Brockville — Today, cloudy. 30 percent chance of showers late this afternoon. Fog patches are dissipating this morning. High 24°C. Humidex 29. UV index 4 or moderate.
Tonight, partly cloudy. 30 percent chance of showers this evening. Low 11°C.
Saturday, a mix of sun and clouds. Becoming cloudy near noon with a 30 percent chance of showers in the afternoon. High 23°C. Humidex 27.
Your 5-day local forecast:
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Good Evening, Brockville, Leeds-Grenville! Local Weather Update – Friday, March 6, 2026