Brockville — Today, increasing cloudiness with 60 percent chance of showers late this afternoon. Wind becoming northeast 20 km/h gusting to 40 late this morning. High 19°C. UV index 5 or moderate.
Tonight, cloudy with 60 percent chance of showers this evening. Low 12°C.
Monday, cloudy with 40 percent chance of showers late in the afternoon. High 19°C. UV index 4 or moderate.
Your 5-day local forecast:
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Good Morning, Brockville, Leeds-Grenville! Local Weather Update – Saturday, September 26, 2026
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