HEAT WARNING Continues for Brockville & Leeds-Grenville for Today!

Brockville — Today is sunny. The wind is expected to become southwest at 20 km/h late this morning. High 33. Humidex 40. UV index 9 or very high.
Tonight, increasing cloudiness this evening. Wind southwest 20 km/h gusting to 40, becoming light late this evening. Low 22.

Thursday, cloudy with a 60 percent chance of showers and risk of a thunderstorm. Wind becoming southwest 20 km/h in the afternoon. High 28. Humidex 36. UV index 4 or moderate.
Your 5-day local forecast:




More Stories
Scheduled Work Begins This Week, Part of Ongoing Improvements on Brockville Railway Tunnel Lighting
OPP Golden Helmets Performing in Prescott This Saturday, June 6th
The 2026 Shriners Street Fair Begins This Thursday, June 4th running until June 7th in Brockville