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January 18th, 2026 :: 11:01 pm EST   

Local Weather Report for
Marathon
Florida, United States

 Current Marathon Weather Conditions Updated January 18th at 9:53 pm 
Temperature:64°F Dew Point:54°F
Barometer:30.09 inHg Wind:N 24 Mph
Humidity:67.9% Visibility:0M
 
 Marathon Weather Forecast Summary  
 
Today
Jan 18th
Monday
Jan 19th
Tuesday
Jan 20th
Wednesday
Jan 21st
Thursday
Jan 22nd
Thundershowers Cloudy Cloudy Cloudy Cloudy
74°F
66°F
55°F
69°F
64°F
72°F
70°F
73°F
72°F
 
 Marathon Detailed Weather Forecast  
 
Monday, January 19th, 2026
Overnight Temperature: 60°F
Cloudy. Wind 20 to 30 mph.
Morning Temperature: 56°F
Cloudy. Windy.
Afternoon Temperature: 64°F
Cloudy. Windy.
Evening Temperature: 65°F
Cloudy. Windy.
Tuesday, January 20th, 2026
Overnight Temperature: 65°F
Cloudy. Wind 20 to 30 mph.
Morning Temperature: 67°F
Cloudy. Wind 20 to 30 mph.
Afternoon Temperature: 69°F
Sunny. Wind 20 to 30 mph.
Evening Temperature: 69°F
Clear. Wind 20 to 30 mph.
Wednesday, January 21st, 2026
Overnight Temperature: 70°F
Clear with cloudy periods. Wind 20 to 30 mph.
Morning Temperature: 71°F
Cloudy. Windy.
Afternoon Temperature: 71°F
Cloudy. Wind 20 to 30 mph.
Evening Temperature: 72°F
Clear with cloudy periods. Windy.
Thursday, January 22nd, 2026
Overnight Temperature: 72°F
Clear with cloudy periods with a chance of showers. Slight chance of a thunderstorm. Windy.
Morning Temperature: 72°F
Cloudy with a chance of showers. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 73°F
Cloudy with a chance of showers. Slight chance of a thunderstorm. Windy.
Evening Temperature: 72°F
Cloudy. Slight chance of a thunderstorm. Windy.
Friday, January 23rd, 2026
Overnight Temperature: 72°F
A mix of cloudy and clear skies. Slight chance of a thunderstorm. Windy.
Morning Temperature: 73°F
Sunny with cloudy periods with a slight chance of showers or thundershowers. Windy.
Afternoon Temperature: 73°F
A mix of cloud and sun. Chance of a thunderstorm. Windy.
Evening Temperature: 74°F
Clear with cloudy periods. Chance of a thunderstorm. Windy.
Saturday, January 24th, 2026
Overnight Temperature: 75°F
Clear with a slight chance of showers or thundershowers. Windy at times.
Morning Temperature: 75°F
Sunny with cloudy periods. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 75°F
Sunny. Chance of a thunderstorm.
Evening Temperature: 74°F
Clear. Chance of a thunderstorm.
Sunday, January 25th, 2026
Overnight Temperature: 73°F
Clear. Windy at times.
Morning Temperature: 72°F
Sunny. Windy.
Afternoon Temperature: 72°F
Sunny with cloudy periods. Windy.
Evening Temperature: 70°F
Cloudy with a slight chance of showers. Wind 20 to 30 mph.
Monday, January 26th, 2026
Overnight Temperature: 69°F
Cloudy. Wind 20 to 30 mph.
Morning Temperature: 70°F
Sunny. Windy.
Afternoon Temperature: 70°F
Sunny. Windy.
Evening Temperature: 70°F
Clear with cloudy periods. Windy.





 

  [ Local Weather Report ]
Key Colony Beach, FL 
9:53 PM  64°F
 
 
Plantation, FL 
 
Key West, FL 
9:53 PM  66°F
Overcast
 
Florida City, FL 
 
Homestead, FL 
9:55 PM  61°F
 
 
South Miami, FL 
9:53 PM  61°F
Mostly Cloudy
 
Sweetwater, FL 
9:53 PM  61°F
Mostly Cloudy
 
Coral Gables, FL 
9:53 PM  61°F
Mostly Cloudy
 
Miami, FL 
9:53 PM  61°F
Mostly Cloudy
 
West Miami, FL 
9:53 PM  61°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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