Ottawa Airport (YOW):

Forecasts

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   Current Official Forecast:

 [Source]

Forecasts issued Mon, June 30, 2025 at 23:14:

Summary:
Tuesday Wednesday Thursday Friday Saturday Sunday
 

 
 
 
 
 
 

 
Chance of showers. A mix of sun and cloud. Chance of showers. Sunny. A mix of sun and cloud. Chance of showers.
POP 30% POP 0% POP 30% POP 0% POP 0% POP 40%
Precip: 0 mm Precip: 0 mm Precip: 0 mm Precip: 0 mm Precip: 0 mm Precip: 0 mm
Wind: - @ - Wind: - @ - Wind: - @ - Wind: - @ - Wind: - @ - Wind: - @ -
Humidex: 35 Humidex: Humidex: Humidex: Humidex: Humidex:
Wind Chill: Wind Chill: Wind Chill: Wind Chill: Wind Chill: Wind Chill:
Visibility: Visibility: Visibility: Visibility: Visibility: Visibility:
       
Monday night Tuesday night Wednesday night Thursday night Friday night Saturday night  
 
 
 
 
 
 
A few showers. Chance of showers. Cloudy periods. Chance of showers. Clear. Cloudy.
POP 0% POP 30% POP 0% POP 30% POP 0% POP 0%  
Precip: 0 mm Precip: 0 mm Precip: 0 mm Precip: 0 mm Precip: 0 mm Precip: 0 mm  
Wind: - @ - 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:
Monday night: Showers with risk of a thunderstorm. Low 19.
Tuesday: A few showers ending early in the morning then cloudy with 30 percent chance of showers. Becoming a mix of sun and cloud late in the morning. Risk of a thunderstorm in the morning. High 27. Humidex 35. UV index 9 or very high. POP 30%.
Tuesday night: Partly cloudy with 30 percent chance of showers in the evening. Becoming clear late in the evening and overnight. Risk of a thunderstorm in the evening. Low 16. POP 30%.
Wednesday: A mix of sun and cloud. High 29.
Wednesday night: Cloudy periods. Low 17.
Thursday: A mix of sun and cloud with 30 percent chance of showers. High 26. POP 30%.
Thursday night: Cloudy periods with 30 percent chance of showers. Low 13. POP 30%.
Friday: Sunny. High 27.
Friday night: Clear. Low 16.
Saturday: A mix of sun and cloud. High 29.
Saturday night: Cloudy. Low 20.
Sunday: Cloudy with 40 percent chance of showers. High 28. POP 40%.