
Brockville — Today, sunny with a high of 24. UV index 8 or very high
Tonight, clear with a low of 10.

Saturday is sunny. Wind becoming southwest 20 km/h gusting to 40 late in the morning. High of 27. Humidex 29. UV index 7 or high.
Your 5-day local forecast:




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Good Morning, Brockville, Leeds-Grenville! Local Weather Update – Tuesday, September 1, 2026