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.

Fair

88°F

31°C

Humidity 63%
Wind Speed Calm
Barometer 29.91 in (1012.8 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 2 Aug 5:53 pm EDT
Extended Forecast for

Lower Matecumbe Beach FL

  • Tonight

    Tonight: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 83. Light southeast wind increasing to 5 to 10 mph in the evening. Chance of precipitation is 20%.

    Low: 83 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms. Mostly sunny, with a high near 89. South wind around 5 mph. Chance of precipitation is 30%.

    High: 89 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 83. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 30%.

    Low: 83 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms. Mostly sunny, with a high near 88. South wind around 5 mph. Chance of precipitation is 40%.

    High: 88 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 83. East wind 5 to 10 mph. Chance of precipitation is 60%.

    Low: 83 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 50%.

    High: 88 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 83. Chance of precipitation is 60%.

    Low: 83 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers and thunderstorms likely. Mostly sunny, with a high near 87. Chance of precipitation is 70%.

    High: 87 °F

    T-storms
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 82. Breezy. Chance of precipitation is 70%.

    Low: 82 °F

    Showers
    Likely and
    Breezy

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 83. Light southeast wind increasing to 5 to 10 mph in the evening. Chance of precipitation is 20%.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. South wind around 5 mph. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 83. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88. South wind around 5 mph. Chance of precipitation is 40%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 83. East wind 5 to 10 mph. Chance of precipitation is 60%.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 50%.
Wednesday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 83. Chance of precipitation is 60%.
Thursday
Showers and thunderstorms likely. Mostly sunny, with a high near 87. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 82. Breezy. Chance of precipitation is 70%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 40%.
Friday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 82. Chance of precipitation is 60%.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 20%.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 83. Chance of precipitation is 40%.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 88. 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:
5:15 pm EDT Aug 2, 2026
Forecast Valid:
6pm EDT Aug 2, 2026-6pm EDT Aug 9, 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