(Weather photo courtesy of the city webcam from this morning in Brockville.)
Thursday, June 25, 2026 – as of 9:00 am:
Today, becoming cloudy this morning with 30 percent chance of showers changing to 70 percent chance of showers near noon. Risk of a thunderstorm this afternoon. High 24°C. Humidex 27. UV index 6 or high.
Tonight, cloudy with 70 percent chance of showers and risk of a thunderstorm. Low 16°C
Friday, cloudy with 30 percent chance of showers in the afternoon with risk of a thunderstorm. High 22°C. Humidex 28. UV index 5 or moderate.
Your 5-day local forecast:
