Ottawa Airport (YOW):

Current Weather

Times in Eastern Standard Time (EST = GMT-5)
<-CTO Ottawa Airport <-CTO Home <-Units of Measure <-Browse logs, etc. <-Diagnostic Page
Current Weather Forecasts Warnings Temperatures BP+RH Winds Precip
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       Latest Observations from Environment Canada - Monday, December 8, 2025 at 21:00 EST
   Current Condition: Mainly Clear

Airport   

CTO   
   Temperature:

   Humidex:

    

   Wind Chill Index:

    

   Relative Humidity:

 74 % 77 %

   Dew Point:

   Precip Today:

    

   Sunshine Today:

     08:00 h
 

Airport   

CTO      

   Barometric Pressure:

   - Trend:

 Rising   Rising  

   Winds:

 WNW at SSE at

   - Bearing (approx.):

 293 ° 158 °

   - Recent Gust:

  km/h    

   Visibility:

      

   Current Official Forecast:

 [Source]

Forecasts issued Mon, December 8, 2025 at 18:33:
Tuesday Wednesday Thursday Friday Saturday Sunday
POP 60% POP 0% POP 40% POP 0% POP 60% POP 40%
Monday night Tuesday night Wednesday night Thursday night Friday night Saturday night  
 
 
 
POP 0% POP 0% POP 0% POP 30% POP 40% POP 40%  
Monday night: Clear. Wind up to 15 km/h. Low minus 19. Wind chill minus 20 this evening and minus 25 overnight.
Tuesday: Increasing cloudiness early in the morning. 60 percent chance of snow late in the afternoon. Wind up to 15 km/h. High minus 5. Wind chill minus 23 in the morning and minus 11 in the afternoon. UV index 1 or low. POP 60%.
Tuesday night: Snow ending after midnight then cloudy with 40 percent chance of flurries. Amount 2 to 4 cm. Wind up to 15 km/h. Low minus 8. Wind chill near minus 14.
Wednesday: Snow. High minus 1.
Wednesday night: Periods of snow. Low minus 9.
Thursday: Cloudy with 40 percent chance of flurries. High minus 7. POP 40%.
Thursday night: Cloudy periods with 30 percent chance of flurries. Low minus 13. POP 30%.
Friday: A mix of sun and cloud. High minus 5.
Friday night: Cloudy with 40 percent chance of flurries. Low minus 9. POP 40%.
Saturday: Cloudy with 60 percent chance of flurries. High minus 6. POP 60%.
Saturday night: Cloudy periods with 40 percent chance of flurries. Low minus 15. POP 40%.
Sunday: A mix of sun and cloud with 40 percent chance of flurries. High minus 8. POP 40%.
 
   Today: 08:51 of daylight    Yesterday: 08:52 of daylight
 

Airport

CTO

   Sunrise:

 07:29 07:30

   Sunset:

 16:20 16:20
 
   Normal High:  

   Record High:

(1953)(2022)
   Normal Low:  

   Record Low:

(2018)(2002)
 

Airport

CTO

   Sunrise:

 07:28 07:29

   Sunset:

 16:20 16:20
 

   High:

(00:00)(00:04)

   Low:

(22:17)(07:24)

   Precip: