Your local weather forecast for today
St. Catharines, ON — 1 hour detailed weather forecast
ON, Canada » St. Catharines
Forecast for today, Thursday, September 4, 2025
17:00 |
+19° feels like: +19° |
A mix of sun and cloud
Relative humidity: 55%, pressure: 746 mm Precipitations: 0.0 mm Wind: 11 km/h, west |
18:00 |
+19° feels like: +19° |
Mainly sunny
Relative humidity: 55%, pressure: 747 mm Precipitations: 0.0 mm Wind: 11 km/h, west |
19:00 |
+18° feels like: +18° |
Mainly sunny
Relative humidity: 57%, pressure: 747 mm Precipitations: 0.0 mm Wind: 7 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 |
21:00 |
+16° feels like: +16° |
Clear
Relative humidity: 69%, pressure: 748 mm Precipitations: 0.0 mm Wind: 7 km/h, west |
22:00 |
+15° feels like: +15° |
Clear
Relative humidity: 68%, pressure: 748 mm Precipitations: 0.0 mm Wind: 7 km/h, west |
23:00 |
+15° feels like: +15° |
Clear
Relative humidity: 65%, pressure: 749 mm Precipitations: 0.0 mm Wind: 11 km/h, west |
00:00 |
+14° feels like: +14° |
Clear
Relative humidity: 70%, pressure: 749 mm Precipitations: 0.0 mm Wind: 7 km/h, southwest |
01:00 |
+13° feels like: +13° |
Clear
Relative humidity: 75%, pressure: 748 mm Precipitations: 0.0 mm Wind: 7 km/h, south |
02:00 |
+13° feels like: +13° |
Clear
Relative humidity: 80%, pressure: 748 mm Precipitations: 0.0 mm Wind: 7 km/h, south |
03:00 |
+12° feels like: +12° |
Clear
Relative humidity: 82%, pressure: 748 mm Precipitations: 0.0 mm Wind: 11 km/h, south |
04:00 |
+13° feels like: +13° |
Clear
Relative humidity: 85%, pressure: 748 mm Precipitations: 0.0 mm Wind: 11 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 |
06:00 |
+13° feels like: +13° |
Mainly sunny
Relative humidity: 95%, pressure: 748 mm Precipitations: 0.0 mm Wind: 14 km/h, south |
07:00 |
+14° feels like: +14° |
Mainly sunny
Relative humidity: 97%, pressure: 748 mm Precipitations: 0.0 mm Wind: 14 km/h, south |
08:00 |
+15° feels like: +15° |
Mainly sunny
Relative humidity: 93%, pressure: 748 mm Precipitations: 0.0 mm Wind: 14 km/h, south |
09:00 |
+18° feels like: +18° |
Mainly sunny
Relative humidity: 85%, pressure: 747 mm Precipitations: 0.0 mm Wind: 22 km/h, south |
10:00 |
+20° feels like: +20° |
Mainly sunny
Relative humidity: 78%, pressure: 747 mm Precipitations: 0.0 mm Wind: 25 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 |
12:00 |
+23° feels like: +23° |
Mainly sunny
Relative humidity: 55%, pressure: 747 mm Precipitations: 0.0 mm Wind: 32 km/h, southwest |
13:00 |
+23° feels like: +23° |
Mainly sunny
Relative humidity: 52%, pressure: 747 mm Precipitations: 0.0 mm Wind: 36 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 |
15:00 |
+23° feels like: +23° |
Clear
Relative humidity: 53%, pressure: 747 mm Precipitations: 0.0 mm Wind: 36 km/h, southwest |
16:00 |
+23° feels like: +23° |
Clear
Relative humidity: 54%, pressure: 747 mm Precipitations: 0.0 mm Wind: 36 km/h, southwest |
17:00 |
+23° feels like: +23° |
Clear
Relative humidity: 54%, pressure: 747 mm Precipitations: 0.0 mm Wind: 32 km/h, southwest |