Forecast - Environment Canada

HEAT WARNING IN EFFECT

 Extended Forecast - Environment Canada

Forecast

St. Catharines, ON ()
Sunday
Sunny. Fog patches dissipating early this morning. High 32. Humidex 40. UV index 6 or high.
Sunday night
Clear. Fog patches developing overnight. Low 17.
Mainly sunny. Fog patches dissipating early in the morning. High 31. Humidex 40.
Monday night
Clear. Low 18.
A mix of sun and cloud. High 31.
Tuesday night
Cloudy periods. Low 18.
A mix of sun and cloud with 40 percent chance of showers. High 27.
Wednesday night
Cloudy periods. Low 13.
A mix of sun and cloud. High 20.
Thursday night
Cloudy periods. Low 11.
A mix of sun and cloud with 30 percent chance of showers. High 16.
Friday night
Cloudy periods with 30 percent chance of showers. Low 10.
A mix of sun and cloud with 30 percent chance of showers. High 15.

Environment Canada