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

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Updated: @ 07/06/2026 13:27 - next update at 13:28  
Summary / Temperature Wind Rain Outlook
Day time Day time
Currently: 24.8°C, Max: 24.8°C, Min: 11.4°C 24.8°C
Warmer 0.3°C than last hour.

Comfortable

Feels like: 25.8°C

24-hr difference
1.1°CWarmer 1.1°C than yesterday at this time.
  Today Yesterday
High: 24.8°C
13:00 		24.6°C
13:36
Low: 11.4°C
05:57 		14.3°C
06:15
Wind from E E
1.5
Gust:
 3.2 km/h
1 Bft - Calm
Today: 19.3 km/h 13:18
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
Chance of showers (60%)
Chance of showers
Humidity & Barometer Almanac Moon
Humidity: 63 % Decreased 4.0% since last hour.
Dew Point: 17.3°C Decreased 0.7°C since last hour.
Barometer: 1021.8 mb Falling 0.4 mb/hr
Baro Trend: Steady
Sunrise: 05:40
Sunset: 21:17
Moonrise: 00:09
Moonset: 12:28
Waning Gibbous
Waning Gibbous, Moon at 21 days in cycle
62%
Illuminated
UV Index Solar Radiation
   4.8     Medium 
High: 4.8 @ 13:15
911 W/m2 (0 %)
High: 916 @  12:54
 EC Weather Forecast  - Outlook: Today & Tonight
Today
Chance of showers (60%)
Chance of showers
Max: 25°C
 EC forecast: Mainly cloudy with 60 percent chance of showers and risk of a thunderstorm. Wind becoming northeast 20 km/h early this afternoon. High 25. Humidex 33. UV index 7 or high.
Davis VP+ forecast: Increasing clouds with little temp change, precipitation possible within 24 to 48 hrs.
 
Tonight
Chance of showers (60%)
Chance of showers
Min: 17°C
 EC forecast: Partly cloudy. 60 percent chance of showers early this evening with risk of a thunderstorm. Low 17.