
Brockville — Today, sunny with a high of 28°C. Humidex 31. UV index 5 or moderate.
Tonight, clear. Becoming partly cloudy after midnight. Low 17°C.

Tuesday, becoming cloudy in the morning with a few showers. Risk of a thunderstorm in the afternoon. Amount 10 to 20 mm. Wind is becoming southwest 20 km/h late in the morning. High 23°C with temperature falling to 20°C in the afternoon. Humidex 28. UV index is 2 or low.
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