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

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Updated: @ 13/03/2025 11:50 - next update at 00:00  
Summary / Temperature Wind Rain Outlook
Mostly sunny, Dry Mostly sunny, Dry
Currently: 49.4, Max: 49.4, Min: 42.5 49.4°C
Warmer 2.8°C than last hour.

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Feels like: 48°C

24-hr difference
-8.7°CColder 8.7°C than yesterday at this time.
  Today Yesterday
High: 49.4°C
11:49
59°C
11:58
Low: 42.5°C
04:06
45.1°C
23:54
 Wind from NW NW
4.9
Gust:
5 km/h
2 Bft - Light Breeze
Today: 12 km/h 11:48
Gust Month: 40.0 km/h March 12
Rain Today: 0.16 mm
Rain Rate (/hr): 0 mm
Rain Yesterday: 1.29 mm
Storm Rain: 1.45 mm
This Month: 1.81 mm
Season Total: 16.28 mm
2 rain days in March.
Tonight
Clear
Clear
Humidity & Barometer Almanac Moon
Humidity: 90 % Decreased 7.0% since last hour.
Dew Point: 46.6°C Increased 0.8°C since last hour.
Barometer: 29.862 hPa  
Baro Trend: Steady
Sunrise: 07:21
Sunset: 19:13
Moonset: 07:11
Moonrise: 18:03
Full Moon
Full Moon, Moon at 14 days in cycle
100%
Illuminated
UV Index Forecast UV Index Forecast
13/03/2025
3.8     Medium 
14/03/2025
4.5     Medium 
 EC Weather Forecast  - Outlook: Today & Tonight
Today
Sunny
Sunny

Max: 7°C
EC forecast: Sunny. High 7. UV index 5 or moderate.
WXSIM forecast: Partly to mostly cloudy in the morning, becoming mostly sunny in the afternoon. A chance of rain in the morning, then a slight chance of rain in the afternoon. High 54°. Wind west-northwest around 8 mph, gusting to 19 mph, in the morning, becoming 12 mph, gusting to 22 mph, in the afternoon. Chance of precipitation 40 percent. Precipitation mostly less than a tenth of an inch.
Davis VP+ forecast: Partly cloudy and cooler.
 
Tonight
Clear
Clear

Min: -2°C
EC forecast: Clear. Wind up to 15 km/h. Low minus 2. Wind chill minus 4 overnight.
WXSIM forecast: Mostly cloudy to cloudy in the evening, becoming dense overcast after midnight. Patchy light fog after midnight. A slight chance of rain in the evening, then rain likely after midnight. Low 43°. Wind west around 6 mph, gusting to 20 mph, in the evening, becoming south after midnight. Chance of precipitation 60 percent. Precipitation mostly around a quarter of an inch.