Brockville — Today, cloudy with a 40 percent chance of rain showers early this morning. Rain showers or periods of drizzle beginning this morning. Risk of freezing rain early this morning. Fog patches are dissipating early this morning. Wind becoming south 20 km/h, gusting to 40, this morning, then southwest 50 km/h, gusting to 80, late this afternoon. High 7. UV index is 1 or low.
Tonight, cloudy, becoming partly cloudy after midnight. Wind west 40 km/h gusting to 80, diminishing to 20 gusting to 40 late this evening, then becoming light after midnight. Low minus 2.
Saturday, mainly sunny. Wind is becoming northeast 20 km/h late in the afternoon. High zero. Wind chill is minus 6 in the morning. UV index is 1 or low.
Your 5-day local forecast:
More Stories
196th Delta Fair Set to Take Place July 23rd to 26th, 2026
Good Morning, Brockville, Leeds-Grenville! Local Morning Weather Update – Wednesday, July 15, 2026
Stay Cool in Brockville During a Heat Wave