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Personalized Forecasts

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    • Tonight

      Sep 27

      49° Lo
      Some clouds, a shower late
      • Running
      • Weather
      • Precip: 13%
      • Hours of Precip: 0.5
      • Wind Gust: 33 mph
      More
    • Wed

      Sep 28

      62° /53°
      A brief shower or two
      • Good
      • for running
      • Precip: 55%
      • Hours of Precip: 1.5
      • Wind Gust: 25 mph
      More
    • Thu

      Sep 29

      71° /58°
      A passing shower or two
      • Very Good
      • for running
      • Precip: 55%
      • Hours of Precip: 2
      • Wind Gust: 31 mph
      More
    • Fri

      Sep 30

      66° /57°
      Cloudy with spotty showers
      • Good
      • for running
      • Precip: 64%
      • Hours of Precip: 3
      • Wind Gust: 16 mph
      More
    • Sat

      Oct 1

      68° /54°F
      Mostly cloudy with a shower
      • Very Good
      • for running
      • Precip: 55%
      • Hours of Precip: 1
      • Wind Gust: 10 mph

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    Temperature History

    more Historical Weather Data >
      Today Normal Record 10/1/2015
    High 68° 71° 93° (1971) 66°
    Low 54° 47° 30° (1895) 42°

    Sunrise/Sunset

    • Sunrise: 6:53 AM
    • Sunset: 6:36 PM
    • Duration: 11:43 hr

    Moonrise/Moonset

    • Moonrise: 7:22 AM
    • Moonset: 7:12 PM
    • Duration: 11:50 hr
    Astronomy

    Ottawa Weather Report

    Chilly winds to howl across Great Lakes early this week

    September 27, 2016; 7:42 PM ET

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