
Brockville — Today, a few showers ending near noon, then mainly cloudy with a 40 percent chance of showers. Local amount 5 to 10 mm. Wind is becoming southwest 20 km/h gusting to 40 this morning. High 12°C. UV index is 2 or low.
Tonight, a few showers ending near midnight, then cloudy with a 40 percent chance of showers. Local amount 5 to 10 mm. Wind southwest 20 km/h gusting to 40, becoming light this evening. Low 6°C.

Thursday, cloudy with a 60 percent chance of showers. High 12°C. UV index is 2 or low.
Your 5-day local forecast:




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