Brockville — Today, mainly cloudy with a 30 percent chance of flurries early this morning. Clearing this morning. High plus 3°C. UV index is 2 or low.
Tonight, increasing cloudiness. Wind up to 15 km/h. Low minus 5°C. Wind chill is minus 7 overnight.
Friday, mainly cloudy. 40 percent chance of showers late in the morning and early afternoon. Periods of rain begin in the afternoon. Wind up to 15 km/h. High 9°C. Wind chill is minus 6 in the morning. UV index is 2 or low.
Your 5-day local forecast:
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Good Evening, Brockville, Leeds-Grenville! Local Weather Update – Friday, March 6, 2026