, °F

Personalized Forecasts

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    • Tonight

      Sep 26

      47° Lo F
      Clear
      • Sinus Headache
      • Weather
      • Hi RealFeel: 69°
      • UV: 4 - Moderate
      • Cloud Cover: 16%
    • Tue

      Sep 27

      68° /48°
      Mostly sunny and breezy
      • Beneficial
      • weather for sinus headaches
      • Hi RealFeel: 67°
      • UV: 4 - Moderate
      • Cloud Cover: 13%
      More
    • Wed

      Sep 28

      63° /52°
      Variable clouds with a shower
      • Neutral
      • weather for sinus headaches
      • Hi RealFeel: 58°
      • UV: 4 - Moderate
      • Cloud Cover: 70%
      More
    • Thu

      Sep 29

      70° /54°
      Partly sunny with a shower
      • Beneficial
      • weather for sinus headaches
      • Hi RealFeel: 70°
      • UV: 4 - Moderate
      • Cloud Cover: 26%
      More
    • Fri

      Sep 30

      68° /56°
      Clearing and spotty showers
      • Beneficial
      • weather for sinus headaches
      • Hi RealFeel: 68°
      • UV: 4 - Moderate
      • Cloud Cover: 61%
      More
    Monday
    7pm
    8pm
    9pm
    10pm
    11pm
    12am
    1am
    2am
    Forecast Mostly Clear Clear Clear Clear Clear Mostly Clear Mostly Clear Clear
    Temp (°F) 61° 59° 57° 56° 54° 53° 53° 52°
    RealFeel® 57° 56° 54° 53° 52° 52° 51° 50°
    Wind (mph) 13 W 9 W 8 W 7 W 6 WSW 6 WSW 6 WSW 6 WSW
    precip
    7pm
    8pm
    9pm
    10pm
    11pm
    12am
    1am
    2am
    Rain
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    Snow
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    Ice
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    SKY
    7pm
    8pm
    9pm
    10pm
    11pm
    12am
    1am
    2am
    UV Index 0 0 0 0 0 0 0 0
    Cloud Cover 11% 1% 3% 6% 8% 10% 10% 7%
    Humidity 47% 49% 57% 61% 65% 70% 73% 72%
    Dew Point 41° 40° 42° 43° 42° 44° 44° 43°
    Temp °F
    7pm
    8pm
    9pm
    10pm
    11pm
    12am
    1am
    2am
    65° 60° 55° 50°

    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. Sinus Headache

    Mon. UV Index