Good Morning, Brockville, Leeds-Grenville! Local Morning Weather Update – Tuesday, October 21, 2025

Brockville — Today, a mix of sun and clouds. 60 percent chance of showers early this morning. High 15°C. UV index 4 or moderate.

Tonight, increasing cloudiness is expected early this evening. 40 percent chance of showers late this evening and overnight. Low 8°C.

Wednesday, cloudy with a 60 percent chance of showers. High 13°C. UV index is 1 or low.

Your 5-day local forecast:

M	T	W	T	F	S	S
			0 events 1 0 events, 1	1 event 2 1 event, 2 7:15 pm - 8:15 pm Brockville Yacht Club Light Up the Night Parade October 2 @ 7:15 pm - 8:15 pm Brockville Yacht Club Light Up the Night Parade Light up the Night Parade — October 2, 2026 at Brockville Yacht Club! Decorate your...	1 event 3 1 event, 3 9:30 am - 12:30 pm 2026 Brockville Butterfly Run October 3 @ 9:30 am - 12:30 pm 2026 Brockville Butterfly Run The 2026 Brockville Butterfly Run is being held Saturday, October 3rd at the Brockville Railway...	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	0 events 31 0 events, 31

Good Morning, Brockville, Leeds-Grenville! Local Morning Weather Update – Tuesday, October 21, 2025