Brockville — Today, clear early this morning then a mix of sun and cloud with 30 percent chance of showers this afternoon. Wind up to 15 km/h. High 8°C. Wind chill minus 7 this morning. UV index 6 or high.
Tonight, Cloudy with 30 percent chance of showers this evening. Low plus 3°C.
Wednesday, clearing in the morning. High 14°C. UV index 6 or high.
Your 5-day local forecast:
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Good Morning, Brockville, Leeds-Grenville! Local Morning Weather Update – Saturday, July 18, 2026