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February 20th, 2026 :: 2:40 am EST   

Local Weather Report for
Marathon
Ontario, Canada

 Marathon Weather Forecast Summary  
 
Today
Feb 20th
Saturday
Feb 21st
Sunday
Feb 22nd
Monday
Feb 23rd
Tuesday
Feb 24th
Cloudy Cloudy Cloudy Cloudy Flurries
0°C
-4°C
-13°C
-7°C
-18°C
-14°C
-22°C
-10°C
-21°C
 
 Marathon Detailed Weather Forecast  
 
Friday, February 20th, 2026
Overnight Temperature: -2°C
Cloudy with a chance of flurries or showers. Windy at times.
Morning Temperature: -2°C
Cloudy. Windy at times.
Afternoon Temperature: -1°C
Cloudy with a slight chance of flurries or showers. Windy at times.
Evening Temperature: -5°C
Cloudy. Windy at times.
Saturday, February 21st, 2026
Overnight Temperature: -11°C
Cloudy.
Morning Temperature: -7°C
Cloudy.
Afternoon Temperature: -6°C
Cloudy.
Evening Temperature: -12°C
Cloudy.
Sunday, February 22nd, 2026
Overnight Temperature: -17°C
Cloudy.
Morning Temperature: -10°C
Cloudy. Windy at times.
Afternoon Temperature: -9°C
Cloudy. Windy at times.
Evening Temperature: -14°C
Cloudy. Windy at times.
Monday, February 23rd, 2026
Overnight Temperature: -19°C
Cloudy. Windy at times.
Morning Temperature: -18°C
Cloudy. Windy at times.
Afternoon Temperature: -17°C
Cloudy. Windy at times.
Evening Temperature: -22°C
Cloudy.
Tuesday, February 24th, 2026
Overnight Temperature: -20°C
Cloudy with a slight chance of flurries.
Morning Temperature: -15°C
Cloudy with flurries likely.
Afternoon Temperature: -11°C
Cloudy with a chance of flurries.
Evening Temperature: -16°C
Mostly cloudy.
Wednesday, February 25th, 2026
Overnight Temperature: -19°C
Cloudy with clear periods.
Morning Temperature: -12°C
Cloudy.
Afternoon Temperature: -12°C
Cloudy.
Evening Temperature: -22°C
A mix of cloudy and clear skies.
Thursday, February 26th, 2026
Overnight Temperature: -25°C
A mix of cloudy and clear skies.
Morning Temperature: -10°C
Sunny with cloudy periods.
Afternoon Temperature: -12°C
Sunny with cloudy periods.
Evening Temperature: -18°C
Clear with cloudy periods.
Friday, February 27th, 2026
Overnight Temperature: -14°C
A mix of cloudy and clear skies.
Morning Temperature: -5°C
Cloudy. Windy at times.
Afternoon Temperature: -3°C
Cloudy. Windy at times.
Evening Temperature: -2°C
Cloudy. Windy at times.
Saturday, February 28th, 2026
Overnight Temperature: -1°C
Cloudy with a slight chance of flurries. Windy at times.
Morning Temperature: 0°C
Cloudy with a chance of flurries. Windy.
Afternoon Temperature: -7°C
Sunny with cloudy periods with a slight chance of flurries. Windy at times.
Evening Temperature: -15°C
Cloudy. Windy at times.





 

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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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