Hometown TV12 Brockville

Information Portal for Brockville & Surrounding Area

Good Morning, Brockville, Leeds-Grenville! Local Morning Weather Update – Tuesday, June 30, 2026

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

BrockvilleToday, mainly cloudy with a few showers beginning early this morning and ending near noon then 40 percent chance of showers this afternoon. Risk of a thunderstorm. High 30°C. Humidex 38. UV index 7 or high.

Tonight, partly cloudy with 40 percent chance of showers and risk of a thunderstorm. Low 22°C.

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

Canada Day – Wednesday, a mix of sun and cloud. 40 percent chance of showers in the afternoon with risk of a thunderstorm. Wind becoming southwest 20 km/h gusting to 40 near noon. High 34°C. Humidex 45. UV index 10 or very 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