• Tonight

    Sep 1

    Lo 16°

    Clear and humid

    Stargazing Weather
    • Cloud
      Cover
      6%
    • Precip
      2%
    • Hours of Precip
      0
  • Wed

    Sep 2

    30°Lo 17°

    Partly sunny, warm and humid

    Poor for stargazing
    • Cloud
      Cover
      76%
    • Precip
      40%
    • Hours of Precip
      0.5
    more
  • Thu

    Sep 3

    28°Lo 12°

    Mostly sunny, warm and humid

    Excellent for stargazing
    • Cloud
      Cover
      0%
    • Precip
      0%
    • Hours of Precip
      0
    more
  • Fri

    Sep 4

    24°Lo 10°

    Sunny and comfortable

    Excellent for stargazing
    • Cloud
      Cover
      1%
    • Precip
      0%
    • Hours of Precip
      0
    more
  • Sat

    Sep 5

    27°Lo 15°

    Mostly sunny and warm

    Excellent for stargazing
    • Cloud
      Cover
      9%
    • Precip
      2%
    • Hours of Precip
      0
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
10pm
11pm Wed
12am
1am 2am 3am 4am 5am
  10pm 11pm 12am 1am 2am 3am 4am 5am
Forecast
Clear
Clear
Clear
Clear
Clear
Clear
Clear
Clear
Temp (°C) 21° 20° 20° 19° 19° 19° 18° 18°
RealFeel® 21° 20° 20° 19° 19° 18° 18° 18°
Humidity 86% 89% 91% 93% 93% 93% 93% 93%
   
  10pm 11pm 12am 1am 2am 3am 4am 5am
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%
   
  10pm 11pm 12am 1am 2am 3am 4am 5am
Wind (km/h) 11 SSW 11 SSW 11 SSW 11 SSW 9 SSW 9 SW 9 SW 7 SW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 9% 0% 0% 0% 0% 0% 0% 0%
Dew Point 19° 18° 18° 18° 18° 18° 17° 17°
Middle Grid line 25 C Middle Grid line 20 C Middle Grid line 15 C

Temperature History - Sep 1

more Historical Weather Data >
  Today Normal Record 9/1/2014
High 28° 22° 34° (1953) 26°
Low 16° 11° (1967) 17°

Solunar Information for Ottawa, Canada

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

Sat, Sep 5
Last
Sun, Sep 13
New
Mon, Sep 21
First
Mon, Sep 28
Full

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 >