• Today

    Sep 1

    30°Lo 16°

    Decreasing clouds

    Moderate indoor dust & dander levels
    • Precip
      3%
    • Wind
      Speed
      11 k/h
    • Cloud
      Cover
      42%
  • Wed

    Sep 2

    30°Lo 17°

    Partly sunny, warm and humid

    Moderate indoor dust & dander levels
    • Precip
      13%
    • Wind
      Speed
      11 k/h
    • Cloud
      Cover
      46%
    more
  • Thu

    Sep 3

    28°Lo 12°

    Mostly sunny, warm and humid

    Moderate indoor dust & dander levels
    • Precip
      8%
    • Wind
      Speed
      13 k/h
    • Cloud
      Cover
      22%
    more
  • Fri

    Sep 4

    24°Lo 10°

    Sunny and comfortable

    Low indoor dust & dander levels
    • Precip
      0%
    • Wind
      Speed
      13 k/h
    • Cloud
      Cover
      8%
    more
  • Sat

    Sep 5

    27°Lo 15°

    Mostly sunny and warm

    Low indoor dust & dander levels
    • Precip
      0%
    • Wind
      Speed
      9 k/h
    • Cloud
      Cover
      21%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
1pm
2pm 3pm 4pm 5pm 6pm 7pm 8pm
  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Forecast
Partly Sunny
Cloudy
Partly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Clear
Temp (°C) 26° 27° 28° 29° 30° 28° 26° 24°
RealFeel® 30° 30° 30° 30° 30° 28° 26° 24°
Humidity 64% 64% 62% 54% 51% 58% 68% 77%
   
  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
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%
   
  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Wind (km/h) 11 SSW 15 SW 18 SW 18 SW 20 SW 17 SW 13 SW 11 SW
UV Index 5 3 4 3 2 1 0 0
Cloud Cover 45% 95% 40% 25% 12% 11% 23% 25%
Dew Point 19° 20° 20° 19° 19° 19° 19° 19°
Middle Grid line 35 C Middle Grid line 30 C Middle Grid line 25 C Middle Grid line 20 C

Temperature History - Sep 1

more Historical Weather Data >
  Today Normal Record 9/1/2014
High 30° 22° 34° (1953) 26°
Low 16° 11° (1967) 17°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:24 AM with 13:17 of sunlight, then sets at 7:41 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:25 PM with 13:42 of moolight, then sets at 11:07 AM

Ottawa Weather Report

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

September 1, 2015; 3:12 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 >