      More
    • Thu

      Oct 13

      63° /46°
      Windy with rain at times
      • Ragweed Pollen
      • Weather
      • Precip: 70%
      • Wind Speed: 20 mph
      • Cloud Cover: 99%
      More
    • Fri

      Oct 14

      71° /46°F
      Considerable cloudiness
      • Ragweed Pollen
      • Weather
      • Precip: 25%
      • Wind Speed: 17 mph
      • Cloud Cover: 91%
    • Sat

      Oct 15

      59° /40°
      Mostly sunny
      • Ragweed Pollen
      • Weather
      • Precip: 20%
      • Wind Speed: 6 mph
      • Cloud Cover: 25%
      More
    • Sun

      Oct 16

      59° /46°
      Mostly sunny
      • Ragweed Pollen
      • Weather
      • Precip: 10%
      • Wind Speed: 7 mph
      • Cloud Cover: 16%
      More

    Day

    71°Hi RealFeel® 68° Precipitation 25%
    Considerable cloudiness
    • WNW 17 mph
    • Gusts: 29 mph
    • Max UV Index: 2 (Low)
    • Thunderstorms: 2%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    46°Lo RealFeel® 45° Precipitation 20%
    Clear to partly cloudy
    • WNW 8 mph
    • Gusts: 21 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 10/14/2015
    High 71° 66° 89° (1897) 68°
    Low 46° 42° 20° (1914) 41°

    Sunrise/Sunset

    • Sunrise: 7:07 AM
    • Sunset: 6:15 PM
    • Duration: 11:08 hr

    Moonrise/Moonset

    • Moonrise: 5:41 PM
    • Moonset: 6:16 AM
    • Duration: 12:35 hr
    Astronomy

    Ottawa Weather Report

    Chilly winds to howl across Great Lakes early this week

    September 27, 2016; 3:02 PM ET

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