Hometown TV12 Brockville

Information Portal for Brockville & Surrounding Area

Good Morning, Brockville, Leeds-Grenville! Local Weather Update – Wednesday, August 12, 2026

(Weather photo courtesy of the city webcam from this morning in Brockville.)

BrockvilleToday, a mix of sun and cloud. 40 percent chance of showers this afternoon with risk of a thunderstorm. Wind becoming southwest 20 km/h late this morning. High 26°C. Humidex 29. UV index 7 or high.

Tonight, mainly cloudy. 40 percent chance of showers this evening with risk of a thunderstorm. Fog patches developing near midnight. Low 15°C.

(Weather photo courtesy of Rockport Cruises webcam from this morning in Rockport.)

Thursday, a mix of sun and cloud. 40 percent chance of showers in the afternoon with risk of a thunderstorm. Fog patches dissipating in the morning. Wind becoming west 20 km/h late in the morning. High 25°C. Humidex 30. UV index 7 or high.

(Weather photo courtesy of the city webcam from this morning in Brockville.)

Your 5-day local forecast:

(Weather photo courtesy of Rockport Cruises webcam from this morning in Rockport.)

Subscribe To Our Newsletter with Latest Posts