Good Morning, Brockville, Leeds-Grenville! Local Weather Update – Tuesday, August 18, 2026

**(Weather photo by Dale Elliott, Hometown TV12 from earlier this morning in Brockville)**

Brockville — Today, sunny. Fog patches dissipating this morning. High 25°C. Humidex 29. UV index 7 or high.

Tonight, clear, increasing cloudiness after midnight then 60 percent chance of showers before morning. Risk of a thunderstorm before morning. Low 17°C.

Wednesday, cloudy with 60 percent chance of showers and risk of a thunderstorm. High 22°C. Humidex 27. UV index 3 or moderate.

Your 5-day local forecast:

Hometown TV12

M	T	W	T	F	S	S
					3 events 1 3 events, 1 8:00 am - 9:00 pm Horse-A-Rama Weekend August 1 @ 8:00 am - 9:00 pm Horse-A-Rama Weekend The annual Horse-A-Rams is being held this weekend, July 31st to August 2nd at Centennial..., 10:00 am - 10:00 pm 5th Le FestivILES Back This Weekend in Gananoque August 1 @ 10:00 am - 10:00 pm 5th Le FestivILES Back This Weekend in Gananoque Le FestivÎLES is back for its 5th season. We have a fantastic lineup of FREE..., 11:00 am - 11:00 pm It’s Tiki Time August 1 @ 11:00 am - 11:00 pm It’s Tiki Time Escape to a tropical night on the shores of St. Lawrence Park, where tiki vibes...	2 events 2 2 events, 2 8:00 am - 5:00 pm Horse-A-Rama Weekend August 2 @ 8:00 am - 5:00 pm Horse-A-Rama Weekend The annual Horse-A-Rams is being held this weekend, July 31st to August 2nd at Centennial..., 10:00 am - 4:30 pm 5th Le FestivILES Back This Weekend in Gananoque August 2 @ 10:00 am - 4:30 pm 5th Le FestivILES Back This Weekend in Gananoque Le FestivÎLES is back for its 5th season. We have a fantastic lineup of FREE...
0 events 3 0 events, 3	0 events 4 0 events, 4	1 event 5 1 event, 5 12:00 pm - 1:00 pm Music on the Veranda at Fulford Place August 5 @ 12:00 pm - 1:00 pm Music on the Veranda at Fulford Place Music on the Veranda is back at Fulford Place Museum this summer for an EXTENDED...	0 events 6 0 events, 6	3 events 7 3 events, 7 11:00 am - 11:00 pm Brockville Ribfest August 7 @ 11:00 am - 11:00 pm Brockville Ribfest August 7, 8 & 9, 2026 Hardy Park, Brockville The 24th annual Brockville Ribfest is..., 12:00 pm - 9:00 pm 188th Merrickville Fair August 7 @ 12:00 pm - 9:00 pm 188th Merrickville Fair The 188th edition of the Merrickville Fair is set for August 7th to 9th. Hosted..., 1:00 pm - 10:30 pm Annual South Grenville Bluegrass Festival August 7 @ 1:00 pm - 10:30 pm Annual South Grenville Bluegrass Festival The annual South Grenville Bluegrass Festival began Thursday evening at the Spencerville Fairgrounds and continues...	4 events 8 4 events, 8 9:00 am - 10:00 pm 188th Merrickville Fair August 8 @ 9:00 am - 10:00 pm 188th Merrickville Fair The 188th edition of the Merrickville Fair is set for August 7th to 9th. Hosted..., 10:00 am - 10:30 pm Annual South Grenville Bluegrass Festival August 8 @ 10:00 am - 10:30 pm Annual South Grenville Bluegrass Festival The annual South Grenville Bluegrass Festival began Thursday evening at the Spencerville Fairgrounds and continues..., 10:30 am - 2:00 pm 40th 1000 Islands Poker Run August 8 @ 10:30 am - 2:00 pm 40th 1000 Islands Poker Run The 40th Annual 1000 Islands Kingston Poker Run takes place August 7–9, 2026, in Kingston,..., 11:00 am - 11:00 pm Brockville Ribfest August 8 @ 11:00 am - 11:00 pm Brockville Ribfest August 7, 8 & 9, 2026 Hardy Park, Brockville The 24th annual Brockville Ribfest is...	4 events 9 4 events, 9 8:00 am - 12:00 pm 2026 Thousand Islands Triathlon & Runs August 9 @ 8:00 am - 12:00 pm 2026 Thousand Islands Triathlon & Runs The annual Thousand Islands Triathlon & Runs is back at Centeen Park in Brockville on..., 9:00 am - 6:00 pm 188th Merrickville Fair August 9 @ 9:00 am - 6:00 pm 188th Merrickville Fair The 188th edition of the Merrickville Fair is set for August 7th to 9th. Hosted..., 10:00 am - 12:30 pm Annual South Grenville Bluegrass Festival August 9 @ 10:00 am - 12:30 pm Annual South Grenville Bluegrass Festival The annual South Grenville Bluegrass Festival began Thursday evening at the Spencerville Fairgrounds and continues..., 11:00 am - 6:00 pm Brockville Ribfest August 9 @ 11:00 am - 6:00 pm Brockville Ribfest August 7, 8 & 9, 2026 Hardy Park, Brockville The 24th annual Brockville Ribfest is...
0 events 10 0 events, 10	0 events 11 0 events, 11	1 event 12 1 event, 12 12:00 pm - 1:00 pm Music on the Veranda at Fulford Place August 12 @ 12:00 pm - 1:00 pm Music on the Veranda at Fulford Place Music on the Veranda is back at Fulford Place Museum this summer for an EXTENDED...	1 event 13 1 event, 13 11:00 am - 9:00 pm Brockville Poutine Feast August 13 @ 11:00 am - 9:00 pm Brockville Poutine Feast The annual Brockville Poutine Feast is back from Thursday, August 13 to Sunday, August 16...	1 event 14 1 event, 14 11:00 am - 9:00 pm Brockville Poutine Feast August 14 @ 11:00 am - 9:00 pm Brockville Poutine Feast The annual Brockville Poutine Feast is back from Thursday, August 13 to Sunday, August 16...	2 events 15 2 events, 15 9:00 am - 3:00 pm 43rd Annual Athens Cornfest August 15 @ 9:00 am - 3:00 pm 43rd Annual Athens Cornfest Come out to Athens on Saturday, August 15th for the 43rd annual Cornfest. It is..., 11:00 am - 9:00 pm Brockville Poutine Feast August 15 @ 11:00 am - 9:00 pm Brockville Poutine Feast The annual Brockville Poutine Feast is back from Thursday, August 13 to Sunday, August 16...	2 events 16 2 events, 16 11:00 am - 6:00 pm Brockville Poutine Feast August 16 @ 11:00 am - 6:00 pm Brockville Poutine Feast The annual Brockville Poutine Feast is back from Thursday, August 13 to Sunday, August 16..., 1:00 pm - 3:00 pm Growing Ontario: A Leadership Debate on Agriculture and Rural Communities August 16 @ 1:00 pm - 3:00 pm Growing Ontario: A Leadership Debate on Agriculture and Rural Communities Leeds–Grenville–Thousand Islands and Rideau Lakes Ontario Liberal Riding Association to Host the First Rural-Focused Leadership...
0 events 17 0 events, 17	1 event 18 1 event, 18 4:00 pm - 8:00 pm Twilight Tuesday Makers Market August 18 @ 4:00 pm - 8:00 pm Twilight Tuesday Makers Market The Twilight Tuesday Makers Market is back this summer at the Brockville Railway Tunnel with...	1 event 19 1 event, 19 12:00 pm - 1:00 pm Music on the Veranda at Fulford Place August 19 @ 12:00 pm - 1:00 pm Music on the Veranda at Fulford Place Music on the Veranda is back at Fulford Place Museum this summer for an EXTENDED...	0 events 20 0 events, 20	2 events 21 2 events, 21 10:00 am - 2:00 pm Touch-A-Truck Event Returns to Brockville in 2026 August 21 @ 10:00 am - 2:00 pm Touch-A-Truck Event Returns to Brockville in 2026 The Children’s Services Department of the United Counties of Leeds and Grenville, in partnership with..., 10:00 am - 9:00 pm 11th Annual Athens Truck Show August 21 @ 10:00 am - 9:00 pm 11th Annual Athens Truck Show The 11th annual Athens Truck Show is set to take place this Friday, August 21st...	3 events 22 3 events, 22 9:00 am - 5:00 pm Brockville SoccerFest 2026 August 22 @ 9:00 am - 5:00 pm Brockville SoccerFest 2026 Brockville SoccerFest is being held this weekend, August 22nd and 23rd in Brockville and Prescott..., 10:00 am - 4:00 pm 15th Annual Mallorytown Village Fair August 22 @ 10:00 am - 4:00 pm 15th Annual Mallorytown Village Fair The 15th annual Mallorytown Village Fair (MVF) is coming this Saturday, August 22, 2026, 10am-4pm,..., 10:00 am - 6:00 pm 11th Annual Athens Truck Show August 22 @ 10:00 am - 6:00 pm 11th Annual Athens Truck Show The 11th annual Athens Truck Show is set to take place this Friday, August 21st...	1 event 23 1 event, 23 11:00 am - 5:00 pm Brockville SoccerFest 2026 August 23 @ 11:00 am - 5:00 pm Brockville SoccerFest 2026 Brockville SoccerFest is being held this weekend, August 22nd and 23rd in Brockville and Prescott...
0 events 24 0 events, 24	0 events 25 0 events, 25	1 event 26 1 event, 26 12:00 pm - 1:00 pm Music on the Veranda at Fulford Place August 26 @ 12:00 pm - 1:00 pm Music on the Veranda at Fulford Place Music on the Veranda is back at Fulford Place Museum this summer for an EXTENDED...	0 events 27 0 events, 27	2 events 28 2 events, 28 9:00 am - 4:30 pm Canine Watersports Canada Canadian Dock Jumping Championships August 28 @ 9:00 am - 4:30 pm Canine Watersports Canada Canadian Dock Jumping Championships Canine Watersports Canada Canadian Dock Jumping Championships August 28, 29 & 30, 2026 Centennial Park..., 5:00 pm - 9:00 pm Brockville SoccerFest 2026 August 28 @ 5:00 pm - 9:00 pm Brockville SoccerFest 2026 Brockville SoccerFest is being held this weekend, August 22nd and 23rd in Brockville and Prescott...	1 event 29 1 event, 29 8:00 am - 5:30 pm Canine Watersports Canada Canadian Dock Jumping Championships August 29 @ 8:00 am - 5:30 pm Canine Watersports Canada Canadian Dock Jumping Championships Canine Watersports Canada Canadian Dock Jumping Championships August 28, 29 & 30, 2026 Centennial Park...	1 event 30 1 event, 30 8:00 am - 3:30 pm Canine Watersports Canada Canadian Dock Jumping Championships August 30 @ 8:00 am - 3:30 pm Canine Watersports Canada Canadian Dock Jumping Championships Canine Watersports Canada Canadian Dock Jumping Championships August 28, 29 & 30, 2026 Centennial Park...
0 events 31 0 events, 31

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