
Brockville — Today, a mix of sun and cloud, then clearing this morning. Fog patches are dissipating this morning. Wind up to 15 km/h. High plus 4°C. Wind chill is minus 7 this morning. UV index is 2 or low.
Tonight, increasing cloudiness near midnight. Wind up to 15 km/h. Low minus 3°C. Wind chill is minus 7 this evening.

Friday, mainly cloudy with a 60 percent chance of showers. Wind west 20 km/h gusting to 40, becoming light late in the afternoon. High 9°C. UV index is 1 or low.
Your 5-day local forecast:




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