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St. Catharines, ON — 3 hour detailed weather forecast


ON, Canada » St. Catharines


Forecast for today, Saturday, November 29, 2025
Detailed forecast - 3 hours intervals

13:00

Overcast
+2°
feels like: +-2°
Overcast
Relative humidity: 58%, pressure: 765 mm
Precipitations: 0.0 mm
Wind: 11 km/h, west
16:00

Overcast
+1°
feels like: +-2°
Overcast
Relative humidity: 62%, pressure: 765 mm
Precipitations: 0.0 mm
Wind: 7 km/h, southwest
19:00

Overcast
-1°
feels like: -3°
Overcast
Relative humidity: 69%, pressure: 763 mm
Precipitations: 0.1 mm
Wind: 4 km/h, southeast
22:00

Overcast
-2°
feels like: -6°
Overcast
Relative humidity: 85%, pressure: 761 mm
Precipitations: 0.1 mm
Wind: 11 km/h, southeast
01:00

Snow
-2°
feels like: -6°
Snow
Relative humidity: 85%, pressure: 760 mm
Precipitations: 0.7 mm
Wind: 14 km/h, southeast
04:00

Snow
-1°
feels like: -7°
Snow
Relative humidity: 92%, pressure: 756 mm
Precipitations: 2.0 mm
Wind: 18 km/h, southeast
07:00

Snow

feels like: -6°
Snow
Relative humidity: 89%, pressure: 752 mm
Precipitations: 0.5 mm
Wind: 22 km/h, south
10:00

Snow showers
+3°
feels like: +-2°
Snow showers
Relative humidity: 83%, pressure: 750 mm
Precipitations: 1.1 mm
Wind: 29 km/h, south
13:00

Light showers
+5°
feels like: +-1°
Light showers
Relative humidity: 80%, pressure: 748 mm
Precipitations: 0.5 mm
Wind: 40 km/h, southwest
16:00

Light rain and snow
+3°
feels like: +-2°
Light rain and snow
Relative humidity: 82%, pressure: 749 mm
Precipitations: 0.3 mm
Wind: 32 km/h, southwest