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St. Catharines, ON — 3 hour detailed weather forecast


ON, Canada » St. Catharines


Forecast for today, Thursday, February 26, 2026
Detailed forecast - 3 hours intervals

13:00

A mix of sun and cloud
-1°
feels like: -6°
A mix of sun and cloud
Relative humidity: 57%, pressure: 753 mm
Precipitations: 0.0 mm
Wind: 14 km/h, west
16:00

A mix of sun and cloud
-1°
feels like: -5°
A mix of sun and cloud
Relative humidity: 55%, pressure: 752 mm
Precipitations: 0.0 mm
Wind: 11 km/h, southwest
19:00

Mainly sunny
-3°
feels like: -7°
Mainly sunny
Relative humidity: 71%, pressure: 752 mm
Precipitations: 0.0 mm
Wind: 7 km/h, south
22:00

Clear
-4°
feels like: -8°
Clear
Relative humidity: 73%, pressure: 752 mm
Precipitations: 0.0 mm
Wind: 7 km/h, southwest
01:00

Clear
-6°
feels like: -9°
Clear
Relative humidity: 76%, pressure: 752 mm
Precipitations: 0.0 mm
Wind: 7 km/h, southwest
04:00

A mix of sun and cloud
-6°
feels like: -11°
A mix of sun and cloud
Relative humidity: 75%, pressure: 752 mm
Precipitations: 0.0 mm
Wind: 11 km/h, south
07:00

Overcast
-2°
feels like: -7°
Overcast
Relative humidity: 67%, pressure: 752 mm
Precipitations: 0.0 mm
Wind: 14 km/h, southwest
10:00

Sunny
+2°
feels like: +-2°
Clear
Relative humidity: 71%, pressure: 753 mm
Precipitations: 0.0 mm
Wind: 18 km/h, southwest
13:00

Mainly sunny
+5°
feels like: +0°
Mainly sunny
Relative humidity: 66%, pressure: 752 mm
Precipitations: 0.0 mm
Wind: 22 km/h, southwest