
Brockville — Today, increasingly cloudy early this morning. 40 percent chance of showers this afternoon with risk of a thunderstorm. High 29. Humidex 36. UV index 8 or very high.
Tonight, cloudy and hazy. The wind is expected to become north at 20 km/h after midnight. Low 14.

Thursday will be mainly cloudy. Clearing in the afternoon. Hazy. The wind is expected to become northeast at 20 km/h in the morning. High 23. Humidex 25. UV index 9 or very high.



More Stories
Cataraqui Conservation Issues Flood Outlook Statement for Inland Lakes & Streams
Yellow Warning – Rainfall Issued for Brockville, Leeds-Grenville For Tonight Into Saturday
Good Evening, Brockville, Leeds-Grenville! Local Weather Update – Friday, March 6, 2026