St. Catharines, Canada – Weather Tomorrow August 29

Saturday, August 29
Night 02:00am – 08:00am fair
16° 18° 61° 64°
fair
SW 11 km/h 7 mph
Morning 08:00am – 02:00pm partly cloudy
20° 25° 68° 77°
partly cloudy
SW 10 km/h 6 mph
Afternoon 02:00pm – 08:00pm partly cloudy
22° 25° 72° 77°
partly cloudy
SW 21 km/h 13 mph
Evening 08:00pm – 02:00am partly cloudy
20° 21° 68° 70°
partly cloudy
SW 18 km/h 11 mph

Weather Tomorrow – Summary

Tomorrow, on Saturday partly cloudy. Temperature: 16° to 25°C61° to 77°F. Wind: 10 to 21 km/h6 to 13 mph.

Data source: MET Norway — Last updated: Aug 28, 2026, 09:21 UTC