
Brockville — Today, A mix of sun and cloud. 30 percent chance of showers this afternoon with risk of a thunderstorm. Fog patches dissipating this morning. High 29°C. Humidex 37. UV index 8 or very high.
Tonight, partly cloudy with 60 percent chance of showers and risk of a thunderstorm. Low 18°C.

Tuesday, cloudy with 70 percent chance of showers and risk of a thunderstorm. Wind becoming south 20 km/h in the afternoon. High 24°C. Humidex 32. UV index 6 or high.

Your 5-day local forecast:




More Stories
Good Morning, Brockville, Leeds-Grenville! Local Weather Update – Tuesday, July 28, 2026
VIDEO: 3rd Annual Belles & Ladders Girls Firefighting Camp Another Success
160th Lombardy Fair Being Held This Weekend July 31st to August 2nd