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February 18th, 2026 :: 3:18 am EST   

Local Weather Report for
Marathon
Ontario, Canada

 Marathon Weather Forecast Summary  
 
Today
Feb 18th 		Thursday
Feb 19th 		Friday
Feb 20th 		Saturday
Feb 21st 		Sunday
Feb 22nd
Cloudy Cloudy Flurries Cloudy Cloudy
-6°C
 -4°C
-9°C		 -4°C
-10°C		 -6°C
-13°C		 -10°C
-19°C
 
 Marathon Detailed Weather Forecast  
 
Wednesday, February 18th, 2026
Overnight Temperature: -10°C
Cloudy. Windy.
Morning Temperature: -7°C
Cloudy. Windy.
Afternoon Temperature: -6°C
Cloudy with a slight chance of flurries. Windy.
Evening Temperature: -7°C
Cloudy with a chance of flurries. Windy at times.
Thursday, February 19th, 2026
Overnight Temperature: -9°C
Cloudy with a chance of flurries. Windy at times.
Morning Temperature: -6°C
Cloudy with a chance of flurries. Windy at times.
Afternoon Temperature: -5°C
Cloudy with a chance of flurries. Windy at times.
Evening Temperature: -5°C
Cloudy with a chance of flurries. Windy at times.
Friday, February 20th, 2026
Overnight Temperature: -6°C
Cloudy with flurries likely. Windy.
Morning Temperature: -6°C
Cloudy with flurries likely. Windy.
Afternoon Temperature: -5°C
Cloudy with a few flurries. Windy at times.
Evening Temperature: -9°C
Cloudy. Windy at times.
Saturday, February 21st, 2026
Overnight Temperature: -13°C
Cloudy.
Morning Temperature: -10°C
Cloudy with a chance of flurries.
Afternoon Temperature: -7°C
Cloudy with a chance of flurries.
Evening Temperature: -10°C
Cloudy with a chance of flurries.
Sunday, February 22nd, 2026
Overnight Temperature: -11°C
Cloudy.
Morning Temperature: -10°C
Cloudy with a chance of flurries. Windy at times.
Afternoon Temperature: -12°C
Cloudy with a chance of flurries. Windy at times.
Evening Temperature: -17°C
Cloudy. Windy at times.
Monday, February 23rd, 2026
Overnight Temperature: -24°C
Cloudy. Windy at times.
Morning Temperature: -21°C
Cloudy. Windy at times.
Afternoon Temperature: -19°C
Cloudy. Windy at times.
Evening Temperature: -29°C
A mix of cloudy and clear skies.
Tuesday, February 24th, 2026
Overnight Temperature: -33°C
A mix of cloudy and clear skies.
Morning Temperature: -21°C
Cloudy.
Afternoon Temperature: -16°C
Cloudy.
Evening Temperature: -19°C
Mostly cloudy.
Wednesday, February 25th, 2026
Overnight Temperature: -21°C
Cloudy. Windy at times.
Morning Temperature: -17°C
Cloudy. Windy at times.
Afternoon Temperature: -15°C
Cloudy. Windy at times.
Evening Temperature: -21°C
A mix of clear and cloudy skies.



 

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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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