Friday
Sunny
High:
13°C
Sunny. High 13.
St. Catharines, Ontario Weather - Extended Forecast
Friday Night
Chance of showers
Overnight low:
4°C
Cloudy with 60 percent chance of showers. Low plus 4.
Saturday
Periods of rain
High:
8°C
Saturday Night
Chance of showers
Overnight low:
4°C
Sunday
Chance of showers
High:
6°C
Sunday Night
Chance of rain showers or flurries
Overnight low:
-1°C
Monday
Chance of flurries
High:
3°C