Your local weather forecast for today
St. Catharines, ON — 3 hour detailed weather forecast
ON, Canada » St. Catharines
Forecast for today, Thursday, September 4, 2025
14:00 |
+17° feels like: +17° |
Showers
Relative humidity: 72%, pressure: 746 mm Precipitations: 3.6 mm Wind: 14 km/h, northwest |
17:00 |
+18° feels like: +18° |
A mix of sun and cloud
Relative humidity: 55%, pressure: 746 mm Precipitations: 0.0 mm Wind: 11 km/h, west |
20:00 |
+16° feels like: +16° |
Mainly sunny
Relative humidity: 66%, pressure: 747 mm Precipitations: 0.0 mm Wind: 7 km/h, west |
23:00 |
+14° feels like: +14° |
Clear
Relative humidity: 65%, pressure: 749 mm Precipitations: 0.0 mm Wind: 11 km/h, west |
02:00 |
+12° feels like: +12° |
Clear
Relative humidity: 80%, pressure: 748 mm Precipitations: 0.0 mm Wind: 7 km/h, south |
05:00 |
+13° feels like: +13° |
Clear
Relative humidity: 94%, pressure: 748 mm Precipitations: 0.0 mm Wind: 14 km/h, southeast |
08:00 |
+15° feels like: +15° |
Mainly sunny
Relative humidity: 93%, pressure: 748 mm Precipitations: 0.0 mm Wind: 14 km/h, south |
11:00 |
+22° feels like: +22° |
Mainly sunny
Relative humidity: 61%, pressure: 747 mm Precipitations: 0.0 mm Wind: 32 km/h, southwest |
14:00 |
+24° feels like: +24° |
Mainly sunny
Relative humidity: 51%, pressure: 746 mm Precipitations: 0.0 mm Wind: 36 km/h, southwest |
17:00 |
+24° feels like: +24° |
Clear
Relative humidity: 54%, pressure: 747 mm Precipitations: 0.0 mm Wind: 32 km/h, southwest |