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

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Updated: @ 09/10/2026 13:15 - next update at 00:00  
Summary / Temperature Wind Rain Outlook
Sunny, Dry Sunny, Dry
Currently: 73.3, Max: 73.3, Min: 56.3 73.3°C
Warmer 3.9°C than last hour.

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Feels like: 76.3°C

24-hr difference
-10.7°CColder 10.7°C than yesterday at this time.
  Today Yesterday
High: 73.3°C
13:13 		90.3°C
15:46
Low: 56.3°C
06:31 		57.5°C
07:18
Wind from W W
2.2
Gust:
 1 km/h
1 Bft - Light Air
Today: 7 km/h 10:43
Gust Month: 11.0 km/h October 4
Rain Today: 0 mm
Rain Rate (/hr): 0 mm
Rain Yesterday: 0 mm
Storm Rain: 0 mm
This Month: 0 mm
Season Total: 0 mm
34 days since last rain.
Sat, 10 Oct
A mix of sun and cloud
A mix of sun and cloud
Humidity & Barometer Almanac Moon
Humidity: 62 % Decreased 7.0% since last hour.
Dew Point: 59.5°C Increased 0.8°C since last hour.
Barometer: 29.723 hPa  
Baro Trend: Falling
Sunrise: 07:10
Sunset: 18:40
Moonrise: 06:10
Moonset: 17:31
Waning Crescent
Waning Crescent, Moon at 28 days in cycle
1%
Illuminated
UV Index Forecast UV Index Forecast
09/10/2026
5.5     Medium 
10/10/2026
5.2     Medium 
 EC Weather Forecast  - Outlook: Tonight & Sat, 10 Oct
Tonight
Clearing
Clearing
Min: 6°C
 EC forecast: Clearing early this evening. Wind west 20 km/h becoming light this evening. Low 6.
WXSIM forecast: Clear. High 75°. Wind west around 4 mph.
Davis VP+ forecast: Partly cloudy with little temp change.
 
Sat, 10 Oct
A mix of sun and cloud
A mix of sun and cloud
Max: 20°C
 EC forecast: A mix of sun and cloud. High 20. UV index 5 or moderate.
WXSIM forecast: Mostly clear in the evening, becoming fair after midnight. Patchy light fog. Low 51°. Wind southwest around 2 mph.