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
19:00 |
-4° feels like: -11° |
Overcast
Relative humidity: 74%, pressure: 755 mm Precipitations: 0.0 mm Wind: 29 km/h, southwest |
22:00 |
-5° feels like: -12° |
A mix of sun and cloud
Relative humidity: 64%, pressure: 756 mm Precipitations: 0.0 mm Wind: 25 km/h, west |
01:00 |
-6° feels like: -13° |
A mix of sun and cloud
Relative humidity: 64%, pressure: 756 mm Precipitations: 0.0 mm Wind: 18 km/h, west |
04:00 |
-8° feels like: -14° |
A mix of sun and cloud
Relative humidity: 75%, pressure: 756 mm Precipitations: 0.0 mm Wind: 14 km/h, southwest |
07:00 |
-8° feels like: -14° |
Partly cloudy
Relative humidity: 80%, pressure: 756 mm Precipitations: 0.0 mm Wind: 14 km/h, southwest |
10:00 |
-5° feels like: -10° |
Overcast
Relative humidity: 73%, pressure: 757 mm Precipitations: 0.0 mm Wind: 11 km/h, southwest |
13:00 |
-2° feels like: -8° |
Overcast
Relative humidity: 74%, pressure: 754 mm Precipitations: 0.0 mm Wind: 22 km/h, southwest |
16:00 |
0° feels like: -6° |
A mix of sun and cloud
Relative humidity: 69%, pressure: 752 mm Precipitations: 0.0 mm Wind: 22 km/h, southwest |
19:00 |
+1° feels like: +-6° |
A mix of sun and cloud
Relative humidity: 70%, pressure: 751 mm Precipitations: 0.0 mm Wind: 25 km/h, southwest |