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May 9th, 2025 :: 10:33 am EDT   

Local Weather Report for
St Thomas
Ontario, Canada

 St Thomas Weather Forecast Summary  
 
Today
May 9th 		Saturday
May 10th 		Sunday
May 11th 		Monday
May 12th 		Tuesday
May 13th
Sunny Cloudy Sunny Cloudy Cloudy
15°C
 18°C
4°C		 17°C
4°C		 22°C
6°C		 21°C
13°C
 
 St Thomas Detailed Weather Forecast  
 
Friday, May 9th, 2025
Morning Temperature: 14°C
Sunny. Windy at times.
Afternoon Temperature: 13°C
Sunny. Windy at times.
Evening Temperature: 4°C
Clear.
Saturday, May 10th, 2025
Overnight Temperature: 6°C
Clear.
Morning Temperature: 16°C
Cloudy. Windy at times.
Afternoon Temperature: 13°C
Cloudy. Windy at times.
Evening Temperature: 8°C
Clear.
Sunday, May 11th, 2025
Overnight Temperature: 6°C
Clear. Windy at times.
Morning Temperature: 14°C
Sunny.
Afternoon Temperature: 14°C
Sunny. Windy at times.
Evening Temperature: 7°C
Clear.
Monday, May 12th, 2025
Overnight Temperature: 8°C
Clear.
Morning Temperature: 20°C
Cloudy.
Afternoon Temperature: 20°C
Cloudy. Windy at times.
Evening Temperature: 14°C
Cloudy.
Tuesday, May 13th, 2025
Overnight Temperature: 14°C
Cloudy with a slight chance of showers.
Morning Temperature: 19°C
Cloudy. Windy at times.
Afternoon Temperature: 19°C
Cloudy. Windy at times.
Evening Temperature: 14°C
Cloudy.
Wednesday, May 14th, 2025
Overnight Temperature: 15°C
Cloudy with a chance of showers.
Morning Temperature: 21°C
Cloudy. Slight chance of a thunderstorm.
Afternoon Temperature: 21°C
Cloudy. Slight chance of a thunderstorm.
Evening Temperature: 15°C
A mix of cloudy and clear skies.
Thursday, May 15th, 2025
Overnight Temperature: 16°C
A mix of cloudy and clear skies.
Morning Temperature: 24°C
Sunny with cloudy periods. Slight chance of a thunderstorm.
Afternoon Temperature: 23°C
A mix of cloud and sun. Slight chance of a thunderstorm.
Evening Temperature: 16°C
A mix of cloudy and clear skies.
Friday, May 16th, 2025
Overnight Temperature: 16°C
Cloudy. Windy at times.
Morning Temperature: 24°C
Sunny. Chance of a thunderstorm. Windy.
Afternoon Temperature: 24°C
Sunny with a chance of showers or thundershowers. Windy at times.
Evening Temperature: 17°C
Clear with showers likely. Slight chance of a thunderstorm. Windy at times.
Saturday, May 17th, 2025
Overnight Temperature: 13°C
A mix of cloudy and clear skies.
Morning Temperature: 19°C
Sunny. Windy at times.
Afternoon Temperature: 16°C
Sunny. Windy at times.
Evening Temperature: 8°C
Clear.



 

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This WeatherCity Weather Forecast for St 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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