
Brockville — Today, a mix of sun and cloud, then clearing near noon. Today’s high is 11°C. UV index 3 or moderate.
Tonight, clear, then becoming partly cloudy before morning. Low plus 1°C.

Thursday, cloudy, with a 40 percent chance of showers in the morning. Rain begins near noon. Amount 10 to 15 mm. High 6°C. UV index 1 or low.
Your 5-day local forecast:




More Stories
Leeds Grenville Accessibility Advisory Committee Hosts Free Regional Seminar
Good Morning, Brockville, Leeds-Grenville! Local Weather Update – Monday, September 14, 2026
Canadian Coast Guard welcomes first additional large vessel on the Great Lakes in over thirty years