Ottawa Airport (YOW):

Forecasts

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   Current Official Forecast:

 [Source]

Forecasts issued Wed, December 10, 2025 at 11:00:

Summary:
Wednesday Thursday Friday Saturday Sunday Monday Tuesday
 

 
 
 
 
 
 
 

 
Snow. A few flurries. Temperature steady near minus 9. A mix of sun and cloud. Chance of flurries. Chance of flurries. Cloudy. A mix of sun and cloud.
POP 0% POP 0% POP 0% POP 60% POP 30% POP 0% POP 0%
Precip: 5.0 cm Precip: 2.0 cm Precip: 0 mm Precip: 0 mm Precip: 0 mm Precip: 0 mm Precip: 0 mm
Wind: n/a @ - Wind: W @ 20 Wind: - @ - Wind: - @ - Wind: - @ - Wind: - @ - Wind: - @ -
Humidex: Humidex: Humidex: Humidex: Humidex: Humidex: Humidex:
Wind Chill: Wind Chill: Wind Chill: Wind Chill: Wind Chill: Wind Chill: Wind Chill:
Visibility: Visibility: Visibility: Visibility: Visibility: Visibility: Visibility:
       
Wednesday night Thursday night Friday night Saturday night Sunday night Monday night  
 
 
 
 
 
 
Snow. Chance of flurries. Cloudy. Chance of flurries. Cloudy periods. Cloudy.
POP 0% POP 30% POP 0% POP 40% POP 0% POP 0%  
Precip: 5.0 cm Precip: 0 mm Precip: 0 mm Precip: 0 mm Precip: 0 mm Precip: 0 mm  
Wind: W @ 30 Wind: - @ - Wind: - @ - Wind: - @ - Wind: - @ - Wind: - @ -  
Humidex: Humidex: Humidex: Humidex: Humidex: Humidex:  
Wind Chill: Wind Chill: Wind Chill: Wind Chill: Wind Chill: Wind Chill:  
Visibility: Visibility: Visibility: Visibility: Visibility: Visibility:  
       

Text Forecasts:
Wednesday: Snow. Amount 5 to 10 cm. Wind up to 15 km/h. High minus 2. Wind chill near minus 10.
Wednesday night: Snow. Local blowing snow overnight. Amount 5 to 10 cm. Wind becoming west 30 km/h gusting to 50 after midnight. Low minus 9. Wind chill minus 7 this evening and minus 16 overnight.
Thursday: Flurries. Amount 2 to 4 cm. Wind west 20 km/h gusting to 40. Temperature steady near minus 9. Wind chill minus 15 in the morning and minus 20 in the afternoon.
Thursday night: Cloudy periods with 30 percent chance of flurries. Low minus 11. POP 30%.
Friday: A mix of sun and cloud. High minus 6.
Friday night: Cloudy. Low minus 10.
Saturday: Cloudy with 60 percent chance of flurries. High minus 5. POP 60%.
Saturday night: Cloudy periods with 40 percent chance of flurries. Low minus 12. POP 40%.
Sunday: A mix of sun and cloud with 30 percent chance of flurries. High minus 10. POP 30%.
Sunday night: Cloudy periods. Low minus 17.
Monday: Increasing cloudiness. High minus 10.
Monday night: Cloudy. Low minus 12.
Tuesday: A mix of sun and cloud. High minus 6.