Hazardous Weather Conditions

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

A Few Clouds

31°C

87°F

Humidity 65%
Wind Speed E 26 km/h
Barometer 1020.7 mb (30.14 in)
Dewpoint 23°C (74°F)
Visibility 16 km
Heat Index35°C (95°F)
Last update 23 Jun 11:53 am EDT
Extended Forecast for

Marathon FL

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms.  Sunny, with a high near 31. East wind around 20 km/h.  Chance of precipitation is 30%.

    High: 31 °C

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms.  Mostly clear, with a low around 27. East wind around 25 km/h.  Chance of precipitation is 40%.

    Low: 27 °C

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms.  Sunny, with a high near 31. East wind around 20 km/h.  Chance of precipitation is 40%.

    High: 31 °C

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms.  Mostly clear, with a low around 27. East wind 20 to 25 km/h.  Chance of precipitation is 40%.

    Low: 27 °C

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms.  Sunny, with a high near 31. East wind around 15 km/h.  Chance of precipitation is 40%.

    High: 31 °C

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms.  Mostly clear, with a low around 27. Chance of precipitation is 40%.

    Low: 27 °C

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms.  Mostly sunny, with a high near 31. Chance of precipitation is 40%.

    High: 31 °C

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 27. Chance of precipitation is 40%.

    Low: 27 °C

    Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms.  Partly sunny, with a high near 32. Chance of precipitation is 40%.

    High: 32 °C

    Chance
    Showers

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms. Sunny, with a high near 31. East wind around 20 km/h. Chance of precipitation is 30%.
Tonight
A chance of showers and thunderstorms. Mostly clear, with a low around 27. East wind around 25 km/h. Chance of precipitation is 40%.
Tuesday
A chance of showers and thunderstorms. Sunny, with a high near 31. East wind around 20 km/h. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 27. East wind 20 to 25 km/h. Chance of precipitation is 40%.
Wednesday
A chance of showers and thunderstorms. Sunny, with a high near 31. East wind around 15 km/h. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 27. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 31. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 27. Chance of precipitation is 40%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 32. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 27. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 31. Chance of precipitation is 30%.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 27. Chance of precipitation is 20%.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 31. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Marathon FL
 24.72°N 81.07°W (Elev. 7 m)
12:15 pm EDT Jun 23, 2025
12pm EDT Jun 23, 2025-6pm EDT Jun 29, 2025
 
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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