Your local weather forecast for today
St. Catharines, ON — 3 hour detailed weather forecast
ON, Canada » St. Catharines
Forecast for today, Sunday, April 19, 2026
11:00 |
+8° feels like: +4° |
Overcast
Relative humidity: 51%, pressure: 754 mm Precipitations: 0.3 mm Wind: 22 km/h, northwest |
14:00 |
+7° feels like: +3° |
Partly cloudy
Relative humidity: 56%, pressure: 753 mm Precipitations: 0.3 mm Wind: 18 km/h, west |
17:00 |
+7° feels like: +4° |
A mix of sun and cloud
Relative humidity: 52%, pressure: 752 mm Precipitations: 0.2 mm Wind: 18 km/h, west |
20:00 |
+3° feels like: +0° |
Overcast
Relative humidity: 83%, pressure: 754 mm Precipitations: 1.1 mm Wind: 11 km/h, southwest |
23:00 |
+3° feels like: +-2° |
Overcast
Relative humidity: 57%, pressure: 756 mm Precipitations: 0.2 mm Wind: 18 km/h, northwest |
02:00 |
0° feels like: -5° |
Mainly sunny
Relative humidity: 57%, pressure: 757 mm Precipitations: 0.0 mm Wind: 22 km/h, northwest |
05:00 |
0° feels like: -5° |
Mainly sunny
Relative humidity: 50%, pressure: 758 mm Precipitations: 0.0 mm Wind: 18 km/h, northwest |
08:00 |
0° feels like: -5° |
Partly cloudy
Relative humidity: 56%, pressure: 760 mm Precipitations: 0.4 mm Wind: 18 km/h, northwest |
11:00 |
+2° feels like: +-3° |
Partly cloudy
Relative humidity: 45%, pressure: 762 mm Precipitations: 0.4 mm Wind: 22 km/h, northwest |
14:00 |
+4° feels like: +0° |
Mainly sunny
Relative humidity: 36%, pressure: 762 mm Precipitations: 0.2 mm Wind: 18 km/h, northwest |