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September 18th, 2025 :: 3:21 am EDT   

Local Weather Report for
New Tecumseth
Ontario, Canada

 Current New Tecumseth Weather Conditions Updated September 18th at 2:00 am 
Temperature:54°F Dew Point:52°F
Barometer:n/a Wind:N 4 Mph
Humidity:93.6% Visibility:n/a
 
 New Tecumseth Weather Forecast Summary  
 
Today
Sep 18th
Friday
Sep 19th
Saturday
Sep 20th
Sunday
Sep 21st
Monday
Sep 22nd
Cloudy Mix of Sun and Cloud Cloudy Cloudy Showers
81°F
68°F
46°F
67°F
44°F
75°F
50°F
81°F
63°F
 
 New Tecumseth Detailed Weather Forecast  
 
Thursday, September 18th, 2025
Overnight Temperature: 57°F
Cloudy.
Morning Temperature: 77°F
Cloudy. Slight chance of a thunderstorm.
Afternoon Temperature: 68°F
Sunny with a chance of showers. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 56°F
Clear.
Friday, September 19th, 2025
Overnight Temperature: 50°F
Mostly clear.
Morning Temperature: 63°F
Sunny.
Afternoon Temperature: 61°F
A mix of sun and cloud.
Evening Temperature: 48°F
Clear.
Saturday, September 20th, 2025
Overnight Temperature: 44°F
Clear.
Morning Temperature: 64°F
Sunny. Windy at times.
Afternoon Temperature: 59°F
A mix of sun and cloud. Windy at times.
Evening Temperature: 49°F
Cloudy.
Sunday, September 21st, 2025
Overnight Temperature: 51°F
A mix of cloudy and clear skies. Windy at times.
Morning Temperature: 71°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 69°F
Cloudy with a slight chance of showers. Windy at times.
Evening Temperature: 66°F
Cloudy with a chance of showers. Windy at times.
Monday, September 22nd, 2025
Overnight Temperature: 64°F
Cloudy. Windy at times.
Morning Temperature: 78°F
Cloudy. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 68°F
Cloudy with showers likely.
Evening Temperature: 63°F
A mix of cloudy and clear skies with a chance of showers.
Tuesday, September 23rd, 2025
Overnight Temperature: 63°F
Cloudy with a chance of showers.
Morning Temperature: 74°F
Cloudy with a chance of showers. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 71°F
Cloudy with showers likely. Chance of a thunderstorm.
Evening Temperature: 64°F
Mostly clear with a chance of showers.
Wednesday, September 24th, 2025
Overnight Temperature: 63°F
Clear with cloudy periods with a slight chance of showers.
Morning Temperature: 76°F
Cloudy. Chance of a thunderstorm.
Afternoon Temperature: 73°F
Cloudy with showers likely. Chance of a thunderstorm.
Evening Temperature: 65°F
Cloudy with showers likely.
Thursday, September 25th, 2025
Overnight Temperature: 64°F
A mix of cloudy and clear skies.
Morning Temperature: 71°F
Cloudy. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 71°F
Cloudy. Windy at times.
Evening Temperature: 64°F
Cloudy. Windy at times.
Friday, September 26th, 2025
Overnight Temperature: 62°F
Cloudy with a chance of showers. Windy at times.
Morning Temperature: 71°F
Cloudy with a chance of showers or thundershowers. Windy at times.
Afternoon Temperature: 66°F
Cloudy with a chance of showers or thundershowers. Windy at times.
Evening Temperature: 59°F
A mix of cloudy and clear skies with showers likely.





 

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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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