Brockville – Tonight will see showers and a risk of a thunderstorm early this evening. The wind is southwest at 30 km/h gusting to 50, becoming northwest and 30 gusting to 50 late this evening. Tonight’s low is 15.
Friday will be a mix of sun and cloud with the wind out of the northwest at 20 km/h gusting to 40, then becoming light in the morning. Friday’s high is 25, and the humidex will be 30. The UV index is 8 or very high.
Friday night will be mainly cloudy, then clearing near midnight. The low will be 17.
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Good Evening, Brockville, Leeds-Grenville! Local Weather Update – Friday, March 6, 2026