Photo: StuartMiles - Freerange StockSt. Catharines Weather Forecast
For Tuesday May 17, 2022
- Tonight – Showers ending early this evening then partly cloudy with 30 percent chance of showers. Risk of a thunderstorm this evening. Wind northwest 20 km/h becoming light early this evening. Wind becoming west 20 gusting to 40 after midnight. Low 9.
- Tuesday – Mainly sunny. Increasing cloudiness late in the morning. Wind west 20 km/h gusting to 40 becoming light in the afternoon. High 18. UV index 6 or high.
- Tuesday Night – Clearing in the evening. Low plus 4.
