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No watches or warnings in effect for St. Catharines, ON.

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Updated: @ 07/08/2026 13:11 - next update at 13:12  
Summary / Temperature Wind Rain Outlook
Day time Day time
Currently: 24.3°C, Max: 24.6°C, Min: 10.9°C 24.3°C
Warmer 1.5°C than last hour.

Comfortable

Feels like: 25.3°C

24-hr difference
-2.4°CColder 2.4°C than yesterday at this time.
  Today Yesterday
High: 24.6°C
12:44 		28.3°C
15:07
Low: 10.9°C
05:58 		12.2°C
06:21
Wind from SW SW
7.7
Gust:
 4.8 km/h
1 Bft - Light Breeze
Today: 14.8 km/h 12:48
Gust Month: 35.3 km/h July 1
Rain Today: 0 mm
Rain Rate (/hr): 0 mm
Rain Yesterday: 0 mm
Storm Rain: 0 mm
This Month: 2.4 mm
Season Total: 2.4 mm
1 rain day in July.
Tonight
Clear
Clear
Humidity & Barometer Almanac Moon
Humidity: 69 % Decreased 1.0% since last hour.
Dew Point: 18.3°C Increased 1.2°C since last hour.
Barometer: 1015.1 mb Falling 0.6 mb/hr
Baro Trend: Falling slowly
Sunrise: 05:41
Sunset: 21:16
Moonrise: 00:45
Moonset: 14:54
Waning Crescent
Waning Crescent, Moon at 23 days in cycle
41%
Illuminated
UV Index Solar Radiation
   3.9     Medium 
High: 4.7 @ 12:57
742 W/m2 (0 %)
High: 874 @  12:36
 EC Weather Forecast  - Outlook: Today & Tonight
Today
Sunny
Sunny
Max: 31°C
 EC forecast: Sunny. High 31. Humidex 39. UV index 9 or very high.
Davis VP+ forecast: Increasing clouds with little temp change.
 
Tonight
Clear
Clear
Min: 21°C
 EC forecast: Clear. Low 21.