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September 9th, 2025 :: 5:53 pm EDT   

Local Weather Report for
Saint Thomas
Ontario, Canada

 Saint Thomas Weather Forecast Summary  
 
Today
Sep 9th
Wednesday
Sep 10th
Thursday
Sep 11th
Friday
Sep 12th
Saturday
Sep 13th
Mix of Cloud and Sun Cloudy Mostly Sunny Cloudy Cloudy
24°C
28°C
12°C
28°C
12°C
28°C
12°C
29°C
13°C
 
 Saint Thomas Detailed Weather Forecast  
 
Tuesday, September 9th, 2025
Evening Temperature: 12°C
A mix of cloudy and clear skies.
Wednesday, September 10th, 2025
Overnight Temperature: 13°C
A mix of cloudy and clear skies.
Morning Temperature: 26°C
Sunny. Windy at times.
Afternoon Temperature: 23°C
Sunny. Windy at times.
Evening Temperature: 14°C
Cloudy.
Thursday, September 11th, 2025
Overnight Temperature: 13°C
Clear.
Morning Temperature: 27°C
Sunny with cloudy periods.
Afternoon Temperature: 23°C
Sunny with cloudy periods. Windy at times.
Evening Temperature: 14°C
Clear. Windy at times.
Friday, September 12th, 2025
Overnight Temperature: 12°C
Mostly clear.
Morning Temperature: 25°C
A mix of cloud and sun.
Afternoon Temperature: 23°C
Cloudy.
Evening Temperature: 13°C
Clear with cloudy periods.
Saturday, September 13th, 2025
Overnight Temperature: 14°C
A mix of cloudy and clear skies.
Morning Temperature: 28°C
A mix of cloud and sun. Windy.
Afternoon Temperature: 24°C
Cloudy with a chance of showers. Windy.
Evening Temperature: 17°C
Cloudy with a chance of showers.
Sunday, September 14th, 2025
Overnight Temperature: 16°C
Cloudy.
Morning Temperature: 22°C
Sunny with cloudy periods with a chance of showers. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 17°C
Cloudy with a chance of showers. Windy at times.
Evening Temperature: 9°C
Clear. Windy at times.
Monday, September 15th, 2025
Overnight Temperature: 9°C
Clear with cloudy periods.
Morning Temperature: 19°C
Cloudy. Windy at times.
Afternoon Temperature: 20°C
Cloudy. Windy at times.
Evening Temperature: 16°C
Cloudy.
Tuesday, September 16th, 2025
Overnight Temperature: 14°C
Clear with cloudy periods.
Morning Temperature: 21°C
Cloudy.
Afternoon Temperature: 21°C
Cloudy.
Evening Temperature: 14°C
Clear with cloudy periods.





 

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This WeatherCity Weather Forecast for Saint Thomas, Ontario, Canada is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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