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February 16th, 2026 :: 9:18 am EST   

Local Weather Report for
St Marys
Ontario, Canada

 St Marys Weather Forecast Summary  
 
Today
Feb 16th 		Tuesday
Feb 17th 		Wednesday
Feb 18th 		Thursday
Feb 19th 		Friday
Feb 20th
Cloudy Cloudy Mix of rain and snow Cloudy Cloudy
3°C
 1°C
-2°C		 -1°C
-4°C		 -1°C
-5°C		 1°C
-2°C
 
 St Marys Detailed Weather Forecast  
 
Monday, February 16th, 2026
Morning Temperature: 0°C
Cloudy. Windy at times.
Afternoon Temperature: 1°C
Cloudy. Windy at times.
Evening Temperature: 2°C
Cloudy with a slight chance of showers. Showers possibly mixed with wet flurries. Windy at times.
Tuesday, February 17th, 2026
Overnight Temperature: 1°C
Cloudy. Windy at times.
Morning Temperature: 1°C
Cloudy.
Afternoon Temperature: -1°C
Cloudy.
Evening Temperature: -1°C
Cloudy. Windy at times.
Wednesday, February 18th, 2026
Overnight Temperature: -1°C
Cloudy with a few flurries or freezing rain showers. Windy.
Morning Temperature: -1°C
Cloudy with flurries or freezing rain showers. Wind 30 to 50 km/h.
Afternoon Temperature: -3°C
Cloudy with a few flurries. Windy.
Evening Temperature: -3°C
Cloudy. Windy at times.
Thursday, February 19th, 2026
Overnight Temperature: -3°C
Cloudy. Windy at times.
Morning Temperature: -1°C
Cloudy. Windy at times.
Afternoon Temperature: -3°C
Sunny with cloudy periods. Windy at times.
Evening Temperature: -3°C
Cloudy. Windy.
Friday, February 20th, 2026
Overnight Temperature: -1°C
Cloudy with a slight chance of flurries. Windy.
Morning Temperature: -2°C
Cloudy with a chance of flurries or freezing rain showers. Windy.
Afternoon Temperature: 0°C
Cloudy with a chance of flurries or freezing rain showers. Windy at times.
Evening Temperature: 0°C
Cloudy. Windy at times.
Saturday, February 21st, 2026
Overnight Temperature: -1°C
Cloudy.
Morning Temperature: 0°C
Cloudy.
Afternoon Temperature: -1°C
Cloudy.
Evening Temperature: -2°C
Cloudy with a slight chance of flurries.
Sunday, February 22nd, 2026
Overnight Temperature: -4°C
Cloudy. Windy at times.
Morning Temperature: -4°C
Cloudy. Windy.
Afternoon Temperature: -5°C
Cloudy with a slight chance of flurries. Windy.
Evening Temperature: -7°C
Cloudy with a chance of flurries. Windy.
Monday, February 23rd, 2026
Overnight Temperature: -12°C
Cloudy. Windy.
Morning Temperature: -13°C
Cloudy. Windy.
Afternoon Temperature: -15°C
Cloudy. Windy.
Evening Temperature: -18°C
Cloudy.
Tuesday, February 24th, 2026
Overnight Temperature: -18°C
Cloudy.
Morning Temperature: -15°C
Cloudy.
Afternoon Temperature: -12°C
Cloudy.
Evening Temperature: -10°C
Cloudy. Windy at times.



 

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This WeatherCity Weather Forecast for St Marys, Ontario, Canada is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office
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