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  • Today

    Sep 18

    Turning sunny and cooler 12°Lo -1°
    more
  • Fri

    Sep 19

    Sunshine; nice in the p.m. 14°Lo 5°
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  • Sat

    Sep 20

    A couple of afternoon showers 20°Lo 16°
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  • Sun

    Sep 21

    Mostly cloudy, showers around 20°Lo 7°
  • Mon

    Sep 22

    Partly sunny and cooler 13°Lo 5°
    more
< Previous 8 hours Next 8 hours >
  Sun
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Showers
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Temp (°C) 19° 20° 21° 21° 22° 21° 21° 20°
RealFeel® 16° 18° 20° 20° 21° 20° 20° 19°
Humidity 83% 82% 81% 80% 76% 82% 82% 83%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
55%
 
49%
 
34%
 
34%
 
34%
 
34%
 
34%
 
40%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (km/h) 18 SSW 18 SSW 18 SSW 18 SSW 18 SSW 18 SSW 14 SW 13 SW
UV Index 1 2 3 2 2 2 2 1
Cloud Cover 76% 76% 76% 76% 76% 76% 76% 76%
Dew Point 16° 17° 17° 18° 18° 18° 18° 17°
Middle Grid line 25 C Middle Grid line 20 C Middle Grid line 15 C

Temperature History - Sep 21

more Historical Weather Data >
  Today Normal Record 9/21/2013
High 20° 18° 29° (1965) 20°
Low -2° (1956) 12°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:48 AM with 12:15 of sunlight, then sets at 7:03 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:15 AM with 13:26 of moolight, then sets at 5:41 PM

Top Story

Ottawa Weather Report

Long Winter Nights, Dry Air Increase Chance to View Aurora

September 18, 2014; 8:05 AM ET

Igniting across Northern skies, ghostly rivers of light dance overhead each year, emitting vibrant shades of green, blue, pink, red and violet. more >