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November 30th, 2025 :: 4:24 am EST   

Local Weather Report for
St Catharines
Ontario, Canada

 St Catharines Weather Forecast Summary  
 
Today
Nov 30th 		Monday
Dec 1st 		Tuesday
Dec 2nd 		Wednesday
Dec 3rd 		Thursday
Dec 4th
Mix of rain and snow Cloudy Flurries Cloudy Mix of rain and snow
3°C
 -1°C
-4°C		 0°C
-4°C		 2°C
-4°C		 0°C
-8°C
 
 St Catharines Detailed Weather Forecast  
 
Sunday, November 30th, 2025
Morning Temperature: 2°C
Cloudy with showers likely. Showers possibly mixed with wet flurries. Wind 30 to 50 km/h.
Afternoon Temperature: 1°C
Cloudy with a chance of flurries or showers. Risk of freezing rain. Wind 30 to 50 km/h.
Evening Temperature: -1°C
A mix of cloudy and clear skies. Windy at times.
Monday, December 1st, 2025
Overnight Temperature: -3°C
Clear. Windy at times.
Morning Temperature: -2°C
Cloudy.
Afternoon Temperature: -2°C
Cloudy.
Evening Temperature: -2°C
Cloudy.
Tuesday, December 2nd, 2025
Overnight Temperature: -2°C
Cloudy with flurries likely.
Morning Temperature: -1°C
Cloudy with flurries or showers likely.
Afternoon Temperature: -2°C
Sunny with cloudy periods.
Evening Temperature: -4°C
Clear.
Wednesday, December 3rd, 2025
Overnight Temperature: -3°C
Cloudy.
Morning Temperature: 0°C
Cloudy with a chance of flurries or showers. Windy.
Afternoon Temperature: 2°C
Cloudy. Windy.
Evening Temperature: 1°C
Cloudy with a chance of flurries or showers. Risk of freezing rain. Windy.
Thursday, December 4th, 2025
Overnight Temperature: 0°C
Cloudy with flurries or showers likely. Windy at times.
Morning Temperature: -2°C
Cloudy with a chance of flurries. Windy at times.
Afternoon Temperature: -6°C
Cloudy with a chance of flurries. Windy.
Evening Temperature: -7°C
A mix of cloudy and clear skies. Windy at times.
Friday, December 5th, 2025
Overnight Temperature: -8°C
A mix of clear and cloudy skies.
Morning Temperature: -5°C
Sunny with cloudy periods. Windy at times.
Afternoon Temperature: -4°C
Cloudy.
Evening Temperature: -3°C
Cloudy with a slight chance of flurries.
Saturday, December 6th, 2025
Overnight Temperature: -2°C
Cloudy with flurries likely.
Morning Temperature: -1°C
Cloudy.
Afternoon Temperature: -1°C
Cloudy.
Evening Temperature: 0°C
Cloudy.
Sunday, December 7th, 2025
Overnight Temperature: 1°C
Cloudy.
Morning Temperature: 2°C
Cloudy with a few showers. Showers possibly mixed with wet flurries.
Afternoon Temperature: 2°C
Cloudy with periods of rain. Rain possibly mixed with wet snow at times.
Evening Temperature: 3°C
Cloudy with showers likely. Showers possibly mixed with wet flurries. Windy at times.
Monday, December 8th, 2025
Overnight Temperature: -1°C
Cloudy with a few flurries. Windy.
Morning Temperature: -2°C
Cloudy with a chance of flurries. Windy at times.
Afternoon Temperature: -4°C
A mix of cloud and sun. Windy at times.
Evening Temperature: -6°C
Cloudy.



 

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2:53 AM  -2°C
light snow mist
 
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3:00 AM  0°C
 

 
This WeatherCity Weather Forecast for St Catharines, 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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