Frost advisory
Frost may damage frost-sensitive fruit trees and vegetable plants.
Temperatures may fall to near the freezing mark early Thursday morning, particularly for areas inland from the Great Lakes.
Take preventative measures to protect frost-sensitive plants and trees.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
Today – October 15, 2025
Sunny. Wind north 30 km/h. High 16. UV index 5 or moderate.
Tonight
Clear. Wind north 30 km/h becoming light this evening. Low plus 2 with risk of frost.
Thu, 16 Oct – Sunny. High 16. UV index 5 or moderate. Night – Clear. Low plus 2.
Fri, 17 Oct – Increasing cloudiness. High 19. Night – Cloudy periods with 30 percent chance of showers. Low 12.
Sat, 18 Oct – Sunny. High 23. Night – Cloudy with 40 percent chance of showers. Windy. Low 13.
Sun, 19 Oct – Showers. Windy. High 17. Night – Cloudy with 60 percent chance of showers. Windy. Low 8.
Mon, 20 Oct – A mix of sun and cloud. High 17. Night – Cloudy with 40 percent chance of showers. Low 9.
Tue, 21 Oct – A mix of sun and cloud with 40 percent chance of showers. High 16.
