National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Partly Cloudy

83°F

28°C

Humidity 74%
Wind Speed E 13 mph
Barometer 29.93 in (1013.4 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 7 May 9:53 am EDT
Extended Forecast for

Marathon FL

  • Today

    Today: A slight chance of showers. Sunny, with a high near 87. East wind around 10 mph. Chance of precipitation is 10%.

    High: 87 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers. Partly cloudy, with a low around 78. Southeast wind 10 to 15 mph. Chance of precipitation is 10%.

    Low: 78 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 88. East wind around 10 mph.

    High: 88 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 79. East wind around 15 mph.

    Low: 79 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 88. Southeast wind around 10 mph.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 80.

    Low: 80 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: A slight chance of showers. Mostly clear, with a low around 80. Chance of precipitation is 10%.

    Low: 80 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 30%.

    High: 90 °F

    Chance
    Showers

Detailed Forecast

Today
A slight chance of showers. Sunny, with a high near 87. East wind around 10 mph. Chance of precipitation is 10%.
Tonight
A slight chance of showers. Partly cloudy, with a low around 78. Southeast wind 10 to 15 mph. Chance of precipitation is 10%.
Wednesday
Mostly sunny, with a high near 88. East wind around 10 mph.
Wednesday Night
Mostly clear, with a low around 79. East wind around 15 mph.
Thursday
Sunny, with a high near 88. Southeast wind around 10 mph.
Thursday Night
Mostly clear, with a low around 80.
Friday
Sunny, with a high near 90.
Friday Night
A slight chance of showers. Mostly clear, with a low around 80. Chance of precipitation is 10%.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Saturday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 79. Chance of precipitation is 20%.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 79. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Marathon FL
 24.72°N 81.07°W (Elev. 7 ft)
Last Update:
10:15 am EDT May 7, 2024
Forecast Valid:
10am EDT May 7, 2024-6pm EDT May 13, 2024
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation