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January 17th, 2026 :: 10:25 pm EST   

Local Weather Report for
Marathon
Florida, United States

 Marathon Weather Forecast Summary  
 
Today
Jan 17th
Sunday
Jan 18th
Monday
Jan 19th
Tuesday
Jan 20th
Wednesday
Jan 21st
Cloudy Cloudy Cloudy Cloudy Cloudy
72°F
72°F
64°F
67°F
56°F
70°F
64°F
73°F
70°F
 
 Marathon Detailed Weather Forecast  
 
Sunday, January 18th, 2026
Overnight Temperature: 71°F
Cloudy.
Morning Temperature: 72°F
Cloudy with a chance of showers. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 69°F
Cloudy with a slight chance of showers. Windy.
Evening Temperature: 65°F
Cloudy. Wind 20 to 30 mph.
Monday, January 19th, 2026
Overnight Temperature: 59°F
A mix of cloudy and clear skies. Wind 20 to 30 mph.
Morning Temperature: 58°F
Cloudy. Windy.
Afternoon Temperature: 66°F
Cloudy. Windy.
Evening Temperature: 66°F
Cloudy. Wind 20 to 30 mph.
Tuesday, January 20th, 2026
Overnight Temperature: 65°F
Cloudy. Wind 20 to 30 mph.
Morning Temperature: 66°F
Sunny. Wind 20 to 30 mph.
Afternoon Temperature: 69°F
Sunny with cloudy periods. Wind 20 to 30 mph.
Evening Temperature: 70°F
Cloudy. Wind 20 to 30 mph.
Wednesday, January 21st, 2026
Overnight Temperature: 70°F
Cloudy with a slight chance of showers. Wind 20 to 30 mph.
Morning Temperature: 71°F
Cloudy. Wind 20 to 30 mph.
Afternoon Temperature: 72°F
Sunny with cloudy periods. Wind 20 to 30 mph.
Evening Temperature: 73°F
A mix of cloudy and clear skies with a slight chance of showers or thundershowers. Windy.
Thursday, January 22nd, 2026
Overnight Temperature: 74°F
Clear with cloudy periods with a chance of showers. Slight chance of a thunderstorm. Windy at times.
Morning Temperature: 74°F
A mix of cloud and sun. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 75°F
Sunny with cloudy periods. Chance of a thunderstorm. Windy at times.
Evening Temperature: 74°F
Clear. Chance of a thunderstorm. Windy at times.
Friday, January 23rd, 2026
Overnight Temperature: 72°F
Clear. Chance of a thunderstorm. Windy at times.
Morning Temperature: 73°F
Sunny. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 74°F
Sunny with a slight chance of showers or thundershowers. Windy at times.
Evening Temperature: 73°F
Clear. Chance of a thunderstorm. Windy at times.
Saturday, January 24th, 2026
Overnight Temperature: 73°F
A mix of cloudy and clear skies. Chance of a thunderstorm. Windy at times.
Morning Temperature: 74°F
Sunny. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 74°F
Sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 73°F
Clear. Windy at times.
Sunday, January 25th, 2026
Overnight Temperature: 73°F
Clear. Slight chance of a thunderstorm. Windy at times.
Morning Temperature: 74°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 75°F
Sunny with cloudy periods. Windy at times.
Evening Temperature: 73°F
Clear. Slight chance of a thunderstorm. Windy at times.





 

  [ Local Weather Report ]
Key Colony Beach, FL 
 
Plantation, FL 
 
Key West, FL 
8:53 PM  70°F
 
 
Florida City, FL 
 
Homestead, FL 
8:57 PM  70°F
Mostly Cloudy
 
South Miami, FL 
8:53 PM  73°F
Partly Clear
 
Sweetwater, FL 
8:53 PM  73°F
Partly Clear
 
Coral Gables, FL 
8:53 PM  73°F
Partly Clear
 
Miami, FL 
8:53 PM  73°F
Partly Clear
 
West Miami, FL 
8:53 PM  73°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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