Brockville — Today, sunny. High 31. Humidex 36. UV index 10 or very high.
Tonight, cloudy. 30 percent chance of showers changing to a 70 percent chance of showers near midnight. Risk of a thunderstorm this evening and overnight. Low 20.
Tuesday, Canada Day, cloudy. Clearing late in the afternoon. High 29. Humidex 34. UV index 7 or high.
Your 5-day local forecast:
More Stories
Good Morning, Brockville, Leeds-Grenville! Local Morning Weather Update – Saturday, March 7, 2026
Cataraqui Conservation Issues Flood Outlook Statement for Inland Lakes & Streams
Yellow Warning – Rainfall Issued for Brockville, Leeds-Grenville For Tonight Into Saturday