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

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Updated: @ 07/07/2026 13:41 - next update at 13:42  
Summary / Temperature Wind Rain Outlook
Day time Day time
Currently: 26.4°C, Max: 26.7°C, Min: 12.2°C 26.4°C
Warmer 0.3°C than last hour.

Warm

Feels like: 27.4°C

24-hr difference
1.6°CWarmer 1.6°C than yesterday at this time.
  Today Yesterday
High: 26.7°C
13:09 		26.1°C
15:16
Low: 12.2°C
06:21 		11.4°C
05:57
Wind from SSW SSW
5.8
Gust:
 1.6 km/h
1 Bft - Light Breeze
Today: 19.3 km/h 12:14
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
A few clouds
A few clouds
Humidity & Barometer Almanac Moon
Humidity: 62 % Decreased 2.0% since last hour.
Dew Point: 18.5°C Decreased 0.3°C since last hour.
Barometer: 1020.6 mb Falling 0.6 mb/hr
Baro Trend: Falling slowly
Sunrise: 05:41
Sunset: 21:17
Moonrise: 00:26
Moonset: 13:40
Waning Gibbous
Waning Gibbous, Moon at 22 days in cycle
51%
Illuminated
UV Index Solar Radiation
   4.1     Medium 
High: 5.3 @ 12:54
984 W/m2 (0 %)
High: 1014 @  12:54
 EC Weather Forecast  - Outlook: Today & Tonight
Today
A mix of sun and cloud
A mix of sun and cloud
Max: 26°C
 EC forecast: A mix of sun and cloud. Wind northeast 20 km/h. High 26. Humidex 34. UV index 8 or very high.
Davis VP+ forecast: Increasing clouds and warmer, precipitation possible within 12 to 24 hrs, windy.
 
Tonight
A few clouds
A few clouds
Min: 18°C
 EC forecast: Clear. Becoming partly cloudy after midnight. Wind northeast 20 km/h becoming light this evening. Low 18.