Brockville – Today’s forecast will be a mix of sun and cloud with fog patches dissipating this morning. Today’s high is 27, and the humidex is 31. The UV index is 9 or very high.
Tonight will be mainly cloudy with a low of 17.
Tuesday will be cloudy with a 30 percent chance of showers. The wind is becoming south at 20 km/h and gusting to 40 in the morning. Tuesday’s high is 2,6 and the humidex is 31. UV index 5 or moderate.
Your 5-day local forecast:
More Stories
Gord Brown Memorial Golf Tournament Returns for 6th Year
Y Communities Thrive: YMCA of Eastern Ontario Launches 2026 Annual Campaign
Good Morning, Brockville, Leeds-Grenville! Local Morning Weather Update – Thursday, April 23, 2026