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September 6th, 2026 :: 11:42 pm EDT   

Local Weather Report for
Newmarket
Ontario, Canada

 Newmarket Weather Forecast Summary  
 
Today
Sep 6th 		Monday
Sep 7th 		Tuesday
Sep 8th 		Wednesday
Sep 9th 		Thursday
Sep 10th
Sunny Mostly Sunny Mostly Sunny Showers Mostly Sunny
23°C
 25°C
13°C		 23°C
14°C		 21°C
18°C		 24°C
15°C
 
 Newmarket Detailed Weather Forecast  
 
Monday, September 7th, 2026
Overnight Temperature: 13°C
Clear.
Morning Temperature: 18°C
Sunny.
Afternoon Temperature: 25°C
Mostly sunny.
Evening Temperature: 17°C
Clear.
Tuesday, September 8th, 2026
Overnight Temperature: 15°C
Mostly clear.
Morning Temperature: 19°C
Mostly sunny.
Afternoon Temperature: 22°C
A mix of cloud and sun.
Evening Temperature: 17°C
A mix of cloudy and clear skies.
Wednesday, September 9th, 2026
Overnight Temperature: 18°C
Cloudy with a slight chance of showers.
Morning Temperature: 19°C
Cloudy with showers likely. Windy at times.
Afternoon Temperature: 19°C
Cloudy with showers likely. Windy at times.
Evening Temperature: 21°C
A mix of cloudy and clear skies with a chance of showers. Slight chance of a thunderstorm. Windy at times.
Thursday, September 10th, 2026
Overnight Temperature: 18°C
Mostly clear.
Morning Temperature: 20°C
Mostly sunny. Windy at times.
Afternoon Temperature: 23°C
A mix of cloud and sun. Windy.
Evening Temperature: 16°C
Clear with cloudy periods. Windy at times.
Friday, September 11th, 2026
Overnight Temperature: 11°C
Clear.
Morning Temperature: 15°C
Sunny.
Afternoon Temperature: 22°C
Mostly sunny. Windy at times.
Evening Temperature: 15°C
Clear.
Saturday, September 12th, 2026
Overnight Temperature: 14°C
Mostly clear.
Morning Temperature: 19°C
Mostly sunny. Windy at times.
Afternoon Temperature: 26°C
Sunny. Windy at times.
Evening Temperature: 19°C
Mostly clear.
Sunday, September 13th, 2026
Overnight Temperature: 18°C
Mostly clear.
Morning Temperature: 22°C
Sunny. Windy at times.
Afternoon Temperature: 29°C
Mostly sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 23°C
Clear with a slight chance of showers or thundershowers.
Monday, September 14th, 2026
Overnight Temperature: 21°C
Mostly clear with a chance of showers. Windy at times.
Morning Temperature: 23°C
A mix of sun and cloud with a chance of showers or thundershowers. Windy.
Afternoon Temperature: 21°C
Mostly cloudy with showers likely. Slight chance of a thunderstorm. Windy.
Evening Temperature: 15°C
A mix of clear and cloudy skies with a chance of showers. Windy at times.



 

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This WeatherCity Weather Forecast for Newmarket, 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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