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September 12th, 2025 :: 5:52 am EDT   

Local Weather Report for
Marathon
Florida, United States

 Marathon Weather Forecast Summary  
 
Today
Sep 12th
Saturday
Sep 13th
Sunday
Sep 14th
Monday
Sep 15th
Tuesday
Sep 16th
Thundershowers Thundershowers Cloudy Cloudy Thundershowers
85°F
82°F
80°F
83°F
81°F
85°F
83°F
84°F
84°F
 
 Marathon Detailed Weather Forecast  
 
Friday, September 12th, 2025
Morning Temperature: 84°F
Cloudy with showers likely. Chance of a thunderstorm.
Afternoon Temperature: 85°F
Cloudy with a chance of showers or thundershowers.
Evening Temperature: 83°F
Cloudy with a few showers. Chance of a thunderstorm. Windy at times.
Saturday, September 13th, 2025
Overnight Temperature: 82°F
Cloudy with showers likely. Chance of a thunderstorm. Windy at times.
Morning Temperature: 82°F
Cloudy with a few showers. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 80°F
Cloudy with showers likely. Chance of a thunderstorm. Windy at times.
Evening Temperature: 81°F
A mix of cloudy and clear skies with a chance of showers or thundershowers.
Sunday, September 14th, 2025
Overnight Temperature: 82°F
Clear with a chance of showers or thundershowers.
Morning Temperature: 82°F
A mix of cloud and sun. Chance of a thunderstorm.
Afternoon Temperature: 83°F
Cloudy. Chance of a thunderstorm.
Evening Temperature: 83°F
Cloudy. Chance of a thunderstorm.
Monday, September 15th, 2025
Overnight Temperature: 83°F
Cloudy with a chance of showers or thundershowers. Windy at times.
Morning Temperature: 84°F
Cloudy with a slight chance of showers or thundershowers.
Afternoon Temperature: 85°F
Cloudy. Chance of a thunderstorm. Windy at times.
Evening Temperature: 85°F
A mix of cloudy and clear skies with a chance of showers or thundershowers. Windy at times.
Tuesday, September 16th, 2025
Overnight Temperature: 84°F
Clear with cloudy periods with a chance of showers or thundershowers. Windy at times.
Morning Temperature: 84°F
Sunny with showers likely. Chance of a thunderstorm. Windy.
Afternoon Temperature: 84°F
Cloudy with showers likely. Chance of a thunderstorm. Windy.
Evening Temperature: 84°F
A mix of cloudy and clear skies with a few showers. Chance of a thunderstorm. Windy.
Wednesday, September 17th, 2025
Overnight Temperature: 84°F
Cloudy with showers likely. Chance of a thunderstorm. Windy.
Morning Temperature: 81°F
Cloudy with a few showers. Chance of a thunderstorm. Windy.
Afternoon Temperature: 81°F
Cloudy with showers likely. Chance of a thunderstorm. Windy.
Evening Temperature: 81°F
Cloudy with showers likely. Chance of a thunderstorm. Wind 20 to 30 mph.
Thursday, September 18th, 2025
Overnight Temperature: 81°F
Cloudy with showers likely. Chance of a thunderstorm. Wind 20 to 30 mph.
Morning Temperature: 83°F
Cloudy with showers. Chance of a thunderstorm. Wind 20 to 30 mph.
Afternoon Temperature: 84°F
Cloudy with a few showers. Chance of a thunderstorm. Wind 20 to 30 mph.
Evening Temperature: 83°F
Cloudy with showers. Chance of a thunderstorm. Windy.
Friday, September 19th, 2025
Overnight Temperature: 84°F
A mix of cloudy and clear skies with a few showers. Chance of a thunderstorm. Windy.
Morning Temperature: 84°F
Cloudy with a few showers. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 84°F
Cloudy with showers likely. Chance of a thunderstorm. Windy at times.
Evening Temperature: 84°F
Cloudy with a few showers. Chance of a thunderstorm. Windy at times.
Saturday, September 20th, 2025
Overnight Temperature: 85°F
Cloudy with a chance of showers or thundershowers. Windy.
Morning Temperature: 85°F
Mostly sunny with a chance of showers or thundershowers. Windy.
Afternoon Temperature: 85°F
Cloudy. Chance of a thunderstorm. Windy at times.
Evening Temperature: 85°F
Cloudy. Chance of a thunderstorm. Windy at times.





 

  [ Local Weather Report ]
Key Colony Beach, FL 
 
Plantation, FL 
 
Key West, FL 
4:53 AM  82°F
 
 
Florida City, FL 
 
Homestead, FL 
 
South Miami, FL 
4:53 AM  79°F
Partly Clear
 
Sweetwater, FL 
4:53 AM  79°F
Partly Clear
 
Coral Gables, FL 
4:53 AM  79°F
Partly Clear
 
Miami, FL 
4:53 AM  79°F
Partly Clear
 
West Miami, FL 
4:53 AM  79°F
Partly Clear

This WeatherCity Weather Forecast for Marathon, Florida, United States 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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