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St. Catharines, ON — 3 hour detailed weather forecast


ON, Canada » St. Catharines


Forecast for today, Wednesday, November 12, 2025
Detailed forecast - 3 hours intervals

07:00

Overcast
+3°
feels like: +-1°
Overcast
Relative humidity: 87%, pressure: 744 mm
Precipitations: 0.1 mm
Wind: 18 km/h, southwest
10:00

Light showers
+5°
feels like: +1°
Light showers
Relative humidity: 84%, pressure: 744 mm
Precipitations: 0.3 mm
Wind: 25 km/h, southwest
13:00

A mix of sun and cloud
+7°
feels like: +2°
A mix of sun and cloud
Relative humidity: 85%, pressure: 743 mm
Precipitations: 0.0 mm
Wind: 25 km/h, west
16:00

Overcast
+6°
feels like: +2°
Overcast
Relative humidity: 82%, pressure: 744 mm
Precipitations: 0.0 mm
Wind: 29 km/h, west
19:00

A mix of sun and cloud
+5°
feels like: +1°
A mix of sun and cloud
Relative humidity: 87%, pressure: 746 mm
Precipitations: 0.1 mm
Wind: 22 km/h, west
22:00

Mainly sunny
+5°
feels like: +0°
Mainly sunny
Relative humidity: 85%, pressure: 747 mm
Precipitations: 0.0 mm
Wind: 25 km/h, west
01:00

Overcast
+4°
feels like: +0°
Overcast
Relative humidity: 82%, pressure: 748 mm
Precipitations: 0.0 mm
Wind: 22 km/h, west
04:00

A mix of sun and cloud
+4°
feels like: +-1°
A mix of sun and cloud
Relative humidity: 79%, pressure: 749 mm
Precipitations: 0.0 mm
Wind: 25 km/h, west
07:00

Mainly sunny
+3°
feels like: +-1°
Mainly sunny
Relative humidity: 85%, pressure: 750 mm
Precipitations: 0.0 mm
Wind: 22 km/h, west
10:00

Mainly sunny
+6°
feels like: +2°
Mainly sunny
Relative humidity: 72%, pressure: 751 mm
Precipitations: 0.0 mm
Wind: 25 km/h, west