695
FPCN11 CWTO 131230 AAA
UPDATED FORECASTS FOR SOUTHERN ONTARIO AND THE NATIONAL CAPITAL
REGION ISSUED BY ENVIRONMENT CANADA AT 8:29 A.M. EDT SATURDAY 13
SEPTEMBER 2025 FOR TODAY AND SUNDAY.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 11:00 A.M. EDT.
GODERICH - BLUEWATER - SOUTHERN HURON COUNTY.
TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS THIS
MORNING AND EARLY THIS AFTERNOON. CLEARING THIS AFTERNOON. HIGH 23.
HUMIDEX 26. UV INDEX 6 OR HIGH.
TONIGHT..A FEW CLOUDS. LOW 11.
SUNDAY..MAINLY SUNNY. HIGH 24. HUMIDEX 27. UV INDEX 6 OR HIGH.
WINGHAM - BLYTH - NORTHERN HURON COUNTY.
TODAY..A MIX OF SUN AND CLOUD. 70 PERCENT CHANCE OF SHOWERS THIS
MORNING THEN 30 PERCENT CHANCE OF SHOWERS EARLY THIS AFTERNOON.
HIGH 23. HUMIDEX 26. UV INDEX 6 OR HIGH.
TONIGHT..A FEW CLOUDS. LOW 11.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 24. HUMIDEX 27. UV INDEX 6 OR
HIGH.
STRATFORD - MITCHELL - SOUTHERN PERTH COUNTY.
TODAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS MORNING
AND EARLY THIS AFTERNOON. CLEARING THIS AFTERNOON. HIGH 24. HUMIDEX
27. UV INDEX 6 OR HIGH.
TONIGHT..CLEAR. LOW 11.
SUNDAY..MAINLY CLOUDY. HIGH 24. HUMIDEX 26. UV INDEX 6 OR HIGH.
LISTOWEL - MILVERTON - NORTHERN PERTH COUNTY.
TODAY..A MIX OF SUN AND CLOUD. 70 PERCENT CHANCE OF SHOWERS THIS
MORNING THEN 30 PERCENT CHANCE OF SHOWERS EARLY THIS AFTERNOON.
HIGH 24. HUMIDEX 27. UV INDEX 6 OR HIGH.
TONIGHT..CLEAR. BECOMING PARTLY CLOUDY THIS EVENING. LOW 11.
SUNDAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY IN THE AFTERNOON.
HIGH 24. HUMIDEX 26. UV INDEX 6 OR HIGH.
KITCHENER - CAMBRIDGE - REGION OF WATERLOO.
TODAY..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS MORNING AND
EARLY THIS AFTERNOON. HIGH 24. HUMIDEX 27. UV INDEX 6 OR HIGH.
TONIGHT..CLEAR. BECOMING PARTLY CLOUDY LATE THIS EVENING. LOW 11.
SUNDAY..MAINLY CLOUDY. HIGH 24. HUMIDEX 26. UV INDEX 6 OR HIGH.
GUELPH - ERIN - SOUTHERN WELLINGTON COUNTY.
TODAY..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS MORNING AND
EARLY THIS AFTERNOON. HIGH 24. HUMIDEX 27. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY. LOW 11.
SUNDAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON.
HIGH 24. HUMIDEX 26. UV INDEX 6 OR HIGH.
MOUNT FOREST - ARTHUR - NORTHERN WELLINGTON COUNTY.
TODAY..MAINLY CLOUDY. 70 PERCENT CHANCE OF SHOWERS THIS MORNING THEN
30 PERCENT CHANCE OF SHOWERS EARLY THIS AFTERNOON. HIGH 24. HUMIDEX
27. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY. LOW 11.
SUNDAY..INCREASING CLOUDINESS EARLY IN THE MORNING. HIGH 24. HUMIDEX
26. UV INDEX 6 OR HIGH.
ORANGEVILLE - GRAND VALLEY - SOUTHERN DUFFERIN COUNTY.
TODAY..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS MORNING AND
EARLY THIS AFTERNOON. HIGH 24. HUMIDEX 27. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY. LOW 11.
SUNDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE
AFTERNOON. HIGH 24. HUMIDEX 26. UV INDEX 6 OR HIGH.
SHELBURNE - MANSFIELD - NORTHERN DUFFERIN COUNTY.
TODAY..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS MORNING AND
EARLY THIS AFTERNOON. HIGH 23. HUMIDEX 26. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY. LOW 12.
SUNDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE
AFTERNOON. HIGH 22. HUMIDEX 25. UV INDEX 6 OR HIGH.
SAUGEEN SHORES - KINCARDINE - SOUTHERN BRUCE COUNTY.
TODAY..A MIX OF SUN AND CLOUD. 70 PERCENT CHANCE OF SHOWERS THIS
MORNING THEN 30 PERCENT CHANCE OF SHOWERS EARLY THIS AFTERNOON.
CLEARING THIS AFTERNOON. HIGH 23. HUMIDEX 26. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY. LOW 12.
SUNDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE IN
THE MORNING AND IN THE AFTERNOON. HIGH 22. HUMIDEX 25. UV INDEX 6 OR
HIGH.
BRUCE PENINSULA - SAUBLE BEACH - TOBERMORY.
TODAY..A MIX OF SUN AND CLOUD. 40 PERCENT CHANCE OF SHOWERS THIS
MORNING. HIGH 22. HUMIDEX 25. UV INDEX 6 OR HIGH.
TONIGHT..MAINLY CLOUDY. LOW 12.
SUNDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE
AFTERNOON. HIGH 20. UV INDEX 6 OR HIGH.
HANOVER - DUNDALK - SOUTHERN GREY COUNTY.
TODAY..MAINLY CLOUDY. 70 PERCENT CHANCE OF SHOWERS THIS MORNING THEN
30 PERCENT CHANCE OF SHOWERS EARLY THIS AFTERNOON. HIGH 23. HUMIDEX
26. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY. LOW 12.
SUNDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE IN
THE MORNING AND IN THE AFTERNOON. HIGH 22. HUMIDEX 25. UV INDEX 6 OR
HIGH.
OWEN SOUND - BLUE MOUNTAINS - NORTHERN GREY COUNTY.
TODAY..A MIX OF SUN AND CLOUD. 40 PERCENT CHANCE OF SHOWERS THIS
MORNING AND EARLY THIS AFTERNOON. HIGH 23. HUMIDEX 26. UV INDEX 6 OR
HIGH.
TONIGHT..PARTLY CLOUDY. LOW 12.
SUNDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE IN
THE MORNING AND IN THE AFTERNOON. CLEARING LATE IN THE AFTERNOON.
HIGH 22. HUMIDEX 25. UV INDEX 6 OR HIGH.
REMAINDER UNCHANGED.
END
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