FPCN11 CWTO 071930
Forecasts for Southern Ontario and the National Capital Region issued
by Environment Canada at 3:30 p.m. EDT Tuesday 7 October 2025 for
tonight Wednesday and Wednesday night.
The next scheduled forecast will be issued at 5:00 a.m. EDT
Wednesday.

City of Toronto.
Tonight..Showers ending early this evening then clearing. Wind
 northwest 20 km/h. Low 10.
Wednesday..Sunny. Wind northwest 20 km/h gusting to 40. High 17. UV
 index 4 or moderate.
Wednesday night..Clear. Low plus 5.

Windsor - Essex - Chatham-Kent.
Tonight..A few showers ending this evening then clearing. Wind north
 20 km/h gusting to 40 becoming light this evening. Low 8.
Wednesday..Sunny. Wind becoming north 20 km/h gusting to 40 in the
 morning. High 17. UV index 5 or moderate.
Wednesday night..Clear. Low plus 3 with risk of frost.

Sarnia - Lambton.
Tonight..A few showers ending this evening then clearing. Wind north
 20 km/h gusting to 40 becoming light this evening. Low 10.
Wednesday..Sunny. Wind becoming north 20 km/h gusting to 40 in the
 morning. High 16. UV index 5 or moderate.
Wednesday night..Clear. Low plus 2 with risk of frost.

Elgin.
Tonight..A few showers ending this evening then clearing. Wind north
 20 km/h gusting to 40 becoming light late this evening. Low 8.
Wednesday..Sunny. Wind becoming north 20 km/h gusting to 40 in the
 morning. High 17. UV index 5 or moderate.
Wednesday night..Clear. Low plus 3 with risk of frost.

London - Middlesex.
Tonight..A few showers ending this evening then clearing. Wind north
 20 km/h gusting to 40 becoming light this evening. Low 8.
Wednesday..Sunny. Wind becoming north 20 km/h gusting to 40 in the
 morning. High 16. UV index 4 or moderate.
Wednesday night..Clear. Low plus 2 with risk of frost.

Simcoe - Delhi - Norfolk.
Tonight..A few showers ending late this evening then clearing. Wind
 west 20 km/h becoming north 20 gusting to 40 early this evening.
 Low 7.
Wednesday..Sunny. Wind north 20 km/h gusting to 40. High 17. UV
 index 4 or moderate.
Wednesday night..Clear. Low plus 2 with risk of frost.

Dunnville - Caledonia - Haldimand.
Tonight..Showers ending late this evening then clearing. Risk of a
 thunderstorm early this evening. Wind west 30 km/h becoming light
 after midnight. Low 6.
Wednesday..Sunny. Wind northwest 20 km/h gusting to 40. High 17. UV
 index 4 or moderate.
Wednesday night..Clear. Low plus 3 with risk of frost.

Oxford - Brant.
Tonight..A few showers ending late this evening then clearing. Wind
 west 20 km/h becoming light early this evening. Low 6.
Wednesday..Sunny. Wind northwest 20 km/h gusting to 40. High 17. UV
 index 4 or moderate.
Wednesday night..Clear. Low plus 2 with risk of frost.

Niagara Falls - Welland - Southern Niagara Region.
Tonight..Showers ending near midnight then partly cloudy. Wind west
 20 km/h becoming light this evening. Low 11.
Wednesday..Sunny. Wind northwest 20 km/h. High 16. UV index 4 or
 moderate.
Wednesday night..Clear. Low 7.

St. Catharines - Grimsby - Northern Niagara Region.
Tonight..Showers ending late this evening then clearing. Wind
 northwest 20 km/h. Low 11.
Wednesday..Sunny. Wind northwest 20 km/h. High 16. UV index 4 or
 moderate.
Wednesday night..Clear. Low plus 5.

City of Hamilton.
Tonight..A few showers ending late this evening then partly cloudy.
 Wind southwest 20 km/h becoming light early this evening. Low 7.
Wednesday..Sunny. Wind becoming north 20 km/h in the morning.
 High 17. UV index 4 or moderate.
Wednesday night..Clear. Low plus 3 with risk of frost.

Halton - Peel.
Tonight..Showers ending this evening then clearing. Low 7.
Wednesday..Sunny. Wind becoming north 20 km/h in the morning.
 High 17. UV index 4 or moderate.
Wednesday night..Clear. Low plus 2 with risk of frost.

York - Durham.
Tonight..A few showers ending this evening then clearing. Wind west
 20 km/h becoming light early this evening. Low 7.
Wednesday..Sunny. High 17. UV index 4 or moderate.
Wednesday night..Clear. Low plus 1 with risk of frost.

Goderich - Bluewater - Southern Huron County
Stratford - Mitchell - Southern Perth County.
Tonight..A few showers ending early this evening then clearing. Wind
 north 20 km/h. Low plus 5.
Wednesday..Sunny. Wind north 20 km/h gusting to 40. High 16. UV
 index 4 or moderate.
Wednesday night..Clear. Wind north 20 km/h becoming light in the
 evening. Low zero.

Wingham - Blyth - Northern Huron County
Listowel - Milverton - Northern Perth County.
Tonight..A few showers ending early this evening then clearing. Wind
 north 20 km/h. Low plus 5.
Wednesday..Sunny. Wind north 20 km/h gusting to 40. High 16. UV
 index 4 or moderate.
Wednesday night..Clear. Wind north 20 km/h becoming light in the
 evening. Low zero.

Kitchener - Cambridge - Region of Waterloo
Guelph - Erin - Southern Wellington County.
Tonight..A few showers ending early this evening then clearing.
 Low 6.
Wednesday..Sunny. Wind becoming north 20 km/h gusting to 40 in the
 morning. High 16. UV index 4 or moderate.
Wednesday night..Clear. Wind north 20 km/h becoming light in the
 evening. Low plus 1.

Mount Forest - Arthur - Northern Wellington County.
Tonight..A few showers ending early this evening then clearing. Low
 plus 5.
Wednesday..Sunny. Wind becoming north 20 km/h gusting to 40 in the
 morning. High 13. UV index 4 or moderate.
Wednesday night..Clear. Low plus 1.

Dufferin - Innisfil.
Tonight..A few showers ending early this evening then clearing. Low
 plus 5.
Wednesday..Sunny. Wind becoming northwest 20 km/h gusting to 40 in
 the morning. High 15. UV index 4 or moderate.
Wednesday night..Clear. Low minus 1.

Saugeen Shores - Kincardine - Southern Bruce County.
Tonight..Showers ending early this evening then clearing. Wind
 northwest 30 km/h. Low 6.
Wednesday..Sunny. Wind north 20 km/h. High 14. UV index 4 or
 moderate.
Wednesday night..Clear. Becoming partly cloudy in the evening. Wind
 north 20 km/h becoming light in the evening. Low plus 2.

Bruce Peninsula - Sauble Beach - Tobermory.
Tonight..Clearing early this evening. Wind northwest 30 km/h. Low 6.
Wednesday..Sunny. Wind north 20 km/h. High 14. UV index 4 or
 moderate.
Wednesday night..Clear. Becoming partly cloudy in the evening. Wind
 becoming east 20 km/h overnight. Low plus 2.

Hanover - Dundalk - Southern Grey County
Owen Sound - Blue Mountains - Northern Grey County.
Tonight..Showers ending early this evening then clearing. Wind
 northwest 20 km/h becoming light overnight. Low plus 4.
Wednesday..Sunny. Wind becoming north 30 km/h in the morning.
 High 13. UV index 4 or moderate.
Wednesday night..Clear. Low zero.

Barrie - Collingwood - Hillsdale.
Tonight..Showers ending early this evening then clearing. Wind
 northwest 20 km/h gusting to 40. Low 6.
Wednesday..Sunny. Wind north 20 km/h. High 15. UV index 4 or
 moderate.
Wednesday night..Clear. Low plus 1.

Midland - Coldwater - Orr Lake
Orillia - Lagoon City - Washago.
Tonight..Showers ending early this evening then clearing. Wind
 northwest 20 km/h gusting to 40. Low 6.
Wednesday..Sunny. Wind north 30 km/h. High 15. UV index 4 or
 moderate.
Wednesday night..Clear. Low plus 1.

Belleville - Quinte - Northumberland.
Tonight..Showers ending this evening then clearing. Risk of a
 thunderstorm early this evening. Wind southwest 30 km/h becoming
 light early this evening. Low 10.
Wednesday..Sunny. Wind becoming north 20 km/h near noon. High 17. UV
 index 4 or moderate.
Wednesday night..Clear. Low plus 2 with risk of frost.

Picton - Sandbanks Park
Napanee - Consecon.
Tonight..Showers ending late this evening then partly cloudy. Risk of
 a thunderstorm early this evening. Wind southwest 30 km/h becoming
 light this evening. Low 10.
Wednesday..Sunny. Wind becoming north 20 km/h in the afternoon.
 High 17. UV index 4 or moderate.
Wednesday night..Clear. Wind north 20 km/h becoming light in the
 evening. Low plus 2 with risk of frost.

Kingston - Odessa - Frontenac Islands.
Tonight..Showers ending late this evening then partly cloudy. Risk of
 a thunderstorm early this evening. Amount 15 to 25 mm. Wind
 southwest 20 km/h gusting to 40 becoming light this evening. Low 10.
Wednesday..Sunny. Wind becoming north 20 km/h in the afternoon.
 High 17. UV index 4 or moderate.
Wednesday night..Clear. Wind north 20 km/h becoming light in the
 evening. Low plus 3 with risk of frost.

Lindsay - Southern Kawartha Lakes
Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes.
Tonight..Showers ending this evening then clearing. Wind northwest
 20 km/h becoming light early this evening. Low 6.
Wednesday..Sunny. Wind becoming north 20 km/h gusting to 40 near
 noon. High 16. UV index 4 or moderate.
Wednesday night..Clear. Low minus 1.

Peterborough City - Lakefield - Southern Peterborough County
Apsley - Woodview - Northern Peterborough County.
Tonight..Showers ending this evening then clearing. Wind west 20 km/h
 becoming light this evening. Low 6.
Wednesday..Sunny. Wind becoming north 20 km/h gusting to 40 near
 noon. High 16. UV index 4 or moderate.
Wednesday night..Clear. Wind north 20 km/h becoming light in the
 evening. Low minus 1.

Stirling - Tweed - South Frontenac.
Tonight..A few showers ending late this evening then clearing. Risk
 of a thunderstorm early this evening. Amount 10 to 15 mm. Wind
 southwest 20 km/h becoming light early this evening. Low 8.
Wednesday..Sunny. Wind becoming north 20 km/h gusting to 40 in the
 afternoon. High 16. UV index 4 or moderate.
Wednesday night..Clear. Wind north 20 km/h becoming light in the
 evening. Low zero.

Bancroft - Bon Echo Park.
Tonight..A few showers ending this evening then clearing. Risk of a
 thunderstorm early this evening. Wind southwest 20 km/h becoming
 light early this evening. Low plus 5.
Wednesday..Sunny. Wind becoming north 20 km/h gusting to 40 in the
 afternoon. High 12. UV index 4 or moderate.
Wednesday night..Clear. Wind north 20 km/h becoming light in the
 evening. Low minus 4. Wind chill minus 6 overnight.

Gananoque - Mallorytown.
Tonight..A few showers ending near midnight then partly cloudy. Risk
 of a thunderstorm early this evening. Amount 15 to 25 mm. Wind
 southwest 20 km/h becoming light this evening. Low 9.
Wednesday..Sunny. Wind becoming north 20 km/h gusting to 40 near
 noon. High 16. UV index 4 or moderate.
Wednesday night..Clear. Wind north 20 km/h becoming light near
 midnight. Low plus 1 with risk of frost.

Brockville - Prescott.
Tonight..A few showers ending near midnight then partly cloudy. Risk
 of a thunderstorm early this evening. Amount 15 to 25 mm. Wind
 southwest 20 km/h becoming light this evening. Low 9.
Wednesday..Sunny. Wind becoming north 20 km/h gusting to 40 near
 noon. High 16. UV index 4 or moderate.
Wednesday night..Clear. Low plus 1 with risk of frost.

Westport - Charleston Lake
Merrickville-Wolford - Kemptville.
Tonight..A few showers ending near midnight then partly cloudy. Risk
 of a thunderstorm early this evening. Amount 10 to 20 mm. Wind
 southwest 20 km/h becoming light this evening. Low 9.
Wednesday..Sunny. Wind becoming north 20 km/h gusting to 40 near
 noon. High 16. UV index 4 or moderate.
Wednesday night..Clear. Low plus 1.

City of Ottawa.
Tonight..A few showers ending this evening then clearing. Risk of a
 thunderstorm early this evening. Wind southwest 20 km/h becoming
 light early this evening. Low 8.
Wednesday..Sunny. Wind becoming north 20 km/h gusting to 40 near
 noon. High 15. UV index 4 or moderate.
Wednesday night..Clear. Wind northwest 20 km/h becoming light in the
 evening. Low zero.

Gatineau.
Tonight..A few showers ending this evening then clearing. Risk of a
 thunderstorm early this evening. Wind southwest 20 km/h becoming
 light early this evening. Low 8.
Wednesday..Sunny. Wind becoming north 20 km/h gusting to 40 near
 noon. High 16. UV index 4 or moderate.
Wednesday night..Clear. Low plus 1.

Prescott and Russell.
Tonight..A few showers ending near midnight then clearing. Risk of a
 thunderstorm early this evening. Wind southwest 20 km/h becoming
 light this evening. Low 8.
Wednesday..Sunny. Wind becoming north 20 km/h gusting to 40 near
 noon. High 15. UV index 4 or moderate.
Wednesday night..Clear. Low zero.

Cornwall - Morrisburg.
Tonight..A few showers ending after midnight then partly cloudy. Risk
 of a thunderstorm early this evening. Amount 10 to 20 mm. Low 9.
Wednesday..Clearing in the morning. Wind becoming north 20 km/h
 gusting to 40 near noon. High 16. UV index 4 or moderate.
Wednesday night..Clear. Low zero.

Smiths Falls - Lanark - Sharbot Lake.
Tonight..A few showers ending late this evening then clearing. Risk
 of a thunderstorm early this evening. Wind southwest 20 km/h
 becoming light early this evening. Low 8.
Wednesday..Sunny. High 16. UV index 4 or moderate.
Wednesday night..Clear. Low plus 1.

Port Carling - Port Severn
Bracebridge - Gravenhurst.
Tonight..A few showers ending early this evening then clearing. Wind
 northwest 20 km/h becoming light after midnight. Low plus 5.
Wednesday..Sunny. Wind north 20 km/h. High 15. UV index 4 or
 moderate.
Wednesday night..Clear. Wind up to 15 km/h. Low minus 3. Wind chill
 minus 5 overnight.

Town of Parry Sound - Rosseau - Killbear Park
Huntsville - Baysville.
Tonight..Cloudy with 30 percent chance of showers early this evening.
 Clearing this evening. Wind northwest 20 km/h becoming light after
 midnight. Low plus 5.
Wednesday..Sunny. Wind north 20 km/h. High 14. UV index 4 or
 moderate.
Wednesday night..Clear. Low minus 2.

Haliburton.
Tonight..A few showers ending early this evening then clearing. Low
 plus 5.
Wednesday..Sunny. Wind north 20 km/h becoming light in the afternoon.
 High 13. UV index 4 or moderate.
Wednesday night..Clear. Low minus 2.

Renfrew - Pembroke - Barry's Bay.
Tonight..A few showers ending this evening then clearing. Low 8.
Wednesday..Sunny. Wind becoming north 20 km/h gusting to 40 near
 noon. High 13. UV index 4 or moderate.
Wednesday night..Clear. Low minus 2.

Algonquin.
Tonight..Cloudy with 30 percent chance of showers early this evening.
 Clearing this evening. Low plus 4.
Wednesday..Sunny. High 11. UV index 4 or moderate.
Wednesday night..Clear. Low minus 6.

Burk's Falls - Bayfield Inlet.
Tonight..Clearing early this evening. Low plus 5.
Wednesday..Sunny. High 14. UV index 4 or moderate.
Wednesday night..Clear. Low minus 3.

End
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 * Origin: Northern Realms (618:400/23)