Brockville — Today, mainly sunny. Wind becoming north 20 km/h gusting to 40 this morning. High 13°C. UV index 4 or moderate.
Tonight, clear. Low minus 1°C.
Friday, sunny. High 13°C. UV index 3 or moderate.
Your 5-day local forecast:
Good Morning, Brockville, Leeds-Grenville! Local Morning Weather Update – Thursday, October 16, 2025
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