(Weather photo by Dale Elliott, Hometown TV12 from earlier this morning in Brockville)
Brockville — Today, Sunny, becoming a mix of sun and cloud near noon. High 30°C. Humidex 31. UV index 9 or very high.
Tonight, clear, becoming partly cloudy after midnight. Low 18°C.
(Weather photo by Dale Elliott, Hometown TV12 from earlier this morning in Brockville)
Tuesday, mainly cloudy with 40 percent chance of showers and risk of a thunderstorm. High 29°C. Humidex 38. UV index 9 or very high.
(Weather photo by Dale Elliott, Hometown TV12 from earlier this morning in Brockville)
Your 5-day local forecast:
(Weather photo by Dale Elliott, Hometown TV12 from earlier this morning in Brockville)
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Good Morning, Brockville, Leeds-Grenville! Local Weather Update – Tuesday, September 1, 2026