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December 30th, 2025 :: 6:34 am EST   

Local Weather Report for
Marathon
Ontario, Canada

 Marathon Weather Forecast Summary  
 
Today
Dec 30th 		Wednesday
Dec 31st 		Thursday
Jan 1st 		Friday
Jan 2nd 		Saturday
Jan 3rd
Cloudy Cloudy Cloudy Cloudy Cloudy
-16°C
 -18°C
-27°C		 -17°C
-24°C		 -17°C
-27°C		 -18°C
-29°C
 
 Marathon Detailed Weather Forecast  
 
Tuesday, December 30th, 2025
Morning Temperature: -19°C
Sunny with cloudy periods.
Afternoon Temperature: -19°C
Cloudy.
Evening Temperature: -25°C
Clear with cloudy periods.
Wednesday, December 31st, 2025
Overnight Temperature: -25°C
Cloudy.
Morning Temperature: -19°C
Cloudy. Windy at times.
Afternoon Temperature: -20°C
Cloudy. Windy at times.
Evening Temperature: -26°C
Mostly clear.
Thursday, January 1st, 2026
Overnight Temperature: -22°C
Clear with cloudy periods.
Morning Temperature: -18°C
Cloudy. Windy at times.
Afternoon Temperature: -17°C
A mix of cloud and sun. Windy at times.
Evening Temperature: -19°C
A mix of cloudy and clear skies. Windy at times.
Friday, January 2nd, 2026
Overnight Temperature: -20°C
Cloudy.
Morning Temperature: -18°C
Cloudy with a chance of flurries.
Afternoon Temperature: -17°C
Cloudy with a slight chance of flurries.
Evening Temperature: -24°C
Clear with cloudy periods with a slight chance of flurries.
Saturday, January 3rd, 2026
Overnight Temperature: -28°C
Clear with cloudy periods.
Morning Temperature: -20°C
Cloudy. Windy at times.
Afternoon Temperature: -22°C
A mix of cloud and sun.
Evening Temperature: -28°C
Clear with cloudy periods.
Sunday, January 4th, 2026
Overnight Temperature: -26°C
Cloudy.
Morning Temperature: -13°C
A mix of cloud and sun. Windy at times.
Afternoon Temperature: -11°C
A mix of cloud and sun. Windy at times.
Evening Temperature: -16°C
Clear.
Monday, January 5th, 2026
Overnight Temperature: -19°C
Mostly clear.
Morning Temperature: -14°C
Cloudy.
Afternoon Temperature: -16°C
A mix of cloud and sun.
Evening Temperature: -25°C
A mix of cloudy and clear skies.
Tuesday, January 6th, 2026
Overnight Temperature: -28°C
Clear with cloudy periods.
Morning Temperature: -15°C
A mix of cloud and sun.
Afternoon Temperature: -13°C
A mix of cloud and sun.
Evening Temperature: -11°C
Cloudy.
Wednesday, January 7th, 2026
Overnight Temperature: -4°C
Cloudy. Windy at times.
Morning Temperature: -2°C
Cloudy. Windy at times.
Afternoon Temperature: -2°C
Cloudy with a slight chance of flurries.
Evening Temperature: -3°C
Cloudy with a slight chance of flurries.



 

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This WeatherCity Weather Forecast for Marathon, 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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