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June 3rd, 2026 :: 9:51 am EDT   

Local Weather Report for
St Catharines
Ontario, Canada

 Current St Catharines Weather Conditions Updated June 3rd at 9:00 am 
Temperature:20°C Dew Point:7°C
Barometer:102.7 kPa Wind:N 10 Km/h
Humidity:42.8% Visibility:0 Km
 
 St Catharines Weather Forecast Summary  
 
Today
Jun 3rd 		Thursday
Jun 4th 		Friday
Jun 5th 		Saturday
Jun 6th 		Sunday
Jun 7th
Mostly Sunny Mostly Sunny Mostly Sunny Mix of Sun and Cloud Mix of Cloud and Sun
24°C
 24°C
13°C		 24°C
15°C		 25°C
17°C		 17°C
15°C
 
 St Catharines Detailed Weather Forecast  
 
Wednesday, June 3rd, 2026
Morning Temperature: 19°C
Sunny.
Afternoon Temperature: 23°C
Sunny.
Evening Temperature: 16°C
Clear.
Thursday, June 4th, 2026
Overnight Temperature: 13°C
Mostly clear.
Morning Temperature: 19°C
Mostly sunny.
Afternoon Temperature: 23°C
Mostly sunny. Windy at times.
Evening Temperature: 17°C
Mostly clear.
Friday, June 5th, 2026
Overnight Temperature: 15°C
Mostly clear.
Morning Temperature: 20°C
Sunny with cloudy periods. Windy at times.
Afternoon Temperature: 24°C
A mix of sun and cloud. Windy at times.
Evening Temperature: 20°C
A mix of clear and cloudy skies. Windy at times.
Saturday, June 6th, 2026
Overnight Temperature: 19°C
Mostly clear. Windy at times.
Morning Temperature: 21°C
Mostly sunny. Windy.
Afternoon Temperature: 24°C
A mix of cloud and sun. Windy.
Evening Temperature: 18°C
Cloudy with a chance of showers.
Sunday, June 7th, 2026
Overnight Temperature: 16°C
A mix of clear and cloudy skies with a chance of showers.
Morning Temperature: 17°C
Mostly cloudy. Windy at times.
Afternoon Temperature: 16°C
Mostly cloudy. Windy at times.
Evening Temperature: 16°C
Mostly clear.
Monday, June 8th, 2026
Overnight Temperature: 14°C
A mix of cloudy and clear skies. Windy at times.
Morning Temperature: 16°C
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 19°C
A mix of sun and cloud. Windy at times.
Evening Temperature: 15°C
A mix of cloudy and clear skies. Windy at times.
Tuesday, June 9th, 2026
Overnight Temperature: 13°C
Clear.
Morning Temperature: 17°C
Sunny. Windy at times.
Afternoon Temperature: 23°C
Sunny with cloudy periods. Windy at times.
Evening Temperature: 19°C
Mostly clear.
Wednesday, June 10th, 2026
Overnight Temperature: 16°C
A mix of cloudy and clear skies.
Morning Temperature: 21°C
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 23°C
Mostly cloudy. Windy at times.
Evening Temperature: 20°C
A mix of cloudy and clear skies.
Thursday, June 11th, 2026
Overnight Temperature: 17°C
A mix of cloudy and clear skies.
Morning Temperature: 22°C
Mostly sunny.
Afternoon Temperature: 27°C
Mostly sunny.
Evening Temperature: 22°C
Mostly cloudy.



 

  [ Local Weather Report ]
Niagara-on-the-lake, ON 
9:00 AM  20°C
 
 
Thorold, ON 
9:00 AM  20°C
 
 
Lewiston, NY 
8:53 AM  18°C
 
 
Youngstown, NY 
 
Niagara Falls, ON 
 
Niagara Falls, NY 
8:53 AM  18°C
 
 
Pelham, ON 
 
White Pigeon, ON 
 
Welland, ON 
 
Lincoln, ON 
9:00 AM  21°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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