Your local weather forecast for today
St. Catharines, ON — 3 hour detailed weather forecast
ON, Canada » St. Catharines
Forecast for today, Monday, December 15, 2025
01:00 |
-10° feels like: -16° |
A mix of sun and cloud
Relative humidity: 79%, pressure: 762 mm Precipitations: 0.0 mm Wind: 11 km/h, west |
04:00 |
-9° feels like: -17° |
A mix of sun and cloud
Relative humidity: 79%, pressure: 762 mm Precipitations: 0.0 mm Wind: 18 km/h, southwest |
07:00 |
-7° feels like: -14° |
Overcast
Relative humidity: 80%, pressure: 761 mm Precipitations: 0.0 mm Wind: 18 km/h, southwest |
10:00 |
-6° feels like: -13° |
Light snow
Relative humidity: 76%, pressure: 761 mm Precipitations: 0.1 mm Wind: 22 km/h, southwest |
13:00 |
-4° feels like: -12° |
Snow
Relative humidity: 74%, pressure: 759 mm Precipitations: 0.5 mm Wind: 25 km/h, west |
16:00 |
-3° feels like: -10° |
Snow
Relative humidity: 78%, pressure: 757 mm Precipitations: 0.5 mm Wind: 25 km/h, southwest |
19:00 |
-4° feels like: -11° |
Overcast
Relative humidity: 74%, pressure: 756 mm Precipitations: 0.0 mm Wind: 25 km/h, southwest |
22:00 |
-6° feels like: -14° |
Overcast
Relative humidity: 64%, pressure: 756 mm Precipitations: 0.1 mm Wind: 22 km/h, west |
01:00 |
-8° feels like: -15° |
A mix of sun and cloud
Relative humidity: 74%, pressure: 756 mm Precipitations: 0.0 mm Wind: 14 km/h, west |