
Brockville — Today, cloudy with a 30 percent chance of showers or drizzle this morning and early this afternoon. High 24. Humidex 28. UV index 6 or high.
Tonight, partly cloudy. Clearing before morning. Low 12.

Thursday, mainly sunny. Wind is becoming northeast 20 km/h late in the morning. High 27. Humidex 28. UV index 8 or very high.
Your 5-day local forecast:




More Stories
Good Morning, Brockville, Leeds-Grenville! Local Weather Update – Tuesday, August 4, 2026
Brockville Bunnies Can-Am Playoff Weekend: Won 1 & 3 Losses in 4 Games
VIDEO: 24th Annual Brockville Ribfest Begins This Friday in Hardy Park & Runs Until Sunday