Forecast - Environment Canada
 Extended Forecast - Environment Canada

Forecast

St. Catharines, ON ()
Saturday
Cloudy. 60 percent chance of drizzle. Periods of rain beginning this afternoon. Wind southwest 30 km/h gusting to 50. High 10.
Saturday night
Periods of rain becoming mixed with snow overnight. Wind south 40 km/h gusting to 60 becoming northwest 50 gusting to 70 after midnight. Low plus 2.
Cloudy with 40 percent chance of flurries. Wind west 40 km/h gusting to 70. High plus 3.
Sunday night
Cloudy periods with 30 percent chance of flurries. Low zero.
A mix of sun and cloud. Windy. High plus 5.
Monday night
Cloudy periods. Windy. Low 6.
A mix of sun and cloud. Windy. High 10.
Tuesday night
Cloudy with 30 percent chance of showers. Low plus 1.
A mix of sun and cloud. High plus 4.
Wednesday night
Cloudy periods. Low minus 1.
A mix of sun and cloud. High plus 4.
Thursday night
Cloudy periods. Low plus 3.
A mix of sun and cloud with 30 percent chance of showers. High 6.

Environment Canada