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    • Today

      Sep 27

      71° /49°F
      Partly sunny and breezy
      • Driving
        • Driving
        • Fuel Economy
      • Excellent
      • for driving
      • Precip: 13%
      • Hours of Precip: 0.5
      • Rain: 0.05 in
    • Wed

      Sep 28

      62° /53°
      A brief shower or two
      • Very Good
      • for driving
      • Precip: 55%
      • Hours of Precip: 1.5
      • Rain: 0.04 in
      More
    • Thu

      Sep 29

      71° /58°
      A passing shower or two
      • Good
      • for driving
      • Precip: 55%
      • Hours of Precip: 2
      • Rain: 0.04 in
      More
    • Fri

      Sep 30

      66° /57°
      Cloudy with spotty showers
      • Good
      • for driving
      • Precip: 64%
      • Hours of Precip: 3
      • Rain: 0.20 in
      More
    • Sat

      Oct 1

      68° /54°
      Mostly cloudy with a shower
      • Good
      • for driving
      • Precip: 55%
      • Hours of Precip: 1
      • Rain: 0.05 in
      More
    59°/53° RealFeel® 54°/47°
    Increasing clouds
    • 13 mph
    • Precipitation: 25%
    • Rain: 0 in
    • Snow: 0 in
    • Humidity: 63%
    • Cloud Cover: 60%
    • Dew Point: 43° F
    • Visibility: 10 mi

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/27/2015
    High 71° 72° 93° (1998) 76°
    Low 49° 49° 29° (1937) 63°

    Sunrise/Sunset

    • Sunrise: 6:49 AM
    • Sunset: 6:43 PM
    • Duration: 11:54 hr

    Moonrise/Moonset

    • Moonrise: 3:25 AM
    • Moonset: 5:11 PM
    • Duration: 13:46 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 >

    Tue. Travel Weather

    48 Hour Precipitation Forecast

    Tue. Driving Weather