
Brockville — Today, sunny, then becoming a mix of sun and cloud near noon. High 20°C. UV index 6 or high.
Tonight, clear. Fog patches are developing overnight. Low 6°C.

Tuesday, sunny. Fog patches are dissipating in the morning. High 23°C. UV index 6 or high.
Your 5-day local forecast:




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