• Today

    Sep 1

    30°Lo 16°

    Decreasing clouds

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      30°
    • UV
      4 - Moderate
    • Cloud
      Cover
      32%
    more
  • Wed

    Sep 2

    30°Lo 17°

    Partly sunny, warm and humid

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      32°
    • UV
      4 - Moderate
    • Cloud
      Cover
      46%
    more
  • Thu

    Sep 3

    28°Lo 12°

    Mostly sunny, warm and humid

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      29°
    • UV
      4 - Moderate
    • Cloud
      Cover
      22%
  • Fri

    Sep 4

    24°Lo 12°

    Sunny and comfortable

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      25°
    • UV
      4 - Moderate
    • Cloud
      Cover
      8%
    more
  • Sat

    Sep 5

    27°Lo 16°

    Mostly sunny and very warm

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      29°
    • UV
      4 - Moderate
    • Cloud
      Cover
      21%
    more
Next Previous
Partly sunny 26° Lo 20° RealFeel® 29° / 21°

N

E

S

W

  • Precipitation: 8%
  • Rain: 0 mm
  • Snow: 0 CM
  • Humidity: 78%
  • Cloud Cover: 34%
  • Dew Point: 19° C
  • Visibility: 10 km
13 km/h

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; 10:07 AM 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 >