Brockville — Today, flurries changing to rain showers this afternoon. Local snowfall amount is 5 cm. Wind southwest 20 km/h. High plus 4°C. Wind chill is minus 7 this morning. UV index is 1 or low.
Tonight, showers ending late this evening, then mainly cloudy with a 40 percent chance of showers. Wind southwest 20 km/h becoming light this evening. Low plus 1°C.
Thursday, a mix of sun and clouds. Becoming cloudy in the morning. Wind is becoming west 20 km/h late in the morning. High plus 4°C. UV index is 1 or low.
Your 5-day local forecast:
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Good Morning, Brockville, Leeds-Grenville! Local Weather Update – Monday, September 14, 2026