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.

Fair

32°C

90°F

Humidity 63%
Wind Speed N 11 km/h
Barometer 1019.7 mb (30.11 in)
Dewpoint 24°C (76°F)
Visibility 16 km
Heat Index38°C (101°F)
Last update 13 Jul 11:53 am EDT
Extended Forecast for

Marathon Shores FL

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms. Mostly sunny, with a high near 32. Calm wind. Chance of precipitation is 40%.

    High: 32 °C

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 27. Calm wind. Chance of precipitation is 50%.

    Low: 27 °C

    Chance
    Showers

  • Monday

    Monday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 31. South wind 5 to 10 km/h becoming west in the afternoon. Chance of precipitation is 60%.

    High: 31 °C

    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 26. North wind around 10 km/h becoming south after midnight. Chance of precipitation is 70%.

    Low: 26 °C

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 31. South wind around 10 km/h. Chance of precipitation is 60%.

    High: 31 °C

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 27. Chance of precipitation is 50%.

    Low: 27 °C

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms. Partly sunny, with a high near 32. Chance of precipitation is 50%.

    High: 32 °C

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 28. Chance of precipitation is 40%.

    Low: 28 °C

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms. Partly sunny, with a high near 32. Chance of precipitation is 30%.

    High: 32 °C

    Chance
    Showers

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms. Mostly sunny, with a high near 32. Calm wind. Chance of precipitation is 40%.
Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 27. Calm wind. Chance of precipitation is 50%.
Monday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 31. South wind 5 to 10 km/h becoming west in the afternoon. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 26. North wind around 10 km/h becoming south after midnight. Chance of precipitation is 70%.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 31. South wind around 10 km/h. Chance of precipitation is 60%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 27. Chance of precipitation is 50%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 32. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 28. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 32. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 28. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 32. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 28. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms. Sunny, with a high near 32. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Marathon Shores FL
 24.72°N 81.05°W (Elev. 0 m)
Last Update:
12:15 pm EDT Jul 13, 2025
Forecast Valid:
12pm EDT Jul 13, 2025-6pm EDT Jul 19, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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