
Brockville – Good morning, Brockville, Prescott, Gananoque, and Leeds-Grenville. Here is your Sunday morning weather update for May 18, 2025.
Today: Showers. Fog patches are dissipating this morning. Wind southwest 20 km/h becoming northwest 30 gusting to 50 this morning. High 14. UV index 3 or moderate.
Tonight: Cloudy. There is a 30 percent chance of showers early this evening. Wind northwest 20 km/h gusting to 40. Low 6.

Monday: Overcast. Wind northwest 20 km/h gusting to 40. High 16. UV index 3 or moderate.
Your 5-day local forecast:




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