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.

Overcast

30°C

86°F

Humidity 77%
Wind Speed S 13 km/h
Barometer 1013.3 mb (29.93 in)
Dewpoint 26°C (78°F)
Visibility 16 km
Heat Index37°C (98°F)
Last update 14 May 12:53 pm EDT
Extended Forecast for

Marathon FL

  • This Afternoon

    This Afternoon: Sunny, with a high near 33. Southeast wind 15 to 25 km/h.

    High: 33 °C

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 27. Southeast wind 20 to 25 km/h.

    Low: 27 °C

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms. Sunny, with a high near 33. South wind 10 to 20 km/h. Chance of precipitation is 10%.

    High: 33 °C

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms. Mostly clear, with a low around 28. Northwest wind 10 to 15 km/h becoming south after midnight. Chance of precipitation is 20%.

    Low: 28 °C

    Slight Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 33. West wind 10 to 15 km/h. Chance of precipitation is 10%.

    High: 33 °C

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers. Mostly clear, with a low around 28. Chance of precipitation is 10%.

    Low: 28 °C

    Slight Chance
    Showers

  • Friday

    Friday: A slight chance of showers. Sunny, with a high near 34. Chance of precipitation is 10%.

    High: 34 °C

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers. Mostly clear, with a low around 28. Chance of precipitation is 10%.

    Low: 28 °C

    Slight Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers. Sunny, with a high near 33. Chance of precipitation is 10%.

    High: 33 °C

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 33. Southeast wind 15 to 25 km/h.
Tonight
Partly cloudy, with a low around 27. Southeast wind 20 to 25 km/h.
Wednesday
A slight chance of showers and thunderstorms. Sunny, with a high near 33. South wind 10 to 20 km/h. Chance of precipitation is 10%.
Wednesday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 28. Northwest wind 10 to 15 km/h becoming south after midnight. Chance of precipitation is 20%.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 33. West wind 10 to 15 km/h. Chance of precipitation is 10%.
Thursday Night
A slight chance of showers. Mostly clear, with a low around 28. Chance of precipitation is 10%.
Friday
A slight chance of showers. Sunny, with a high near 34. Chance of precipitation is 10%.
Friday Night
A slight chance of showers. Mostly clear, with a low around 28. Chance of precipitation is 10%.
Saturday
A slight chance of showers. Sunny, with a high near 33. Chance of precipitation is 10%.
Saturday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 28. Chance of precipitation is 10%.
Sunday
A slight chance of showers and thunderstorms. Sunny, with a high near 33. Chance of precipitation is 20%.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 28. Chance of precipitation is 20%.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 31. Chance of precipitation is 20%.
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Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Marathon FL
 24.72°N 81.1°W (Elev. 0 m)
Last Update:
1:15 pm EDT May 14, 2024
Forecast Valid:
1pm EDT May 14, 2024-6pm EDT May 20, 2024
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation