Residents in Cornwall, Ontario, can expect a week of shifting spring weather, as Environment Canada reports a mix of sun, clouds, and scattered showers through May 10, 2026.
Tuesday brings the most active conditions of the week. Forecasters are calling for a high of 18°C with a 60 percent chance of showers and a risk of thunderstorms throughout the morning and afternoon. Residents should also prepare for gusty conditions, with wind speeds from the southwest expected to reach up to 80 km/h in the morning and afternoon.
The middle of the week will see a noticeable dip in temperature, with Wednesday expected to be the coolest day. The forecast shows a high of 9°C with a continued 60 percent chance of showers. Conditions are expected to clear up overnight, with temperatures dropping to a low of 2°C.
Clearer skies will return on Thursday, making it the most favourable day for outdoor plans. The forecast includes sunny skies and a high of 14°C. While there are currently no weather alerts in effect for the area, those planning outdoor activities throughout the week should note that temperatures will fluctuate, remaining close to seasonal norms.
