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

Hazardous Weather Conditions

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

A Few Clouds

83°F

28°C

Humidity 77%
Wind Speed SE 10 mph
Barometer 30.09 in (1019.0 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 14 Jun 6:53 am EDT
Extended Forecast for

Marathon FLSimilar City Names

  • Today

    Today: A chance of showers and thunderstorms, mainly after 8am. Sunny, with a high near 89. Southeast wind 10 to 15 mph. Chance of precipitation is 30%.

    High: 89 °F

    Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 82. East wind 10 to 15 mph. Chance of precipitation is 20%.

    Low: 82 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. Southeast wind around 10 mph. Chance of precipitation is 20%.

    High: 89 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 82. East wind 10 to 15 mph. Chance of precipitation is 20%.

    Low: 82 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. Southeast wind around 10 mph. Chance of precipitation is 20%.

    High: 89 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 82. Chance of precipitation is 20%.

    Low: 82 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 20%.

    High: 89 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 82. Chance of precipitation is 20%.

    Low: 82 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 20%.

    High: 89 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
A chance of showers and thunderstorms, mainly after 8am. Sunny, with a high near 89. Southeast wind 10 to 15 mph. Chance of precipitation is 30%.
Tonight
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 82. East wind 10 to 15 mph. Chance of precipitation is 20%.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. Southeast wind around 10 mph. Chance of precipitation is 20%.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 82. East wind 10 to 15 mph. Chance of precipitation is 20%.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. Southeast wind around 10 mph. Chance of precipitation is 20%.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 82. Chance of precipitation is 20%.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 82. Chance of precipitation is 20%.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 82. Chance of precipitation is 20%.
Juneteenth
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 20%.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 82. Chance of precipitation is 20%.
Friday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Marathon FLSimilar City Names
 24.72°N 81.07°W (Elev. 7 ft)
Last Update:
7:15 am EDT Jun 14, 2025
Forecast Valid:
7am EDT Jun 14, 2025-6pm EDT Jun 20, 2025
 
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Additional Resources

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Chance of Precipitation