
Brockville — Today, a mix of sun and cloud, then clearing late this afternoon. High 16°C. UV index 6 or high.
Tonight, clear. Fog patches developing this evening and dissipating after midnight. Low plus 2°C.

Thursday, mainly sunny. High 12°C. 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