
Brockville — Today, sunny with a high of 28°C. Humidex 31. UV index 9 or very high.
Tonight, clear with a low of 16°C.

Saturday, sunny, with increasing cloudiness in the afternoon. Wind becoming southwest 30 km/h gusting to 50 in the morning. High 27°C. Humidex 32. UV index 8 or very high.
Your 5-day local forecast:




More Stories
Good Morning, Brockville, Leeds-Grenville! Local Weather Update – Sunday, November 1, 2026
VIDEO Highlights: Tikis Back on Track After Winning 5-2 Over the Perth Blue Wings Friday Night in EOJHL
Tonight’s Halloween Forecast as of 4:00pm october 31, 2026