• Tonight

    Sep 1

    Lo 16°

    Clear and humid

    Running Weather
    • Precip
      3%
    • Hours of Precip
      0
    • Wind
      Gust
      22 k/h
    more
  • Wed

    Sep 2

    30°Lo 17°

    Partly sunny, warm and humid

    Very Good for running
    • Precip
      13%
    • Hours of Precip
      0.5
    • Wind
      Gust
      15 k/h
  • Thu

    Sep 3

    28°Lo 12°

    Mostly sunny, warm and humid

    Very Good for running
    • Precip
      8%
    • Hours of Precip
      0
    • Wind
      Gust
      19 k/h
    more
  • Fri

    Sep 4

    24°Lo 10°

    Sunny and comfortable

    Excellent for running
    • Precip
      0%
    • Hours of Precip
      0
    • Wind
      Gust
      17 k/h
    more
  • Sat

    Sep 5

    27°Lo 15°

    Mostly sunny and warm

    Excellent for running
    • Precip
      0%
    • Hours of Precip
      0
    • Wind
      Gust
      13 k/h
    more
Next Previous
Hi 30° RealFeel® 32° Precipitation 13%

Day

N

E

S

W

  • W 11 km/h
  • Gusts: 15 km/h

Partly sunny, very warm and humid

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 24%
  • Precipitation: 0 mm
  • Rain: 0 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 17° RealFeel® 18° Precipitation 40%

Night

N

E

S

W

  • WNW 6 km/h
  • Gusts: 9 km/h

A thunderstorm in spots in the evening; otherwise, mostly cloudy and mild

  • Max UV Index: N/A
  • Thunderstorms: 60%
  • Precipitation: 1 mm
  • Rain: 1 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs

Temperature History - Sep 2

more Historical Weather Data >
  Today Normal Record 9/2/2014
High 30° 22° 33° (1973) 28°
Low 17° 11° (1946) 17°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:25 AM with 13:14 of sunlight, then sets at 7:39 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:03 PM with 14:15 of moolight, then sets at 12:18 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 >