Brockville – Today’s forecast calls for a mix of sun and clouds with a 30 percent chance of showers. The wind is northeast at 20 km/h and will become light early this morning. Today’s high is 20, and the UV index is 9 or very high.
Tonight will be mainly cloudy with a 30 percent chance of showers early this evening. Tonight’s low will be 12.
Saturday, we will see clearing in the morning with a high of 22. The UV index is 9 or very high.
Your 5-day local forecast:
More Stories
Good Evening, Brockville, Leeds-Grenville! Local Weather Update – Thursday, March 5, 2026
Yellow Warning – Freezing Rain: Gananoque, Mallorytown & Kingston
VIDEO: Registration Now Open for Brockville Fire Department’s 3rd Annual Belles & Ladders