Your local weather forecast for today
St. Catharines, ON — 3 hour detailed weather forecast
ON, Canada » St. Catharines
Forecast for today, Thursday, June 18, 2026
08:00 |
+22° feels like: +22° |
Showers
Relative humidity: 85%, pressure: 736 mm Precipitations: 2.6 mm Wind: 29 km/h, southwest |
11:00 |
+24° feels like: +24° |
Showers
Relative humidity: 71%, pressure: 737 mm Precipitations: 0.3 mm Wind: 32 km/h, west |
14:00 |
+23° feels like: +23° |
Light showers
Relative humidity: 68%, pressure: 739 mm Precipitations: 0.5 mm Wind: 32 km/h, west |
17:00 |
+22° feels like: +22° |
Light showers
Relative humidity: 56%, pressure: 741 mm Precipitations: 0.4 mm Wind: 32 km/h, west |
20:00 |
+19° feels like: +19° |
Clear
Relative humidity: 69%, pressure: 744 mm Precipitations: 0.0 mm Wind: 25 km/h, west |
23:00 |
+18° feels like: +18° |
Clear
Relative humidity: 73%, pressure: 746 mm Precipitations: 0.0 mm Wind: 22 km/h, west |
02:00 |
+17° feels like: +17° |
Clear
Relative humidity: 78%, pressure: 746 mm Precipitations: 0.0 mm Wind: 22 km/h, west |
05:00 |
+16° feels like: +16° |
Clear
Relative humidity: 80%, pressure: 746 mm Precipitations: 0.0 mm Wind: 18 km/h, west |
08:00 |
+17° feels like: +17° |
Clear
Relative humidity: 75%, pressure: 747 mm Precipitations: 0.0 mm Wind: 18 km/h, west |
11:00 |
+21° feels like: +21° |
Clear
Relative humidity: 63%, pressure: 747 mm Precipitations: 0.0 mm Wind: 25 km/h, west |