Your local weather forecast for today
St. Catharines, ON — 3 hour detailed weather forecast
ON, Canada » St. Catharines
Forecast for today, Tuesday, March 17, 2026
11:00 |
-7° feels like: -16° |
Overcast
Relative humidity: 61%, pressure: 751 mm Precipitations: 0.0 mm Wind: 32 km/h, west |
14:00 |
-4° feels like: -13° |
Overcast
Relative humidity: 56%, pressure: 753 mm Precipitations: 0.0 mm Wind: 32 km/h, west |
17:00 |
-5° feels like: -13° |
Overcast
Relative humidity: 57%, pressure: 755 mm Precipitations: 0.2 mm Wind: 29 km/h, west |
20:00 |
-5° feels like: -13° |
Overcast
Relative humidity: 59%, pressure: 756 mm Precipitations: 0.2 mm Wind: 22 km/h, west |
23:00 |
-6° feels like: -13° |
Mainly sunny
Relative humidity: 56%, pressure: 758 mm Precipitations: 0.0 mm Wind: 22 km/h, west |
02:00 |
-6° feels like: -10° |
Mainly sunny
Relative humidity: 62%, pressure: 759 mm Precipitations: 0.0 mm Wind: 7 km/h, southwest |
05:00 |
-5° feels like: -9° |
Mainly sunny
Relative humidity: 60%, pressure: 760 mm Precipitations: 0.0 mm Wind: 7 km/h, south |
08:00 |
-6° feels like: -10° |
Mainly sunny
Relative humidity: 64%, pressure: 761 mm Precipitations: 0.0 mm Wind: 7 km/h, southeast |
11:00 |
-3° feels like: -8° |
Overcast
Relative humidity: 57%, pressure: 761 mm Precipitations: 0.0 mm Wind: 14 km/h, south |
14:00 |
-1° feels like: -6° |
Overcast
Relative humidity: 55%, pressure: 760 mm Precipitations: 0.1 mm Wind: 22 km/h, southwest |