
Brockville — Today, a mix of sun and cloud with 30 percent chance of showers late this afternoon. Fog patches dissipating this morning. High 22°C. Humidex 25. UV index 6 or high.
Tonight, partly cloudy with 30 percent chance of showers this evening. Fog patches developing overnight. Low 11°C.

Tuesday, mainly sunny with increasing cloudiness early in the afternoon. Fog patches dissipating in the morning. High 25°C. Humidex 26. 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