Hometown TV12 Brockville

Information Portal for Brockville & Surrounding Area

Good Morning, Brockville, Leeds-Grenville! Local Morning Weather Update – Thursday, June 18, 2026

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

SPECIAL WEATHER STATEMENT – Heavy rain and thunderstorms today.  This morning through early this afternoon. Rainfall amounts 30 to 40 mm.

BrockvilleToday, showers ending near noon then cloudy with 60 percent chance of showers. Risk of a thunderstorm. Local amount 30 to 40 mm. Wind becoming south 20 km/h gusting to 60 this morning then west 40 gusting to 70 this afternoon. High 20°C. Humidex 26. UV index 6 or high.

Tonight, cloudy. 40 percent chance of showers this evening and after midnight. Wind west 30 km/h gusting to 50. Low 15°C.

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

Friday, mainly cloudy. 60 percent chance of showers in the afternoon with risk of a thunderstorm. Wind west 30 km/h gusting to 50. High 21°C. UV index 7 or high.

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

Your 5-day local forecast:

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

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