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.

Brockville — Today, 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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