Brockville — Today, sunny. High 16°C. UV index 8 or very high.
Tonight, clear. Low plus 1°C with patchy frost.
Friday, sunny. Wind becoming northeast 20 km/h late in the morning. High 20°C. UV index 8 or very high.
Your 5-day local forecast:
Good Morning, Brockville, Leeds-Grenville! Local Morning Weather Update – Thursday, May 21, 2026
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