Your local weather forecast for today
St. Catharines, ON — 1 hour detailed weather forecast
ON, Canada » St. Catharines
Forecast for today, Saturday, December 20, 2025
19:00 |
+7° feels like: +2° |
Overcast
Relative humidity: 53%, pressure: 746 mm Precipitations: 0.0 mm Wind: 36 km/h, southwest |
20:00 |
+6° feels like: +1° |
Light showers
Relative humidity: 62%, pressure: 746 mm Precipitations: 0.5 mm Wind: 36 km/h, southwest |
21:00 |
+5° feels like: +0° |
Light showers
Relative humidity: 73%, pressure: 747 mm Precipitations: 0.1 mm Wind: 32 km/h, southwest |
22:00 |
+5° feels like: +0° |
A mix of sun and cloud
Relative humidity: 73%, pressure: 747 mm Precipitations: 0.0 mm Wind: 32 km/h, southwest |
23:00 |
+4° feels like: +-1° |
Clear
Relative humidity: 73%, pressure: 747 mm Precipitations: 0.0 mm Wind: 32 km/h, southwest |
00:00 |
+4° feels like: +-2° |
Clear
Relative humidity: 69%, pressure: 748 mm Precipitations: 0.0 mm Wind: 32 km/h, southwest |
01:00 |
+3° feels like: +-3° |
Clear
Relative humidity: 64%, pressure: 748 mm Precipitations: 0.0 mm Wind: 32 km/h, west |
02:00 |
+1° feels like: +-6° |
Overcast
Relative humidity: 62%, pressure: 750 mm Precipitations: 0.0 mm Wind: 32 km/h, west |
03:00 |
-2° feels like: -10° |
Overcast
Relative humidity: 66%, pressure: 751 mm Precipitations: 0.0 mm Wind: 32 km/h, west |
04:00 |
-3° feels like: -11° |
Overcast
Relative humidity: 71%, pressure: 753 mm Precipitations: 0.0 mm Wind: 29 km/h, west |
05:00 |
-4° feels like: -11° |
Overcast
Relative humidity: 70%, pressure: 754 mm Precipitations: 0.0 mm Wind: 29 km/h, west |
06:00 |
-4° feels like: -12° |
Overcast
Relative humidity: 67%, pressure: 755 mm Precipitations: 0.0 mm Wind: 29 km/h, west |
07:00 |
-4° feels like: -12° |
Overcast
Relative humidity: 67%, pressure: 756 mm Precipitations: 0.0 mm Wind: 29 km/h, west |
08:00 |
-4° feels like: -12° |
Overcast
Relative humidity: 63%, pressure: 757 mm Precipitations: 0.0 mm Wind: 29 km/h, west |
09:00 |
-4° feels like: -12° |
Overcast
Relative humidity: 60%, pressure: 758 mm Precipitations: 0.0 mm Wind: 29 km/h, west |
10:00 |
-4° feels like: -11° |
Overcast
Relative humidity: 56%, pressure: 759 mm Precipitations: 0.0 mm Wind: 29 km/h, west |
11:00 |
-3° feels like: -11° |
A mix of sun and cloud
Relative humidity: 57%, pressure: 759 mm Precipitations: 0.0 mm Wind: 29 km/h, west |
12:00 |
-3° feels like: -10° |
A mix of sun and cloud
Relative humidity: 56%, pressure: 759 mm Precipitations: 0.0 mm Wind: 32 km/h, west |
13:00 |
-2° feels like: -10° |
A mix of sun and cloud
Relative humidity: 58%, pressure: 760 mm Precipitations: 0.0 mm Wind: 32 km/h, west |
14:00 |
-2° feels like: -10° |
Overcast
Relative humidity: 59%, pressure: 760 mm Precipitations: 0.0 mm Wind: 29 km/h, west |
15:00 |
-2° feels like: -9° |
Overcast
Relative humidity: 59%, pressure: 761 mm Precipitations: 0.0 mm Wind: 25 km/h, west |
16:00 |
-2° feels like: -9° |
Overcast
Relative humidity: 59%, pressure: 762 mm Precipitations: 0.0 mm Wind: 25 km/h, west |
17:00 |
-2° feels like: -9° |
Overcast
Relative humidity: 60%, pressure: 762 mm Precipitations: 0.0 mm Wind: 25 km/h, west |
18:00 |
-3° feels like: -9° |
Overcast
Relative humidity: 61%, pressure: 763 mm Precipitations: 0.1 mm Wind: 25 km/h, west |
19:00 |
-3° feels like: -10° |
Overcast
Relative humidity: 61%, pressure: 763 mm Precipitations: 0.0 mm Wind: 25 km/h, west |