Your local weather forecast for today
St. Catharines, ON — 3 hour detailed weather forecast
ON, Canada » St. Catharines
Forecast for today, Saturday, March 21, 2026
05:00 |
+2° feels like: +0° |
A mix of sun and cloud
Relative humidity: 93%, pressure: 752 mm Precipitations: 0.0 mm Wind: 4 km/h, northwest |
08:00 |
+1° feels like: +-2° |
Overcast
Relative humidity: 86%, pressure: 754 mm Precipitations: 0.0 mm Wind: 7 km/h, north |
11:00 |
+3° feels like: +0° |
A mix of sun and cloud
Relative humidity: 78%, pressure: 755 mm Precipitations: 0.0 mm Wind: 11 km/h, northeast |
14:00 |
+4° feels like: +1° |
Overcast
Relative humidity: 69%, pressure: 754 mm Precipitations: 0.0 mm Wind: 11 km/h, north |
17:00 |
+3° feels like: +0° |
Overcast
Relative humidity: 71%, pressure: 753 mm Precipitations: 0.0 mm Wind: 11 km/h, northeast |
20:00 |
+2° feels like: +-2° |
Light showers
Relative humidity: 80%, pressure: 751 mm Precipitations: 0.2 mm Wind: 14 km/h, east |
23:00 |
+2° feels like: +-1° |
A mix of sun and cloud
Relative humidity: 81%, pressure: 748 mm Precipitations: 0.1 mm Wind: 11 km/h, east |
02:00 |
+2° feels like: +2° |
Overcast
Relative humidity: 84%, pressure: 746 mm Precipitations: 0.0 mm Wind: 4 km/h, south |
05:00 |
+3° feels like: +1° |
Light showers
Relative humidity: 88%, pressure: 744 mm Precipitations: 0.8 mm Wind: 4 km/h, southwest |
08:00 |
+5° feels like: +2° |
Light showers
Relative humidity: 89%, pressure: 744 mm Precipitations: 1.3 mm Wind: 11 km/h, southwest |