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

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Updated: @ 13/06/2026 23:40 - next update at 00:00  
Summary / Temperature Wind Rain Outlook
Night time, Dry, Mostly cloudy Night time, Dry, Mostly cloudy
Currently: 64.2, Max: 87.8, Min: 57.6 64.2°C
Colder 2.2°C than last hour.

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Feels like: 64.2°C

24-hr difference
-1.8°CColder 1.8°C than yesterday at this time.
  Today Yesterday
High: 87.8°C
15:16 		92.9°C
13:35
Low: 57.6°C
04:37 		60.1°C
06:01
Calm N
0
Gust:
 0 km/h
0 Bft - Calm
Today: 12 km/h 14:59
Gust Month: 18.1 km/h June 8
Rain Today: 0 mm
Rain Rate (/hr): 0 mm
Rain Yesterday: 0 mm
Storm Rain: 0 mm
This Month: 0 mm
Season Total: 20.27 mm
15 days since last rain.
Sun, 14 Jun
Showers
Showers
Humidity & Barometer Almanac Moon
Humidity: 80 % Increased 5.0% since last hour.
Dew Point: 57.9°C Decreased 0.3°C since last hour.
Barometer: 29.861 hPa  
Baro Trend: Steady
Sunrise: 05:47
Sunset: 20:29
Moonrise: 04:52
Moonset: 19:24
Waning Crescent
Waning Crescent, Moon at 28 days in cycle
1%
Illuminated
UV Index Forecast UV Index Forecast
14/06/2026
9.4     Very High 
15/06/2026
9.2     Very High 
 EC Weather Forecast  - Outlook: Tonight & Sun, 14 Jun
Tonight
Increasing cloudiness
Increasing cloudiness
Min: 21°C
 EC forecast: Clear. Increasing cloudiness overnight. Wind southwest 30 km/h. Low 21.
WXSIM forecast: Mostly clear in the evening, becoming clear after midnight. Low 49°. Wind southwest around 2 mph.
Davis VP+ forecast: Partly cloudy and cooler.
 
Sun, 14 Jun
Showers
Showers
Max: 22°C
 EC forecast: Cloudy. 40 percent chance of showers in the morning. Showers beginning near noon. Risk of a thunderstorm in the afternoon. Wind southwest 20 km/h becoming light in the morning. Wind becoming northwest 30 in the afternoon. High 21 with temperature falling to 16 in the afternoon. Humidex 27. UV index 6 or high.
WXSIM forecast: Sunny. High 87°. UV index up to 10. Wind west-southwest around 3 mph.