Current Conditions
More Information
WeatherCity Home
Switch to Imperial Units
[ Almanac ]  
Sunrise:  5:53 am
Sunset:  8:53 pm
[ Moon Phases ]  

New Moon
Jul 25

First Quarter
Aug 2

Full Moon
Aug 10

Last Quarter
Aug 17




July 18th, 2025 :: 8:06 pm EDT   

Local Weather Report for
St Catharines
Ontario, Canada

 Current St Catharines Weather Conditions Updated July 18th at 7:00 pm 
Mostly Clear
Temperature:23°C Dew Point:8°C
Barometer:102 kPa Wind:N 27 Km/h
Humidity:38.2% Visibility:0 Km
 
 St Catharines Weather Forecast Summary  
 
Today
Jul 18th
Saturday
Jul 19th
Sunday
Jul 20th
Monday
Jul 21st
Tuesday
Jul 22nd
Sunny Cloudy Cloudy Mix of Cloud and Sun Cloudy
26°C
28°C
15°C
27°C
17°C
26°C
15°C
30°C
16°C
 
 St Catharines Detailed Weather Forecast  
 
Friday, July 18th, 2025
Evening Temperature: 17°C
Clear.
Saturday, July 19th, 2025
Overnight Temperature: 17°C
Clear.
Morning Temperature: 26°C
Sunny. Windy at times.
Afternoon Temperature: 26°C
Cloudy. Windy at times.
Evening Temperature: 21°C
Cloudy.
Sunday, July 20th, 2025
Overnight Temperature: 19°C
Cloudy with a chance of showers.
Morning Temperature: 23°C
Cloudy with a chance of showers.
Afternoon Temperature: 25°C
Cloudy. Windy at times.
Evening Temperature: 18°C
Clear.
Monday, July 21st, 2025
Overnight Temperature: 16°C
Clear.
Morning Temperature: 24°C
Sunny.
Afternoon Temperature: 24°C
Sunny.
Evening Temperature: 17°C
A mix of cloudy and clear skies.
Tuesday, July 22nd, 2025
Overnight Temperature: 18°C
A mix of cloudy and clear skies.
Morning Temperature: 28°C
A mix of cloud and sun.
Afternoon Temperature: 28°C
Cloudy.
Evening Temperature: 22°C
Cloudy.
Wednesday, July 23rd, 2025
Overnight Temperature: 22°C
A mix of cloudy and clear skies. Windy at times.
Morning Temperature: 23°C
Cloudy with showers likely. Windy at times.
Afternoon Temperature: 28°C
A mix of cloud and sun with a chance of showers or thundershowers. Windy.
Evening Temperature: 22°C
Cloudy with periods of rain. Slight chance of a thunderstorm. Windy.
Thursday, July 24th, 2025
Overnight Temperature: 21°C
Cloudy. Slight chance of a thunderstorm.
Morning Temperature: 25°C
A mix of cloud and sun with a slight chance of showers or thundershowers.
Afternoon Temperature: 26°C
Cloudy. Chance of a thunderstorm.
Evening Temperature: 20°C
Clear. Slight chance of a thunderstorm.
Friday, July 25th, 2025
Overnight Temperature: 21°C
Cloudy.
Morning Temperature: 25°C
Cloudy with a chance of showers or thundershowers. Windy at times.
Afternoon Temperature: 25°C
Cloudy with a chance of showers or thundershowers. Windy at times.
Evening Temperature: 23°C
Cloudy with showers likely. Chance of a thunderstorm. Windy at times.
Saturday, July 26th, 2025
Overnight Temperature: 22°C
Cloudy with showers likely. Chance of a thunderstorm. Windy at times.
Morning Temperature: 27°C
Sunny with cloudy periods with a chance of showers or thundershowers. Windy at times.
Afternoon Temperature: 28°C
Sunny with a chance of showers. Windy at times.
Evening Temperature: 21°C
Clear.





 

  [ Local Weather Report ]
Niagara-on-the-lake, ON 
7:00 PM  23°C
Mostly Clear
 
Thorold, ON 
7:00 PM  23°C
Mostly Clear
 
Lewiston, NY 
6:53 PM  23°C
 
 
Youngstown, NY 
7:00 PM  23°C
Mostly Clear
 
Niagara Falls, ON 
6:53 PM  23°C
 
 
Niagara Falls, NY 
6:53 PM  23°C
 
 
Pelham, ON 
7:00 PM  23°C
 
 
White Pigeon, ON 
 
Welland, ON 
 
Lincoln, ON 
7:00 PM  23°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

  St Catharines weather brought to you by WeatherCity Server: us-chi1   Rendered in 0.00318s  
Home   |   About WeatherCity