
Brockville — Today, sunny. Fog patches are dissipating this morning. High 24°C. Humidex 26. UV index 6 or high.
Tonight, clear. Becoming partly cloudy overnight. Low 7°C.

Thursday, a mix of sun and clouds. High 24°C. Humidex 26. UV index 6 or high.
Your 5-day local forecast:




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Good Morning, Brockville, Leeds-Grenville! Local Weather Update – Tuesday, September 1, 2026