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July 18th, 2026 :: 2:06 am EDT   

Local Weather Report for
Marathon
Florida, United States

 Current Marathon Weather Conditions Updated July 18th at 12:53 am 
Temperature:84°F Dew Point:75°F
Barometer:30.06 inHg Wind:N 9 Mph
Humidity:74.5% Visibility:0M
 
 Marathon Weather Forecast Summary  
 
Today
Jul 18th
Sunday
Jul 19th
Monday
Jul 20th
Tuesday
Jul 21st
Wednesday
Jul 22nd
Mostly Sunny Mostly Sunny Mostly Sunny Mostly Sunny Mostly Sunny
85°F
84°F
84°F
84°F
84°F
85°F
84°F
85°F
84°F
 
 Marathon Detailed Weather Forecast  
 
Saturday, July 18th, 2026
Overnight Temperature: 84°F
Mostly 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. Windy at times.
Evening Temperature: 84°F
Clear. Chance of a thunderstorm. Windy at times.
Sunday, July 19th, 2026
Overnight Temperature: 84°F
Clear. Chance of a thunderstorm. Windy.
Morning Temperature: 84°F
Sunny. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 84°F
Sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 84°F
Mostly clear. Chance of a thunderstorm. Windy at times.
Monday, July 20th, 2026
Overnight Temperature: 84°F
Clear. Chance of a thunderstorm. Windy at times.
Morning Temperature: 84°F
Mostly sunny. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 84°F
Sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 84°F
Clear. Chance of a thunderstorm. Windy at times.
Tuesday, July 21st, 2026
Overnight Temperature: 84°F
Mostly clear. Chance of a thunderstorm. Windy.
Morning Temperature: 84°F
Sunny. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 85°F
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: 84°F
Mostly clear. Chance of a thunderstorm. Windy.
Morning Temperature: 84°F
Mostly sunny. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 85°F
Mostly sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 84°F
Clear. Chance of a thunderstorm. Windy at times.
Thursday, July 23rd, 2026
Overnight Temperature: 84°F
Mostly clear. Chance of a thunderstorm. Windy at times.
Morning Temperature: 84°F
Mostly sunny. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 85°F
Mostly sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 85°F
Mostly clear. Chance of a thunderstorm. Windy at times.
Friday, July 24th, 2026
Overnight Temperature: 84°F
A mix of cloudy and clear skies with a chance of showers or thundershowers. Windy at times.
Morning Temperature: 83°F
Mostly sunny with a chance of showers or thundershowers. Windy at times.
Afternoon Temperature: 84°F
Sunny with cloudy periods with a chance of showers or thundershowers.
Evening Temperature: 84°F
Mostly clear with showers likely. Chance of a thunderstorm. Windy at times.
Saturday, July 25th, 2026
Overnight Temperature: 84°F
Clear with a chance of showers or thundershowers. Windy at times.
Morning Temperature: 84°F
Sunny. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 84°F
Sunny. Chance of a thunderstorm.
Evening Temperature: 85°F
Clear. Chance of a thunderstorm. Windy at times.





 

  [ Local Weather Report ]
Key Colony Beach, FL 
12:53 AM  84°F
 
 
Plantation, FL 
 
Key West, FL 
12:53 AM  86°F
Overcast
 
Florida City, FL 
 
Homestead, FL 
12:55 AM  81°F
 
 
South Miami, FL 
12:53 AM  82°F
Mostly Cloudy
 
Sweetwater, FL 
12:53 AM  82°F
Mostly Cloudy
 
Coral Gables, FL 
12:53 AM  82°F
Mostly Cloudy
 
Miami, FL 
12:53 AM  82°F
Mostly Cloudy
 
West Miami, FL 
12:53 AM  82°F
Mostly Cloudy

 
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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