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June 15th, 2026 :: 3:04 am EDT   

Local Weather Report for
New Tecumseth
Ontario, Canada

 New Tecumseth Weather Forecast Summary  
 
Today
Jun 15th
Tuesday
Jun 16th
Wednesday
Jun 17th
Thursday
Jun 18th
Friday
Jun 19th
Mostly Sunny Mix of Sun and Cloud Mostly Cloudy with Showers Showers Mix of Sun and Cloud
19°C
22°C
10°C
18°C
13°C
14°C
11°C
19°C
9°C
 
 New Tecumseth Detailed Weather Forecast  
 
Monday, June 15th, 2026
Overnight Temperature: 6°C
Clear. Windy at times.
Morning Temperature: 11°C
Mostly sunny. Windy at times.
Afternoon Temperature: 18°C
Sunny with cloudy periods. Windy at times.
Evening Temperature: 14°C
Clear with cloudy periods. Windy at times.
Tuesday, June 16th, 2026
Overnight Temperature: 11°C
A mix of cloudy and clear skies.
Morning Temperature: 16°C
Mostly sunny. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 22°C
Sunny with cloudy periods. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 15°C
A mix of cloudy and clear skies with a slight chance of showers or thundershowers. Windy at times.
Wednesday, June 17th, 2026
Overnight Temperature: 13°C
Cloudy with showers likely. Windy at times.
Morning Temperature: 16°C
A mix of sun and cloud with showers likely. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 18°C
A mix of cloud and sun with a chance of showers. Windy at times.
Evening Temperature: 14°C
Mostly clear.
Thursday, June 18th, 2026
Overnight Temperature: 13°C
Cloudy with showers likely. Windy at times.
Morning Temperature: 13°C
Mostly cloudy with a few showers. Windy at times.
Afternoon Temperature: 13°C
A mix of cloud and sun with a chance of showers. Windy at times.
Evening Temperature: 11°C
Mostly cloudy.
Friday, June 19th, 2026
Overnight Temperature: 10°C
A mix of cloudy and clear skies.
Morning Temperature: 15°C
A mix of cloud and sun.
Afternoon Temperature: 19°C
Sunny with cloudy periods. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 13°C
Clear.
Saturday, June 20th, 2026
Overnight Temperature: 9°C
Clear. Windy at times.
Morning Temperature: 13°C
Cloudy with sunny periods with a chance of showers. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 16°C
Mostly sunny with a chance of showers. Slight chance of a thunderstorm. Windy.
Evening Temperature: 11°C
Clear with a slight chance of showers. Windy at times.
Sunday, June 21st, 2026
Overnight Temperature: 7°C
Clear. Windy at times.
Morning Temperature: 12°C
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 17°C
Sunny with a slight chance of showers. Windy at times.
Evening Temperature: 12°C
Mostly clear with a slight chance of showers.
Monday, June 22nd, 2026
Overnight Temperature: 9°C
Clear with cloudy periods.
Morning Temperature: 14°C
Sunny.
Afternoon Temperature: 19°C
Sunny with cloudy periods.
Evening Temperature: 14°C
Mostly clear.





 

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This WeatherCity Weather Forecast for New Tecumseth, 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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