Your local weather forecast for today
St. Catharines, ON — 3 hour detailed weather forecast
ON, Canada » St. Catharines
Forecast for today, Sunday, May 3, 2026
02:00 |
+4° feels like: +1° |
Clear
Relative humidity: 82%, pressure: 752 mm Precipitations: 0.0 mm Wind: 7 km/h, west |
05:00 |
+3° feels like: +0° |
Mainly sunny
Relative humidity: 76%, pressure: 752 mm Precipitations: 0.0 mm Wind: 7 km/h, west |
08:00 |
+6° feels like: +3° |
Clear
Relative humidity: 69%, pressure: 752 mm Precipitations: 0.0 mm Wind: 11 km/h, southwest |
11:00 |
+10° feels like: +7° |
Partly cloudy
Relative humidity: 61%, pressure: 752 mm Precipitations: 0.0 mm Wind: 14 km/h, southwest |
14:00 |
+12° feels like: +12° |
A mix of sun and cloud
Relative humidity: 55%, pressure: 750 mm Precipitations: 0.0 mm Wind: 25 km/h, southwest |
17:00 |
+13° feels like: +13° |
Overcast
Relative humidity: 58%, pressure: 748 mm Precipitations: 0.1 mm Wind: 22 km/h, southwest |
20:00 |
+11° feels like: +11° |
A mix of sun and cloud
Relative humidity: 68%, pressure: 748 mm Precipitations: 0.0 mm Wind: 18 km/h, southwest |
23:00 |
+11° feels like: +11° |
Clear
Relative humidity: 56%, pressure: 748 mm Precipitations: 0.0 mm Wind: 22 km/h, southwest |
02:00 |
+11° feels like: +11° |
Mainly sunny
Relative humidity: 63%, pressure: 747 mm Precipitations: 0.0 mm Wind: 22 km/h, southwest |