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.

Overcast

79°F

26°C

Humidity 88%
Wind Speed Calm
Barometer 29.90 in (1012.5 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 13 May 2:53 pm EDT
Extended Forecast for

Lower Matecumbe Beach FL

  • This Afternoon

    This Afternoon: A slight chance of showers and thunderstorms. Mostly cloudy, with a high near 86. West wind around 10 mph. Chance of precipitation is 20%.

    High: 86 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly after 8pm. Mostly cloudy, with a low around 80. West wind 10 to 15 mph. Chance of precipitation is 30%.

    Low: 80 °F

    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85. West wind around 10 mph. Chance of precipitation is 20%.

    High: 85 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 79. West wind 5 to 10 mph.

    Low: 79 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84. Calm wind.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms. Mostly clear, with a low around 81. Chance of precipitation is 20%.

    Low: 81 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers and thunderstorms. Sunny, with a high near 86. Chance of precipitation is 20%.

    High: 86 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 81. Chance of precipitation is 40%.

    Low: 81 °F

    Chance
    T-storms

  • Sunday

    Sunday: A slight chance of showers. Partly sunny, with a high near 83. Chance of precipitation is 10%.

    High: 83 °F

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms. Mostly cloudy, with a high near 86. West wind around 10 mph. Chance of precipitation is 20%.
Tonight
A chance of showers and thunderstorms, mainly after 8pm. Mostly cloudy, with a low around 80. West wind 10 to 15 mph. Chance of precipitation is 30%.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85. West wind around 10 mph. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 79. West wind 5 to 10 mph.
Friday
Sunny, with a high near 84. Calm wind.
Friday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 81. Chance of precipitation is 20%.
Saturday
A slight chance of showers and thunderstorms. Sunny, with a high near 86. Chance of precipitation is 20%.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 81. Chance of precipitation is 40%.
Sunday
A slight chance of showers. Partly sunny, with a high near 83. Chance of precipitation is 10%.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 81. Breezy. Chance of precipitation is 30%.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83. Breezy. Chance of precipitation is 20%.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 81. Windy. Chance of precipitation is 30%.
Tuesday
A slight chance of showers and thunderstorms. Sunny, with a high near 83. Breezy. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lower Matecumbe Beach FL
 24.85°N 80.73°W (Elev. 0 ft)
Last Update:
2:51 pm EDT May 13, 2026
Forecast Valid:
3pm EDT May 13, 2026-6pm EDT May 19, 2026
 
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