Your local weather forecast for today
St. Catharines, ON — 3 hour detailed weather forecast
ON, Canada » St. Catharines
Forecast for today, Wednesday, September 3, 2025
02:00 |
+16° feels like: +16° |
Clear
Relative humidity: 83%, pressure: 752 mm Precipitations: 0.0 mm Wind: 11 km/h, south |
05:00 |
+17° feels like: +17° |
Clear
Relative humidity: 85%, pressure: 751 mm Precipitations: 0.0 mm Wind: 11 km/h, south |
08:00 |
+19° feels like: +19° |
Clear
Relative humidity: 88%, pressure: 751 mm Precipitations: 0.0 mm Wind: 7 km/h, south |
11:00 |
+26° feels like: +26° |
Clear
Relative humidity: 56%, pressure: 750 mm Precipitations: 0.0 mm Wind: 18 km/h, south |
14:00 |
+27° feels like: +27° |
Clear
Relative humidity: 47%, pressure: 749 mm Precipitations: 0.0 mm Wind: 25 km/h, southwest |
17:00 |
+27° feels like: +27° |
Clear
Relative humidity: 42%, pressure: 747 mm Precipitations: 0.0 mm Wind: 22 km/h, southwest |
20:00 |
+22° feels like: +22° |
Clear
Relative humidity: 61%, pressure: 746 mm Precipitations: 0.0 mm Wind: 11 km/h, south |
23:00 |
+20° feels like: +20° |
A mix of sun and cloud
Relative humidity: 80%, pressure: 746 mm Precipitations: 0.0 mm Wind: 14 km/h, south |
02:00 |
+20° feels like: +20° |
A mix of sun and cloud
Relative humidity: 75%, pressure: 745 mm Precipitations: 0.0 mm Wind: 18 km/h, southwest |
05:00 |
+19° feels like: +19° |
Overcast
Relative humidity: 86%, pressure: 745 mm Precipitations: 0.0 mm Wind: 18 km/h, south |