775
FPCN11 CWTO 292208 AAB
UPDATED FORECASTS FOR SOUTHERN ONTARIO AND THE NATIONAL CAPITAL
REGION ISSUED BY ENVIRONMENT CANADA AT 6:07 P.M. EDT SATURDAY 29
AUGUST 2026 FOR TONIGHT SUNDAY AND SUNDAY NIGHT.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. EDT SUNDAY.
CITY OF TORONTO.
TONIGHT..PARTLY CLOUDY. BECOMING CLOUDY LATE THIS EVENING. WIND
SOUTHWEST 20 KM/H BECOMING LIGHT THIS EVENING. LOW 19.
SUNDAY..CLOUDY. 60 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON.
HIGH 23. HUMIDEX 28. UV INDEX 5 OR MODERATE.
SUNDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW 19.
BURLINGTON - OAKVILLE.
TONIGHT..MAINLY CLOUDY. WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING
LIGHT THIS EVENING. LOW 19.
SUNDAY..CLOUDY. 40 PERCENT CHANCE OF SHOWERS LATE IN THE AFTERNOON.
WIND BECOMING WEST 30 KM/H IN THE AFTERNOON. HIGH 22. HUMIDEX 29. UV
INDEX 5 OR MODERATE.
SUNDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 18.
HALTON HILLS - MILTON.
TONIGHT..PARTLY CLOUDY. BECOMING CLOUDY THIS EVENING. WIND SOUTHWEST
20 KM/H BECOMING LIGHT EARLY THIS EVENING. LOW 19.
SUNDAY..CLOUDY. 40 PERCENT CHANCE OF SHOWERS LATE IN THE AFTERNOON.
WIND BECOMING WEST 20 KM/H IN THE AFTERNOON. HIGH 22. HUMIDEX 29. UV
INDEX 5 OR MODERATE.
SUNDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 18.
MISSISSAUGA - BRAMPTON.
TONIGHT..PARTLY CLOUDY. BECOMING CLOUDY THIS EVENING. LOW 19.
SUNDAY..CLOUDY. 40 PERCENT CHANCE OF SHOWERS LATE IN THE AFTERNOON.
WIND BECOMING SOUTHWEST 20 KM/H IN THE AFTERNOON. HIGH 22. HUMIDEX
29. UV INDEX 5 OR MODERATE.
SUNDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 18.
CALEDON.
TONIGHT..CLOUDY. 30 PERCENT CHANCE OF SHOWERS OVERNIGHT. WIND
SOUTHWEST 20 KM/H BECOMING LIGHT LATE THIS EVENING. LOW 18.
SUNDAY..CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE MORNING. A FEW
SHOWERS BEGINNING NEAR NOON. HIGH 22. HUMIDEX 29. UV INDEX 5 OR
MODERATE.
SUNDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 18.
VAUGHAN - RICHMOND HILL - MARKHAM.
TONIGHT..PARTLY CLOUDY. BECOMING CLOUDY THIS EVENING. LOW 19.
SUNDAY..CLOUDY. 60 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON.
HIGH 21. HUMIDEX 27. UV INDEX 5 OR MODERATE.
SUNDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW 18.
NEWMARKET - GEORGINA - NORTHERN YORK REGION.
TONIGHT..PARTLY CLOUDY. BECOMING CLOUDY THIS EVENING. WIND SOUTHWEST
20 KM/H BECOMING LIGHT EARLY THIS EVENING. LOW 18.
SUNDAY..CLOUDY. 60 PERCENT CHANCE OF SHOWERS LATE IN THE MORNING AND
IN THE AFTERNOON. HIGH 21. HUMIDEX 27. UV INDEX 5 OR MODERATE.
SUNDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 18.
GODERICH - BLUEWATER - SOUTHERN HURON COUNTY.
TONIGHT..CLOUDY. 30 PERCENT CHANCE OF SHOWERS OVERNIGHT. WIND SOUTH
20 KM/H BECOMING LIGHT LATE THIS EVENING. WIND BECOMING NORTHWEST 30
GUSTING TO 50 AFTER MIDNIGHT. LOW 18.
SUNDAY..CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE MORNING. A FEW
SHOWERS BEGINNING NEAR NOON. WIND BECOMING SOUTHWEST 30 KM/H EARLY
IN THE AFTERNOON. HIGH 21. HUMIDEX 29. UV INDEX 4 OR MODERATE.
SUNDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. WIND SOUTH
20 KM/H. LOW 19.
WINGHAM - BLYTH - NORTHERN HURON COUNTY.
TONIGHT..CLOUDY. 30 PERCENT CHANCE OF SHOWERS OVERNIGHT. WIND
BECOMING WEST 20 KM/H OVERNIGHT. LOW 18.
SUNDAY..CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE MORNING. A FEW
SHOWERS BEGINNING NEAR NOON. WIND BECOMING SOUTHWEST 20 KM/H NEAR
NOON. HIGH 21. HUMIDEX 29. UV INDEX 4 OR MODERATE.
SUNDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 19.
STRATFORD - MITCHELL - SOUTHERN PERTH COUNTY.
TONIGHT..CLOUDY. 30 PERCENT CHANCE OF SHOWERS OVERNIGHT. WIND
SOUTHWEST 20 KM/H BECOMING LIGHT EARLY THIS EVENING. LOW 18.
SUNDAY..CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE MORNING. A FEW
SHOWERS BEGINNING NEAR NOON. WIND BECOMING SOUTHWEST 20 KM/H NEAR
NOON. HIGH 21. HUMIDEX 29. UV INDEX 4 OR MODERATE.
SUNDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 19.
LISTOWEL - MILVERTON - NORTHERN PERTH COUNTY.
TONIGHT..BECOMING CLOUDY THIS EVENING. 30 PERCENT CHANCE OF SHOWERS
OVERNIGHT. WIND SOUTHWEST 20 KM/H BECOMING LIGHT EARLY THIS EVENING.
LOW 18.
SUNDAY..CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE MORNING. A FEW
SHOWERS BEGINNING NEAR NOON. WIND BECOMING SOUTHWEST 20 KM/H LATE IN
THE MORNING. HIGH 21. HUMIDEX 29. UV INDEX 4 OR MODERATE.
SUNDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 19.
KITCHENER - CAMBRIDGE - REGION OF WATERLOO.
TONIGHT..BECOMING CLOUDY THIS EVENING. 30 PERCENT CHANCE OF SHOWERS
OVERNIGHT. WIND SOUTHWEST 20 KM/H BECOMING LIGHT THIS EVENING.
LOW 17.
SUNDAY..CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE MORNING. A FEW
SHOWERS BEGINNING NEAR NOON. WIND BECOMING WEST 20 KM/H EARLY IN THE
AFTERNOON. HIGH 21. HUMIDEX 26. UV INDEX 5 OR MODERATE.
SUNDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 17.
GUELPH - ERIN - SOUTHERN WELLINGTON COUNTY.
TONIGHT..CLOUDY. 30 PERCENT CHANCE OF SHOWERS OVERNIGHT. WIND
SOUTHWEST 20 KM/H BECOMING LIGHT EARLY THIS EVENING. LOW 17.
SUNDAY..CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE MORNING. A FEW
SHOWERS BEGINNING NEAR NOON. WIND BECOMING WEST 20 KM/H EARLY IN THE
AFTERNOON. HIGH 21. HUMIDEX 26. UV INDEX 5 OR MODERATE.
SUNDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 17.
MOUNT FOREST - ARTHUR - NORTHERN WELLINGTON COUNTY.
TONIGHT..CLOUDY. 30 PERCENT CHANCE OF SHOWERS OVERNIGHT. WIND
SOUTHWEST 20 KM/H BECOMING LIGHT THIS EVENING. LOW 17.
SUNDAY..CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE MORNING. A FEW
SHOWERS BEGINNING NEAR NOON. WIND BECOMING SOUTHWEST 20 KM/H EARLY
IN THE AFTERNOON. HIGH 21. HUMIDEX 26. UV INDEX 5 OR MODERATE.
SUNDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 17.
ORANGEVILLE - GRAND VALLEY - SOUTHERN DUFFERIN COUNTY.
TONIGHT..CLOUDY. 30 PERCENT CHANCE OF SHOWERS OVERNIGHT. WIND
SOUTHWEST 20 KM/H BECOMING LIGHT EARLY THIS EVENING. LOW 17.
SUNDAY..CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE MORNING. A FEW
SHOWERS BEGINNING NEAR NOON. HIGH 21. HUMIDEX 28. UV INDEX 4 OR
MODERATE.
SUNDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 17.
SHELBURNE - MANSFIELD - NORTHERN DUFFERIN COUNTY.
TONIGHT..CLOUDY. 40 PERCENT CHANCE OF SHOWERS LATE THIS EVENING AND
OVERNIGHT. WIND SOUTHWEST 20 KM/H BECOMING LIGHT THIS EVENING.
LOW 17.
SUNDAY..CLOUDY. 40 PERCENT CHANCE OF SHOWERS IN THE MORNING. A FEW
SHOWERS BEGINNING NEAR NOON. WIND BECOMING SOUTHWEST 20 KM/H NEAR
NOON. HIGH 21. HUMIDEX 28. UV INDEX 4 OR MODERATE.
SUNDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 17.
INNISFIL - NEW TECUMSETH - ANGUS.
TONIGHT..CLOUDY. WIND SOUTHWEST 20 KM/H BECOMING LIGHT EARLY THIS
EVENING. LOW 17.
SUNDAY..CLOUDY. 60 PERCENT CHANCE OF SHOWERS LATE IN THE MORNING AND
IN THE AFTERNOON. HIGH 21. HUMIDEX 28. UV INDEX 5 OR MODERATE.
SUNDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 17.
SAUGEEN SHORES - KINCARDINE - SOUTHERN BRUCE COUNTY.
TONIGHT..CLOUDY. 40 PERCENT CHANCE OF SHOWERS LATE THIS EVENING AND
OVERNIGHT. WIND SOUTHWEST 30 KM/H BECOMING LIGHT EARLY THIS EVENING.
LOW 18.
SUNDAY..CLOUDY. 40 PERCENT CHANCE OF SHOWERS IN THE MORNING. A FEW
SHOWERS BEGINNING NEAR NOON. WIND BECOMING SOUTHWEST 20 KM/H GUSTING
TO 40 NEAR NOON THEN LIGHT IN THE AFTERNOON. HIGH 21. HUMIDEX 28. UV
INDEX 4 OR MODERATE.
SUNDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 19.
BRUCE PENINSULA - SAUBLE BEACH - TOBERMORY.
TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS LATE THIS
EVENING AND OVERNIGHT. LOW 17.
SUNDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 20. HUMIDEX
26. UV INDEX 5 OR MODERATE.
SUNDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 17.
HANOVER - DUNDALK - SOUTHERN GREY COUNTY.
TONIGHT..CLOUDY. 40 PERCENT CHANCE OF SHOWERS LATE THIS EVENING AND
OVERNIGHT. WIND SOUTHWEST 20 KM/H. LOW 17.
SUNDAY..CLOUDY. 40 PERCENT CHANCE OF SHOWERS IN THE MORNING. A FEW
SHOWERS BEGINNING NEAR NOON. WIND BECOMING SOUTHWEST 20 KM/H EARLY
IN THE AFTERNOON. HIGH 21. HUMIDEX 27. UV INDEX 4 OR MODERATE.
SUNDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 17.
OWEN SOUND - BLUE MOUNTAINS - NORTHERN GREY COUNTY.
TONIGHT..CLOUDY. 30 PERCENT CHANCE OF SHOWERS LATE THIS EVENING AND
OVERNIGHT. WIND SOUTHWEST 20 KM/H BECOMING LIGHT EARLY THIS EVENING.
LOW 17.
SUNDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. WIND BECOMING
SOUTHWEST 20 KM/H IN THE AFTERNOON. HIGH 21. HUMIDEX 27. UV INDEX 5
OR MODERATE.
SUNDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 17.
BARRIE - COLLINGWOOD - HILLSDALE.
TONIGHT..CLOUDY. 40 PERCENT CHANCE OF SHOWERS LATE THIS EVENING AND
OVERNIGHT. LOW 17.
SUNDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 20. HUMIDEX
25. UV INDEX 5 OR MODERATE.
SUNDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 17.
MIDLAND - COLDWATER - ORR LAKE.
TONIGHT..BECOMING CLOUDY THIS EVENING WITH 40 PERCENT CHANCE OF
SHOWERS LATE THIS EVENING AND OVERNIGHT. WIND SOUTHWEST 30 KM/H
BECOMING LIGHT EARLY THIS EVENING. LOW 17.
SUNDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 20. HUMIDEX
25. UV INDEX 5 OR MODERATE.
SUNDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 17.
ORILLIA - LAGOON CITY - WASHAGO.
TONIGHT..CLOUDY. 40 PERCENT CHANCE OF SHOWERS LATE THIS EVENING AND
OVERNIGHT. WIND SOUTHWEST 20 KM/H BECOMING LIGHT BEFORE MORNING.
LOW 17.
SUNDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 20. HUMIDEX
25. UV INDEX 5 OR MODERATE.
SUNDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 17.
PORT CARLING - PORT SEVERN.
TONIGHT..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. FOG PATCHES
DEVELOPING OVERNIGHT. WIND WEST 20 KM/H BECOMING LIGHT EARLY THIS
EVENING. LOW 17.
SUNDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. FOG PATCHES
DISSIPATING IN THE MORNING. HIGH 21. HUMIDEX 26. UV INDEX 5 OR
MODERATE.
SUNDAY NIGHT..CLOUDY. 60 PERCENT CHANCE OF SHOWERS IN THE EVENING.
LOW 15.
BRACEBRIDGE - GRAVENHURST.
TONIGHT..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. FOG PATCHES
DEVELOPING OVERNIGHT. WIND WEST 20 KM/H BECOMING LIGHT EARLY THIS
EVENING. LOW 17.
SUNDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. FOG PATCHES
DISSIPATING IN THE MORNING. WIND BECOMING WEST 20 KM/H IN THE
AFTERNOON. HIGH 21. HUMIDEX 26. UV INDEX 5 OR MODERATE.
SUNDAY NIGHT..CLOUDY. 60 PERCENT CHANCE OF SHOWERS IN THE EVENING.
LOW 15.
TOWN OF PARRY SOUND - ROSSEAU - KILLBEAR PARK.
TONIGHT..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. FOG PATCHES
DEVELOPING OVERNIGHT. WIND WEST 30 KM/H GUSTING TO 50 BECOMING LIGHT
LATE THIS EVENING. LOW 16.
SUNDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. FOG PATCHES
DISSIPATING IN THE MORNING. WIND WEST 20 KM/H BECOMING LIGHT EARLY
IN THE MORNING. HIGH 21. HUMIDEX 26. UV INDEX 6 OR HIGH.
SUNDAY NIGHT..CLOUDY. LOW 15.
HUNTSVILLE - BAYSVILLE.
TONIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. FOG PATCHES
DEVELOPING OVERNIGHT. WIND WEST 20 KM/H BECOMING LIGHT EARLY THIS
EVENING. LOW 16.
SUNDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. FOG PATCHES
DISSIPATING IN THE MORNING. WIND BECOMING WEST 20 KM/H IN THE
AFTERNOON. HIGH 21. HUMIDEX 26. UV INDEX 5 OR MODERATE.
SUNDAY NIGHT..CLOUDY. LOW 15.
REMAINDER UNCHANGED.
END
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