• Tonight

    Sep 1

    Lo 16°

    Clear and humid

    Construction Weather
    • Precip
      3%
    • Hours of Precip
      0
    • Hi
      RealFeel
      30°
    more
  • Wed

    Sep 2

    30°Lo 17°

    Partly sunny, warm and humid

    Excellent for outdoor DIY projects
    • Precip
      13%
    • Hours of Precip
      0.5
    • Hi
      RealFeel
      32°
    more
  • Thu

    Sep 3

    28°Lo 12°

    Mostly sunny, warm and humid

    Excellent for outdoor DIY projects
    • Precip
      8%
    • Hours of Precip
      0
    • Hi
      RealFeel
      29°
  • Fri

    Sep 4

    24°Lo 10°

    Sunny and comfortable

    Excellent for outdoor DIY projects
    • Precip
      0%
    • Hours of Precip
      0
    • Hi
      RealFeel
      25°
    more
  • Sat

    Sep 5

    27°Lo 15°

    Mostly sunny and warm

    Excellent for outdoor DIY projects
    • Precip
      0%
    • Hours of Precip
      0
    • Hi
      RealFeel
      29°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
5pm
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12am
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Forecast
Sunny
Sunny
Sunny
Clear
Clear
Clear
Clear
Clear
Temp (°C) 27° 26° 24° 22° 21° 20° 19° 18°
RealFeel® 26° 25° 23° 21° 20° 18° 17° 17°
Humidity 54% 56% 61% 66% 68% 71% 73% 75%
   
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Rain
 
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Snow
 
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Ice
 
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  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Wind (km/h) 17 NNE 15 N 13 N 11 N 11 N 11 NNE 11 NNE 11 NNE
UV Index 2 1 0 0 0 0 0 0
Cloud Cover 8% 6% 7% 3% 2% 1% 0% 0%
Dew Point 17° 16° 16° 16° 15° 14° 14° 14°
Middle Grid line 30 C Middle Grid line 25 C Middle Grid line 20 C Middle Grid line 15 C

Temperature History - Sep 3

more Historical Weather Data >
  Today Normal Record 9/3/2014
High 28° 22° 33° (1999) 26°
Low 12° 11° (1946) 14°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:26 AM with 13:11 of sunlight, then sets at 7:37 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:43 PM with 14:42 of moolight, then sets at 1:25 PM

Ottawa Weather Report

Oppressive Heat Adds Stress to Physical, Mental Health of Homeless People From US to Canada This Summer

September 1, 2015; 6:12 PM ET

Hot weather this summer from the central United States into Canada has put extra stress on some of the most vulnerable residents: the homeless. more >