Brockville — Today, mainly sunny with a high of 14°C. UV index 6 or high.
Tonight, partly cloudy with a low of minus 1°C.
Friday, sunny with a high of 13°C. UV index 5 or moderate.
Your 5-day local forecast:
Good Morning, Brockville, Leeds-Grenville! Local Morning Weather Update – Thursday, April 23, 2026
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