
Brockville – Today is cloudy with a 60 percent chance of showers and a thunderstorm risk. The wind is out of the southwest at 30 km/h gusting to 50 this morning. Today’s high is 25, and the humidex is 33. The UV index is 7 or high.
Tonight will see showers. The wind will be southwest at 20 km/h gusting to 40, becoming northwest 30 gusting to 50 late this evening. Tonight’s low is 15.

Friday will be mainly cloudy. The wind will be northwest at 20 km/h gusting to 4,0 becoming light in the morning. Friday’s high is 25, and the humidex is 30. The UV index is 7 or high.
Your 5-day local forecast:




More Stories
Y Communities Thrive: YMCA of Eastern Ontario Launches 2026 Annual Campaign
Good Morning, Brockville, Leeds-Grenville! Local Morning Weather Update – Thursday, April 23, 2026
Annual Prescott Spring Home & Trade Show Begins Thursday at the Leo