Your local weather forecast for today
St. Catharines, ON — 3 hour detailed weather forecast
ON, Canada » St. Catharines
Forecast for today, Wednesday, February 18, 2026
10:00 |
+1° feels like: +-5° |
Rain
Relative humidity: 98%, pressure: 748 mm Precipitations: 3.3 mm Wind: 29 km/h, east |
13:00 |
0° feels like: -6° |
Snow and Rain
Relative humidity: 94%, pressure: 746 mm Precipitations: 3.6 mm Wind: 25 km/h, east |
16:00 |
0° feels like: -6° |
Snow and Rain
Relative humidity: 92%, pressure: 745 mm Precipitations: 3.9 mm Wind: 25 km/h, northeast |
19:00 |
-1° feels like: -7° |
Snow
Relative humidity: 90%, pressure: 748 mm Precipitations: 0.6 mm Wind: 22 km/h, northeast |
22:00 |
-2° feels like: -8° |
Overcast
Relative humidity: 89%, pressure: 749 mm Precipitations: 0.1 mm Wind: 18 km/h, northeast |
01:00 |
-2° feels like: -6° |
Overcast
Relative humidity: 85%, pressure: 750 mm Precipitations: 0.5 mm Wind: 14 km/h, northeast |
04:00 |
-2° feels like: -7° |
Overcast
Relative humidity: 89%, pressure: 751 mm Precipitations: 0.0 mm Wind: 14 km/h, east |
07:00 |
-1° feels like: -7° |
Overcast
Relative humidity: 84%, pressure: 752 mm Precipitations: 0.0 mm Wind: 18 km/h, east |
10:00 |
+1° feels like: +-3° |
Overcast
Relative humidity: 78%, pressure: 753 mm Precipitations: 0.0 mm Wind: 14 km/h, east |