Hometown TV12 Brockville

Information Portal for Brockville & Surrounding Area

Good Morning, Brockville, Leeds-Grenville! Local Weather Update – Wednesday, August 19, 2026

(Weather photo by Dale Elliott, Hometown TV12 from earlier this morning in Brockville while out with the Brockville Rowing Club)

BrockvilleToday, a few showers ending this afternoon then cloudy with 30 percent chance of showers. Risk of a thunderstorm. Local amount 10 to 15 mm. Wind south 20 km/h becoming light this morning. High 22°C. Humidex 29. UV index 4 or moderate.

Tonight, partly cloudy with 30 percent chance of showers early this evening and risk of a thunderstorm. Clearing late this evening. Fog patches developing late this evening. Low 13°C.

(Weather photo by Dale Elliott, Hometown TV12 from earlier this morning in Brockville while out with the Brockville Rowing Club)

Thursday, mainly sunny. Fog patches dissipating in the morning. High 23°C. Humidex 27. UV index 7 or high.

(Weather photo by Dale Elliott, Hometown TV12 from earlier this morning in Brockville while out with the Brockville Rowing Club)

Your 5-day local forecast:

(Weather photo by Dale Elliott, Hometown TV12 from earlier this morning in Brockville while out with the Brockville Rowing Club)

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