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December 30th, 2025 :: 12:14 pm EST   

Local Weather Report for
St Catharines
Ontario, Canada

 Current St Catharines Weather Conditions Updated December 30th at 11:00 am 
Overcast
Temperature:-4°C Dew Point:-11°C
Barometer:100.8 kPa Wind:N 72 Km/h
Humidity:57.3% Visibility:0 Km
 
 St Catharines Weather Forecast Summary  
 
Today
Dec 30th 		Wednesday
Dec 31st 		Thursday
Jan 1st 		Friday
Jan 2nd 		Saturday
Jan 3rd
Cloudy Cloudy Cloudy Cloudy Cloudy
-4°C
 -3°C
-7°C		 -7°C
-9°C		 -5°C
-8°C		 -5°C
-9°C
 
 St Catharines Detailed Weather Forecast  
 
Tuesday, December 30th, 2025
Afternoon Temperature: -5°C
Cloudy. Windy.
Evening Temperature: -5°C
Cloudy. Windy.
Wednesday, December 31st, 2025
Overnight Temperature: -6°C
Cloudy. Windy at times.
Morning Temperature: -4°C
Cloudy. Windy at times.
Afternoon Temperature: -5°C
Cloudy with a chance of flurries. Windy at times.
Evening Temperature: -7°C
Clear with cloudy periods with a chance of flurries. Windy at times.
Thursday, January 1st, 2026
Overnight Temperature: -9°C
Cloudy with a slight chance of flurries.
Morning Temperature: -8°C
Sunny with cloudy periods with a slight chance of flurries. Windy at times.
Afternoon Temperature: -8°C
Cloudy. Windy at times.
Evening Temperature: -8°C
Cloudy. Windy at times.
Friday, January 2nd, 2026
Overnight Temperature: -8°C
Cloudy. Windy at times.
Morning Temperature: -6°C
Cloudy. Windy at times.
Afternoon Temperature: -6°C
Sunny with cloudy periods. Windy at times.
Evening Temperature: -8°C
Clear with cloudy periods. Windy at times.
Saturday, January 3rd, 2026
Overnight Temperature: -8°C
Clear with cloudy periods. Windy at times.
Morning Temperature: -6°C
Cloudy. Windy at times.
Afternoon Temperature: -6°C
A mix of cloud and sun with a chance of flurries. Windy at times.
Evening Temperature: -7°C
Cloudy. Windy at times.
Sunday, January 4th, 2026
Overnight Temperature: -7°C
Clear with cloudy periods.
Morning Temperature: -5°C
Cloudy with a slight chance of flurries. Windy at times.
Afternoon Temperature: -4°C
Cloudy with sunny periods.
Evening Temperature: -5°C
Cloudy.
Monday, January 5th, 2026
Overnight Temperature: -4°C
Cloudy with a chance of flurries.
Morning Temperature: -2°C
Cloudy with flurries likely.
Afternoon Temperature: -2°C
Cloudy with a chance of flurries.
Evening Temperature: -4°C
Clear with cloudy periods.
Tuesday, January 6th, 2026
Overnight Temperature: -8°C
A mix of cloudy and clear skies.
Morning Temperature: -8°C
Cloudy.
Afternoon Temperature: -9°C
Sunny with cloudy periods.
Evening Temperature: -11°C
Clear.
Wednesday, January 7th, 2026
Overnight Temperature: -12°C
Clear.
Morning Temperature: -7°C
A mix of cloud and sun.
Afternoon Temperature: -5°C
Cloudy.
Evening Temperature: -6°C
Cloudy.



 

  [ Local Weather Report ]
Niagara-on-the-lake, ON 
11:00 AM  -4°C
Overcast
 
Thorold, ON 
11:00 AM  -4°C
Overcast
 
Lewiston, NY 
10:53 AM  -5°C
light snow
 
Youngstown, NY 
 
Niagara Falls, ON 
 
Niagara Falls, NY 
10:53 AM  -5°C
light snow
 
Pelham, ON 
 
White Pigeon, ON 
 
Welland, ON 
 
Lincoln, ON 
11:00 AM  -3°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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