Your local weather forecast for today
St. Catharines, ON — 3 hour detailed weather forecast
ON, Canada » St. Catharines
Forecast for today, Saturday, May 16, 2026
08:00 |
+15° feels like: +15° |
Mainly sunny
Relative humidity: 68%, pressure: 752 mm Precipitations: 0.0 mm Wind: 18 km/h, south |
11:00 |
+20° feels like: +20° |
A mix of sun and cloud
Relative humidity: 53%, pressure: 751 mm Precipitations: 0.0 mm Wind: 25 km/h, south |
14:00 |
+21° feels like: +21° |
A mix of sun and cloud
Relative humidity: 55%, pressure: 749 mm Precipitations: 0.0 mm Wind: 25 km/h, southwest |
17:00 |
+20° feels like: +20° |
A mix of sun and cloud
Relative humidity: 68%, pressure: 749 mm Precipitations: 0.8 mm Wind: 29 km/h, southwest |
20:00 |
+18° feels like: +18° |
Partly cloudy
Relative humidity: 79%, pressure: 749 mm Precipitations: 0.1 mm Wind: 18 km/h, southwest |
23:00 |
+16° feels like: +16° |
Mainly sunny
Relative humidity: 88%, pressure: 750 mm Precipitations: 0.0 mm Wind: 18 km/h, southwest |
02:00 |
+16° feels like: +16° |
Mainly sunny
Relative humidity: 91%, pressure: 751 mm Precipitations: 0.0 mm Wind: 18 km/h, southwest |
05:00 |
+14° feels like: +14° |
A mix of sun and cloud
Relative humidity: 97%, pressure: 752 mm Precipitations: 0.0 mm Wind: 11 km/h, southwest |
08:00 |
+15° feels like: +15° |
Overcast
Relative humidity: 98%, pressure: 753 mm Precipitations: 0.0 mm Wind: 7 km/h, southwest |