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July 21st, 2026 :: 4:15 am EDT   

Local Weather Report for
Marathon
Florida, United States

 Current Marathon Weather Conditions Updated July 21st at 2:53 am 
Mostly Clear
Temperature:84°F Dew Point:77°F
Barometer:29.98 inHg Wind:N 17 Mph
Humidity:79.1% Visibility:0M
 
 Marathon Weather Forecast Summary  
 
Today
Jul 21st
Wednesday
Jul 22nd
Thursday
Jul 23rd
Friday
Jul 24th
Saturday
Jul 25th
Mostly Sunny Mostly Sunny Mostly Sunny Mostly Sunny Sunny
85°F
85°F
84°F
86°F
84°F
86°F
84°F
85°F
84°F
 
 Marathon Detailed Weather Forecast  
 
Tuesday, July 21st, 2026
Overnight Temperature: 84°F
Clear with a slight chance of showers or thundershowers. Windy.
Morning Temperature: 84°F
Sunny. Chance of a thunderstorm. Windy.
Afternoon Temperature: 85°F
Mostly sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 85°F
Mostly clear. Chance of a thunderstorm. Windy.
Wednesday, July 22nd, 2026
Overnight Temperature: 85°F
Clear. Chance of a thunderstorm. Windy.
Morning Temperature: 85°F
Sunny with cloudy periods. Chance of a thunderstorm. Windy.
Afternoon Temperature: 85°F
Sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 85°F
Mostly clear. Chance of a thunderstorm. Windy.
Thursday, July 23rd, 2026
Overnight Temperature: 85°F
Mostly clear. Chance of a thunderstorm. Windy.
Morning Temperature: 85°F
Sunny. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 85°F
Sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 86°F
Clear. Chance of a thunderstorm. Windy.
Friday, July 24th, 2026
Overnight Temperature: 85°F
Mostly clear with a chance of showers or thundershowers. Windy.
Morning Temperature: 84°F
Sunny with a chance of showers or thundershowers. Windy at times.
Afternoon Temperature: 85°F
Sunny with a slight chance of showers or thundershowers. Windy at times.
Evening Temperature: 85°F
Clear. Chance of a thunderstorm. Windy at times.
Saturday, July 25th, 2026
Overnight Temperature: 84°F
Clear. Chance of a thunderstorm. Windy at times.
Morning Temperature: 84°F
Sunny. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 85°F
Sunny. Chance of a thunderstorm.
Evening Temperature: 85°F
Clear with a slight chance of showers or thundershowers.
Sunday, July 26th, 2026
Overnight Temperature: 84°F
Mostly clear with a chance of showers or thundershowers. Windy at times.
Morning Temperature: 84°F
Sunny with a slight chance of showers or thundershowers.
Afternoon Temperature: 85°F
Mostly sunny. Chance of a thunderstorm.
Evening Temperature: 85°F
Mostly clear. Chance of a thunderstorm.
Monday, July 27th, 2026
Overnight Temperature: 84°F
Mostly clear with a slight chance of showers or thundershowers.
Morning Temperature: 84°F
A mix of cloud and sun with a slight chance of showers or thundershowers.
Afternoon Temperature: 85°F
A mix of cloud and sun. Chance of a thunderstorm.
Evening Temperature: 85°F
A mix of clear and cloudy skies. Chance of a thunderstorm.
Tuesday, July 28th, 2026
Overnight Temperature: 84°F
Mostly clear with a slight chance of showers or thundershowers. Windy at times.
Morning Temperature: 84°F
Mostly sunny with a chance of showers or thundershowers. Windy at times.
Afternoon Temperature: 85°F
Mostly sunny. Chance of a thunderstorm.
Evening Temperature: 85°F
Mostly clear. Chance of a thunderstorm. Windy at times.
Wednesday, July 29th, 2026
Overnight Temperature: 84°F
Mostly clear. Chance of a thunderstorm. Windy at times.
Morning Temperature: 84°F
Mostly sunny. Chance of a thunderstorm.
Afternoon Temperature: 84°F
Mostly sunny. Chance of a thunderstorm.
Evening Temperature: 85°F
Mostly clear. Chance of a thunderstorm.





 

  [ Local Weather Report ]
Key Colony Beach, FL 
2:53 AM  84°F
Mostly Clear
 
Plantation, FL 
 
Key West, FL 
2:53 AM  84°F
Mostly Clear
 
Florida City, FL 
 
Homestead, FL 
2:55 AM  81°F
 
 
South Miami, FL 
2:53 AM  82°F
Partly Clear
 
Sweetwater, FL 
2:53 AM  82°F
Partly Clear
 
Coral Gables, FL 
2:53 AM  82°F
Partly Clear
 
Miami, FL 
2:53 AM  82°F
Partly Clear
 
West Miami, FL 
2:53 AM  82°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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