• Early AM

    Sep 20

    Lo 4°

    Partly cloudy

    Sinus Headache Weather
    • Hi
      RealFeel
      13°
    • UV
      4 - Moderate
    • Cloud
      Cover
      56%
    more
  • Today

    Sep 20

    22°Lo 16°

    A few showers this afternoon

    At Risk weather for sinus headaches
    • Hi
      RealFeel
      19°
    • UV
      3 - Moderate
    • Cloud
      Cover
      65%
    more
  • Sun

    Sep 21

    20°Lo 8°

    Mostly cloudy with showers

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      19°
    • UV
      1 - Low
    • Cloud
      Cover
      93%
  • Mon

    Sep 22

    13°Lo 6°

    Partly sunny and cooler

    At Risk weather for sinus headaches
    • Hi
      RealFeel
      13°
    • UV
      4 - Moderate
    • Cloud
      Cover
      46%
    more
  • Tue

    Sep 23

    17°Lo 4°

    A couple of showers

    At Risk weather for sinus headaches
    • Hi
      RealFeel
      17°
    • UV
      4 - Moderate
    • Cloud
      Cover
      70%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
5am
6am 7am 8am 9am 10am 11am 12pm
  5am 6am 7am 8am 9am 10am 11am 12pm
Forecast
T-storms
Cloudy
Cloudy
Cloudy
Cloudy
Showers
Cloudy
Showers
Temp (°C) 17° 17° 16° 17° 18° 18° 18° 19°
RealFeel® 12° 14° 13° 15° 16° 16° 17° 17°
Humidity 89% 94% 100% 91% 91% 90% 92% 90%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Rain
 
53%
 
49%
 
46%
 
46%
 
49%
 
54%
 
49%
 
61%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Wind (km/h) 22 SSW 18 SSW 18 SSW 16 SSW 16 SSW 14 SW 14 SW 13 SW
UV Index 0 0 0 0 0 1 1 1
Cloud Cover 98% 98% 98% 94% 94% 94% 94% 94%
Dew Point 16° 16° 16° 16° 16° 17° 17° 17°
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

Recent Chill a Possible Sign of an Early Winter?

September 19, 2014; 12:51 PM ET

Do recent cold weather events signal an early winter for Canada? more >