
Brockville – Good morning, Brockville, Prescott, Gananoque, and Leeds-Grenville. Here is your Monday morning weather update for June 9, 2025.
Today: A few showers changing to 30 percent chance of showers then changing to showers near noon. Wind south 20 km/h gusting to 40. High 21. Humidex 26. UV index 3 or moderate.
Tonight: Showers with risk of a thunderstorm. Local amount 25 mm. Wind south 20 km/h gusting to 40 becoming light overnight. Low 16.

Tuesday: Becoming a mix of sun and cloud in the morning with 30 percent chance of showers in the afternoon. Wind becoming southwest 30 km/h gusting to 50 in the morning. High 22. Humidex 25. UV index 7 or high.
Your 5-day local forecast:




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