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May 28th, 2026 :: 8:46 am EDT   

Local Weather Report for
St Catharines
Ontario, Canada

 Current St Catharines Weather Conditions Updated May 28th at 8:00 am 
Mostly Cloudy
Temperature:14°C Dew Point:8°C
Barometer:101.8 kPa Wind:N 27 Km/h
Humidity:67.1% Visibility:0 Km
 
 St Catharines Weather Forecast Summary  
 
Today
May 28th 		Friday
May 29th 		Saturday
May 30th 		Sunday
May 31st 		Monday
Jun 1st
Mostly Sunny Mostly Sunny Sunny Mostly Sunny Mostly Sunny
18°C
 21°C
10°C		 17°C
7°C		 20°C
9°C		 21°C
14°C
 
 St Catharines Detailed Weather Forecast  
 
Thursday, May 28th, 2026
Morning Temperature: 14°C
Sunny. Windy at times.
Afternoon Temperature: 18°C
Mostly sunny. Windy at times.
Evening Temperature: 14°C
Clear.
Friday, May 29th, 2026
Overnight Temperature: 11°C
Mostly clear.
Morning Temperature: 15°C
Sunny. Windy at times.
Afternoon Temperature: 20°C
Sunny with cloudy periods. Windy at times.
Evening Temperature: 14°C
Clear. Windy at times.
Saturday, May 30th, 2026
Overnight Temperature: 8°C
Clear. Windy at times.
Morning Temperature: 11°C
Mostly sunny. Windy at times.
Afternoon Temperature: 17°C
Sunny. Windy at times.
Evening Temperature: 13°C
Clear.
Sunday, May 31st, 2026
Overnight Temperature: 10°C
Clear with cloudy periods.
Morning Temperature: 15°C
A mix of sun and cloud.
Afternoon Temperature: 20°C
Sunny. Windy at times.
Evening Temperature: 15°C
Mostly clear.
Monday, June 1st, 2026
Overnight Temperature: 14°C
Mostly cloudy.
Morning Temperature: 16°C
Mostly sunny.
Afternoon Temperature: 20°C
Sunny.
Evening Temperature: 16°C
Clear with cloudy periods.
Tuesday, June 2nd, 2026
Overnight Temperature: 11°C
Clear.
Morning Temperature: 16°C
Sunny. Windy at times.
Afternoon Temperature: 20°C
Mostly sunny. Windy at times.
Evening Temperature: 15°C
Clear.
Wednesday, June 3rd, 2026
Overnight Temperature: 11°C
Clear.
Morning Temperature: 17°C
Sunny.
Afternoon Temperature: 21°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: 24°C
Mostly sunny. Windy at times.
Evening Temperature: 19°C
Mostly clear.
Friday, June 5th, 2026
Overnight Temperature: 18°C
A mix of clear and cloudy skies. Windy at times.
Morning Temperature: 19°C
Mostly cloudy with a chance of showers. Windy at times.
Afternoon Temperature: 19°C
Cloudy with a chance of showers. Windy at times.
Evening Temperature: 17°C
Clear with cloudy periods with a slight chance of showers. Windy at times.



 

  [ Local Weather Report ]
Niagara-on-the-lake, ON 
8:00 AM  14°C
Mostly Cloudy
 
Thorold, ON 
8:00 AM  14°C
Mostly Cloudy
 
Lewiston, NY 
7:53 AM  13°C
Overcast
 
Youngstown, NY 
 
Niagara Falls, ON 
 
Niagara Falls, NY 
7:53 AM  13°C
Overcast
 
Pelham, ON 
 
White Pigeon, ON 
 
Welland, ON 
 
Lincoln, ON 
8:00 AM  12°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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