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    • Tonight

      Sep 25

      55° Lo
      Cloudy, a shower or t-storm
      • Outdoor Concert
      • Weather
      • Hi RealFeel: 90°
      • Precip: 55%
      • Wind Speed: 9 mph
      More
    • Mon

      Sep 26

      68° /45°
      Mostly sunny and cooler
      • Fair
      • for an outdoor concert
      • Hi RealFeel: 67°
      • Precip: 15%
      • Wind Speed: 13 mph
      More
    • Tue

      Sep 27

      66° /47°F
      Partly sunny, breezy and cool
      • Fair
      • for an outdoor concert
      • Hi RealFeel: 65°
      • Precip: 20%
      • Wind Speed: 14 mph
    • Wed

      Sep 28

      65° /51°
      Clouds and sun with a shower
      • Fair
      • for an outdoor concert
      • Hi RealFeel: 66°
      • Precip: 55%
      • Wind Speed: 8 mph
      More
    • Thu

      Sep 29

      70° /52°
      Mostly sunny and beautiful
      • Good
      • for an outdoor concert
      • Hi RealFeel: 73°
      • Precip: 3%
      • Wind Speed: 8 mph
      More
    50°/47° RealFeel® 48°/45°
    Mostly cloudy
    • 6 mph
    • Precipitation: 12%
    • Rain: 0 in
    • Snow: 0 in
    • Humidity: 81%
    • Cloud Cover: 57%
    • Dew Point: 43° F
    • Visibility: 10 mi

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/27/2015
    High 66° 72° 93° (1998) 76°
    Low 47° 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 25, 2016; 5:13 PM ET

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