Good Morning, Brockville, Leeds-Grenville! Local Morning Weather Update – Sunday, September 22, 2025

Brockville — Today, cloudy with 70 percent chance of showers and a risk of a thunderstorm. High 23°C. Humidex 28. UV index 4 or moderate.

Tonight, cloudy with a 60 percent chance of showers and a risk of a thunderstorm. Low 16°C.

Tuesday, cloudy with a 40 percent chance of showers. Risk of a thunderstorm in the afternoon. High 22°C. Humidex 27. UV index 4 or moderate.

Your 5-day local forecast:

M	T	W	T	F	S	S
						0 events 1 0 events, 1
0 events 2 0 events, 2	0 events 3 0 events, 3	0 events 4 0 events, 4	0 events 5 0 events, 5	0 events 6 0 events, 6	0 events 7 0 events, 7	0 events 8 0 events, 8
0 events 9 0 events, 9	0 events 10 0 events, 10	0 events 11 0 events, 11	0 events 12 0 events, 12	0 events 13 0 events, 13	0 events 14 0 events, 14	0 events 15 0 events, 15
0 events 16 0 events, 16	0 events 17 0 events, 17	0 events 18 0 events, 18	0 events 19 0 events, 19	0 events 20 0 events, 20	0 events 21 0 events, 21	0 events 22 0 events, 22
0 events 23 0 events, 23	0 events 24 0 events, 24	0 events 25 0 events, 25	0 events 26 0 events, 26	0 events 27 0 events, 27	0 events 28 0 events, 28	0 events 29 0 events, 29
0 events 30 0 events, 30

Good Morning, Brockville, Leeds-Grenville! Local Morning Weather Update – Sunday, September 22, 2025