637
FPCN11 CWTO 101948 AAA
UPDATED FORECASTS FOR SOUTHERN ONTARIO AND THE NATIONAL CAPITAL
REGION ISSUED BY ENVIRONMENT CANADA AT 3:48 P.M. EDT THURSDAY 10
SEPTEMBER 2026 FOR TONIGHT FRIDAY AND FRIDAY NIGHT.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. EDT FRIDAY.
PICKERING - OSHAWA - SOUTHERN DURHAM REGION.
TONIGHT..MAINLY CLOUDY. CLEARING NEAR MIDNIGHT. WIND NORTHWEST
30 KM/H GUSTING TO 50 BECOMING LIGHT THIS EVENING. LOW 12.
FRIDAY..SUNNY. HIGH 24. HUMIDEX 25. UV INDEX 6 OR HIGH.
FRIDAY NIGHT..CLEAR. LOW 14.
UXBRIDGE - BEAVERTON - NORTHERN DURHAM REGION.
TONIGHT..PARTLY CLOUDY. FOG PATCHES DEVELOPING OVERNIGHT. WIND
NORTHWEST 30 KM/H GUSTING TO 50 BECOMING LIGHT THIS EVENING. LOW 10.
FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 24. UV
INDEX 6 OR HIGH.
FRIDAY NIGHT..CLEAR. LOW 13.
MIDLAND - COLDWATER - ORR LAKE.
TONIGHT..PARTLY CLOUDY. CLEARING NEAR MIDNIGHT. FOG PATCHES
DEVELOPING AFTER MIDNIGHT. WIND NORTHWEST 30 KM/H GUSTING TO 50
BECOMING LIGHT LATE THIS EVENING. LOW 10.
FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 22.
HUMIDEX 25. UV INDEX 6 OR HIGH.
FRIDAY NIGHT..CLEAR. LOW 13.
ORILLIA - LAGOON CITY - WASHAGO.
TONIGHT..PARTLY CLOUDY. CLEARING NEAR MIDNIGHT. FOG PATCHES
DEVELOPING AFTER MIDNIGHT. WIND NORTHWEST 40 KM/H GUSTING TO 60
BECOMING LIGHT LATE THIS EVENING. LOW 10.
FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 22.
HUMIDEX 25. UV INDEX 6 OR HIGH.
FRIDAY NIGHT..CLEAR. WIND BECOMING SOUTHEAST 20 KM/H AFTER MIDNIGHT.
LOW 14.
COBOURG - COLBORNE - WESTERN NORTHUMBERLAND COUNTY.
TONIGHT..PARTLY CLOUDY. FOG PATCHES DEVELOPING AFTER MIDNIGHT. WIND
WEST 30 KM/H GUSTING TO 60 BECOMING LIGHT THIS EVENING. LOW 12.
FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 22.
HUMIDEX 25. UV INDEX 6 OR HIGH.
FRIDAY NIGHT..CLEAR. LOW 14.
BELLEVILLE - QUINTE WEST - EASTERN NORTHUMBERLAND COUNTY.
TONIGHT..PARTLY CLOUDY. FOG PATCHES DEVELOPING AFTER MIDNIGHT. WIND
WEST 30 KM/H GUSTING TO 60 BECOMING LIGHT THIS EVENING. LOW 12.
FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 22.
HUMIDEX 25. UV INDEX 6 OR HIGH.
FRIDAY NIGHT..CLEAR. LOW 14.
PICTON - SANDBANKS PARK.
TONIGHT..MAINLY CLOUDY. CLEARING AFTER MIDNIGHT. WIND WEST 30 KM/H
GUSTING TO 60 BECOMING LIGHT THIS EVENING. LOW 13.
FRIDAY..SUNNY. HIGH 22. HUMIDEX 25. UV INDEX 6 OR HIGH.
FRIDAY NIGHT..CLEAR. LOW 14.
NAPANEE - CONSECON.
TONIGHT..MAINLY CLOUDY. CLEARING AFTER MIDNIGHT. WIND WEST 30 KM/H
GUSTING TO 60 BECOMING LIGHT THIS EVENING. LOW 13.
FRIDAY..SUNNY. HIGH 22. HUMIDEX 25. UV INDEX 6 OR HIGH.
FRIDAY NIGHT..CLEAR. LOW 14.
KINGSTON - ODESSA - FRONTENAC ISLANDS.
TONIGHT..PARTLY CLOUDY. CLEARING AFTER MIDNIGHT. WIND WEST 30 KM/H
GUSTING TO 50 BECOMING LIGHT THIS EVENING. LOW 11.
FRIDAY..SUNNY. HIGH 22. HUMIDEX 25. UV INDEX 6 OR HIGH.
FRIDAY NIGHT..CLEAR. LOW 14.
LINDSAY - SOUTHERN KAWARTHA LAKES.
TONIGHT..PARTLY CLOUDY. FOG PATCHES DEVELOPING AFTER MIDNIGHT. WIND
WEST 30 KM/H GUSTING TO 60 BECOMING LIGHT THIS EVENING. LOW 8.
FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 22. UV
INDEX 6 OR HIGH.
FRIDAY NIGHT..CLEAR. LOW 11.
FENELON FALLS - BALSAM LAKE PARK - NORTHERN KAWARTHA LAKES.
TONIGHT..PARTLY CLOUDY. CLEARING LATE THIS EVENING. FOG PATCHES
DEVELOPING AFTER MIDNIGHT. WIND NORTHWEST 40 KM/H GUSTING TO 60
BECOMING LIGHT THIS EVENING. LOW 7.
FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 22. UV
INDEX 6 OR HIGH.
FRIDAY NIGHT..CLEAR. LOW 10.
PETERBOROUGH CITY - LAKEFIELD - SOUTHERN PETERBOROUGH COUNTY.
TONIGHT..PARTLY CLOUDY. FOG PATCHES DEVELOPING AFTER MIDNIGHT. WIND
NORTHWEST 30 KM/H GUSTING TO 50 BECOMING LIGHT THIS EVENING. LOW 8.
FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 22. UV
INDEX 6 OR HIGH.
FRIDAY NIGHT..CLEAR. LOW 11.
APSLEY - WOODVIEW - NORTHERN PETERBOROUGH COUNTY.
TONIGHT..PARTLY CLOUDY. CLEARING LATE THIS EVENING. FOG PATCHES
DEVELOPING AFTER MIDNIGHT. WIND WEST 30 KM/H GUSTING TO 60 BECOMING
LIGHT THIS EVENING. LOW 7.
FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 22. UV
INDEX 6 OR HIGH.
FRIDAY NIGHT..CLEAR. LOW 10.
STIRLING - TWEED - MADOC.
TONIGHT..PARTLY CLOUDY. CLEARING LATE THIS EVENING. FOG PATCHES
DEVELOPING AFTER MIDNIGHT. WIND WEST 30 KM/H GUSTING TO 60 BECOMING
LIGHT THIS EVENING. LOW 9.
FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 22.
HUMIDEX 25. UV INDEX 6 OR HIGH.
FRIDAY NIGHT..CLEAR. LOW 10.
TAMWORTH - SYDENHAM - SOUTH FRONTENAC.
TONIGHT..PARTLY CLOUDY. CLEARING AFTER MIDNIGHT. WIND WEST 30 KM/H
GUSTING TO 50 BECOMING LIGHT THIS EVENING. LOW 9.
FRIDAY..SUNNY. HIGH 22. HUMIDEX 25. UV INDEX 6 OR HIGH.
FRIDAY NIGHT..CLEAR. LOW 10.
KALADAR - BANNOCKBURN - BON ECHO PARK.
TONIGHT..PARTLY CLOUDY. CLEARING LATE THIS EVENING. FOG PATCHES
DEVELOPING AFTER MIDNIGHT. WIND WEST 30 KM/H GUSTING TO 50 BECOMING
LIGHT THIS EVENING. LOW 6.
FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 22. UV
INDEX 6 OR HIGH.
FRIDAY NIGHT..CLEAR. LOW 10.
BANCROFT - HASTINGS HIGHLANDS - DENBIGH.
TONIGHT..PARTLY CLOUDY. CLEARING LATE THIS EVENING. FOG PATCHES
DEVELOPING AFTER MIDNIGHT. WIND WEST 30 KM/H GUSTING TO 60 BECOMING
LIGHT THIS EVENING. LOW PLUS 5.
FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 21. UV
INDEX 6 OR HIGH.
FRIDAY NIGHT..CLEAR. LOW 9.
GANANOQUE - MALLORYTOWN.
TONIGHT..PARTLY CLOUDY. CLEARING AFTER MIDNIGHT. WIND WEST 30 KM/H
GUSTING TO 50 BECOMING LIGHT THIS EVENING. LOW 9.
FRIDAY..SUNNY. HIGH 22. UV INDEX 6 OR HIGH.
FRIDAY NIGHT..CLEAR. LOW 10.
WESTPORT - CHARLESTON LAKE.
TONIGHT..PARTLY CLOUDY. CLEARING AFTER MIDNIGHT. WIND WEST 30 KM/H
GUSTING TO 50 BECOMING LIGHT THIS EVENING. LOW 9.
FRIDAY..SUNNY. HIGH 22. UV INDEX 6 OR HIGH.
FRIDAY NIGHT..CLEAR. LOW 10.
PLEVNA - SHARBOT LAKE - WESTERN LANARK COUNTY.
TONIGHT..PARTLY CLOUDY. CLEARING THIS EVENING. FOG PATCHES DEVELOPING
OVERNIGHT. WIND WEST 30 KM/H GUSTING TO 60 BECOMING LIGHT THIS
EVENING. LOW 8.
FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 22. UV
INDEX 6 OR HIGH.
FRIDAY NIGHT..CLEAR. LOW 9.
SMITHS FALLS - PERTH - EASTERN LANARK COUNTY.
TONIGHT..PARTLY CLOUDY. CLEARING THIS EVENING. FOG PATCHES DEVELOPING
OVERNIGHT. WIND WEST 30 KM/H GUSTING TO 50 BECOMING NORTH 20 THEN
LIGHT THIS EVENING. LOW 8.
FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 22. UV
INDEX 6 OR HIGH.
FRIDAY NIGHT..CLEAR. LOW 9.
PORT CARLING - PORT SEVERN.
TONIGHT..PARTLY CLOUDY. CLEARING NEAR MIDNIGHT. FOG PATCHES
DEVELOPING AFTER MIDNIGHT. WIND NORTHWEST 40 KM/H GUSTING TO 60
DIMINISHING TO 20 THIS EVENING THEN BECOMING LIGHT LATE THIS
EVENING. LOW 8.
FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 22. UV
INDEX 6 OR HIGH.
FRIDAY NIGHT..CLEAR. LOW 11.
BRACEBRIDGE - GRAVENHURST.
TONIGHT..PARTLY CLOUDY. CLEARING NEAR MIDNIGHT. FOG PATCHES
DEVELOPING AFTER MIDNIGHT. WIND WEST 30 KM/H GUSTING TO 50 BECOMING
LIGHT THIS EVENING. LOW 8.
FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 22. UV
INDEX 6 OR HIGH.
FRIDAY NIGHT..CLEAR. LOW 11.
HUNTSVILLE - BAYSVILLE.
TONIGHT..PARTLY CLOUDY. CLEARING THIS EVENING. FOG PATCHES DEVELOPING
OVERNIGHT. WIND WEST 30 KM/H GUSTING TO 50 BECOMING LIGHT THIS
EVENING. LOW 9.
FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 22. UV
INDEX 6 OR HIGH.
FRIDAY NIGHT..CLEAR. LOW 11.
HALIBURTON - MINDEN - SOUTHERN HALIBURTON COUNTY.
TONIGHT..PARTLY CLOUDY. CLEARING LATE THIS EVENING. FOG PATCHES
DEVELOPING AFTER MIDNIGHT. WIND WEST 30 KM/H GUSTING TO 50 BECOMING
LIGHT THIS EVENING. LOW 6.
FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 21. UV
INDEX 6 OR HIGH.
FRIDAY NIGHT..CLEAR. LOW 9.
OXTONGUE LAKE - FORT IRWIN - NORTHERN HALIBURTON COUNTY.
TONIGHT..PARTLY CLOUDY. CLEARING LATE THIS EVENING. FOG PATCHES
DEVELOPING AFTER MIDNIGHT. WIND WEST 30 KM/H GUSTING TO 50 BECOMING
LIGHT THIS EVENING. LOW 6.
FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 21. UV
INDEX 6 OR HIGH.
FRIDAY NIGHT..CLEAR. LOW 8.
BARRY'S BAY - KILLALOE.
TONIGHT..PARTLY CLOUDY. CLEARING THIS EVENING. FOG PATCHES DEVELOPING
OVERNIGHT. WIND NORTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS
EVENING. LOW 6.
FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 21. UV
INDEX 6 OR HIGH.
FRIDAY NIGHT..CLEAR. LOW 9.
REMAINDER UNCHANGED.
END
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