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

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Updated: @ 20/01/2025 18:30 - next update at 00:00  
Summary / Temperature Wind Rain Outlook
Night time, Dry, Mostly cloudy Night time, Dry, Mostly cloudy
Currently: 50.2, Max: 60.2, Min: 35.9 50.2°C
Colder 4.5°C than last hour.

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Feels like: 50°C

24-hr difference
1°CWarmer 1.0°C than yesterday at this time.
  Today Yesterday
High: 60.2°C
14:58 		51°C
15:50
Low: 35.9°C
05:54 		34.9°C
07:33
Wind from SSW SSW
1
Gust:
 1 km/h
0 Bft - Light Air
Today: 16.1 km/h 12:40
Gust Month: 19.0 km/h January 11
Rain Today: 0 mm
Rain Rate (/hr): 0 mm
Rain Yesterday: 0 mm
Storm Rain: 0 mm
This Month: 0.09 mm
Season Total: 7.71 mm
2 rain days in January.
Tue, 21 Jan
Chance of flurries (40%)
Chance of flurries
Humidity & Barometer Almanac Moon
Humidity: 44 % Increased 8.0% since last hour.
Dew Point: 29.1°C Increased 0.8°C since last hour.
Barometer: 30.321 hPa  
Baro Trend: Rising
Sunrise: 07:18
Sunset: 17:20
Moonrise: 00:14
Moonset: 11:06
Waning Gibbous
Waning Gibbous, Moon at 21 days in cycle
57%
Illuminated
UV Index Forecast UV Index Forecast
20/01/2025
2.1     Low 
21/01/2025
2.1     Low 
 EC Weather Forecast  - Outlook: Tonight & Tue, 21 Jan
Tonight
Chance of flurries (30%)
Chance of flurries
Min: -15°C
 EC forecast: Mainly cloudy with 30 percent chance of flurries. Wind west 30 km/h gusting to 50. Low minus 15. Wind chill minus 19 this evening and minus 24 overnight.
WXSIM forecast: Clear. Low 34°. Wind east-northeast around 2 mph.
Davis VP+ forecast: Mostly clear with little temp change.
 
Tue, 21 Jan
Chance of flurries (40%)
Chance of flurries
Max: -10°C
 EC forecast: Mainly cloudy with 40 percent chance of flurries. Wind west 30 km/h gusting to 50. High minus 10. Wind chill near minus 24. UV index 1 or low.
WXSIM forecast: Sunny in the morning, becoming partly cloudy in the afternoon. High 61°. Wind northeast around 2 mph in the morning, becoming northwest in the afternoon.