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January 10th, 2026 :: 4:59 pm EST   

Local Weather Report for
St Thomas
Ontario, Canada

 St Thomas Weather Forecast Summary  
 
Today
Jan 10th
Sunday
Jan 11th
Monday
Jan 12th
Tuesday
Jan 13th
Wednesday
Jan 14th
Mix of rain and snow Cloudy Cloudy Mix of rain and snow Cloudy
3°C
-2°C
-3°C
1°C
-3°C
3°C
-2°C
1°C
-9°C
 
 St Thomas Detailed Weather Forecast  
 
Saturday, January 10th, 2026
Evening Temperature: 0°C
Clear with cloudy periods with a slight chance of flurries or showers. Windy.
Sunday, January 11th, 2026
Overnight Temperature: -2°C
A mix of cloudy and clear skies. Windy.
Morning Temperature: -2°C
Cloudy with a chance of flurries. Windy.
Afternoon Temperature: -3°C
A mix of cloud and sun with a chance of flurries. Wind 30 to 50 km/h.
Evening Temperature: -3°C
Cloudy. Windy at times.
Monday, January 12th, 2026
Overnight Temperature: -3°C
Clear with cloudy periods. Windy at times.
Morning Temperature: -1°C
Cloudy. Windy.
Afternoon Temperature: 0°C
Sunny with cloudy periods. Windy.
Evening Temperature: -1°C
Cloudy. Windy at times.
Tuesday, January 13th, 2026
Overnight Temperature: -2°C
Cloudy.
Morning Temperature: 1°C
Cloudy. Windy.
Afternoon Temperature: 2°C
Cloudy with showers or wet flurries likely. Windy.
Evening Temperature: 2°C
Cloudy with showers likely. Showers possibly mixed with wet flurries. Windy.
Wednesday, January 14th, 2026
Overnight Temperature: 1°C
Cloudy with a chance of flurries or showers. Windy at times.
Morning Temperature: 1°C
Cloudy with a chance of flurries or showers. Risk of freezing rain. Windy at times.
Afternoon Temperature: -2°C
Cloudy. Windy at times.
Evening Temperature: -8°C
Cloudy. Windy.
Thursday, January 15th, 2026
Overnight Temperature: -12°C
Cloudy. Windy.
Morning Temperature: -11°C
Sunny with cloudy periods. Windy.
Afternoon Temperature: -10°C
Cloudy. Windy.
Evening Temperature: -10°C
Mostly clear. Windy at times.
Friday, January 16th, 2026
Overnight Temperature: -11°C
Clear. Windy at times.
Morning Temperature: -7°C
Sunny.
Afternoon Temperature: -4°C
Cloudy.
Evening Temperature: -4°C
Cloudy. Windy at times.
Saturday, January 17th, 2026
Overnight Temperature: -3°C
Cloudy with clear periods with a slight chance of flurries. Windy at times.
Morning Temperature: -1°C
Cloudy. Windy.
Afternoon Temperature: -2°C
Cloudy with a chance of flurries. Windy.
Evening Temperature: -6°C
Cloudy with a chance of flurries. Windy.
Sunday, January 18th, 2026
Overnight Temperature: -8°C
Cloudy. Windy.
Morning Temperature: -6°C
Cloudy with a chance of flurries. Wind 30 to 50 km/h.
Afternoon Temperature: -4°C
Cloudy with flurries likely. Wind 30 to 50 km/h.
Evening Temperature: -8°C
Cloudy with a chance of flurries. Windy.





 

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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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