HEAT WARNING Continues for Brockville & Leeds-Grenville for Today!
Brockville — Today, a mix of sun and cloud. There is a 30 percent chance of showers early this morning, with a risk of a thunderstorm. Hazy. Wind is becoming southwest 20 km/h this afternoon. High 31. Humidex 36. UV index 9 or very high.
Tonight, clear. Hazy. Low 20.
Tuesday, sunny. Hazy. Wind is becoming southwest 20 km/h late in the morning. High 32. Humidex 39. UV index 9 or very 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