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    • Today

      Sep 26

      70° /47°F
      Sunny and breezy
      • Driving
        • Driving
        • Fuel Economy
      • Excellent
      • for driving
      • Precip: 7%
      • Hours of Precip: 0
      • Rain: 0 in
    • Tue

      Sep 27

      68° /48°
      Mostly sunny and breezy
      • Excellent
      • for driving
      • Precip: 14%
      • Hours of Precip: 1
      • Rain: 0.04 in
      More
    • Wed

      Sep 28

      63° /52°
      Variable clouds with a shower
      • Very Good
      • for driving
      • Precip: 40%
      • Hours of Precip: 1
      • Rain: 0.02 in
      More
    • Thu

      Sep 29

      70° /54°
      Partly sunny with a shower
      • Very Good
      • for driving
      • Precip: 55%
      • Hours of Precip: 2.5
      • Rain: 0.12 in
      More
    • Fri

      Sep 30

      68° /56°
      Clearing and spotty showers
      • Good
      • for driving
      • Precip: 67%
      • Hours of Precip: 5
      • Rain: 0.30 in
      More
    70°/61° RealFeel® 69°/58°
    Cooler
    • 15 mph
    • Precipitation: 6%
    • Rain: 0 in
    • Snow: 0 in
    • Humidity: 38%
    • Cloud Cover: 12%
    • Dew Point: 41° F
    • Visibility: 10 mi

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/26/2015
    High 70° 73° 91° (1999) 81°
    Low 47° 49° 25° (1928) 56°

    Sunrise/Sunset

    • Sunrise: 6:48 AM
    • Sunset: 6:44 PM
    • Duration: 11:56 hr

    Moonrise/Moonset

    • Moonrise: 2:24 AM
    • Moonset: 4:35 PM
    • Duration: 14:11 hr
    Astronomy

    Ottawa Weather Report

    Chilly winds to howl across Great Lakes early this week

    September 26, 2016; 4:43 PM ET

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

    Mon. Travel Weather

    48 Hour Precipitation Forecast

    Mon. Driving Weather