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

82°F

28°C

Humidity 74%
Wind Speed SE 7 mph
Barometer 30.02 in (1016.5 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 19 Apr 1:53 pm EDT
Extended Forecast for

Lower Matecumbe Beach FL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 80. Southeast wind around 5 mph.

    High: 80 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of showers. Mostly cloudy, with a low around 75. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 10%.

    Low: 75 °F

    Slight Chance
    Showers

  • Monday

    Monday: A slight chance of showers. Mostly sunny, with a high near 80. North wind around 5 mph becoming east in the afternoon. Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Breezy, with a northeast wind 15 to 20 mph. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    Showers and
    Breezy

  • Tuesday

    Tuesday: A slight chance of showers. Mostly sunny, with a high near 77. Breezy, with a northeast wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 10%.

    High: 77 °F

    Slight Chance
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 71. Windy.

    Low: 71 °F

    Mostly Clear
    and Windy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers. Mostly cloudy, with a low around 71. Windy. Chance of precipitation is 10%.

    Low: 71 °F

    Slight Chance
    Showers and
    Windy

  • Thursday

    Thursday: Mostly cloudy, with a high near 77. Breezy.

    High: 77 °F

    Mostly Cloudy
    and Breezy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 80. Southeast wind around 5 mph.
Tonight
A slight chance of showers. Mostly cloudy, with a low around 75. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 10%.
Monday
A slight chance of showers. Mostly sunny, with a high near 80. North wind around 5 mph becoming east in the afternoon. Chance of precipitation is 20%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Breezy, with a northeast wind 15 to 20 mph. Chance of precipitation is 30%.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 77. Breezy, with a northeast wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 10%.
Tuesday Night
Mostly clear, with a low around 71. Windy.
Wednesday
Mostly sunny, with a high near 76.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 71. Windy. Chance of precipitation is 10%.
Thursday
Mostly cloudy, with a high near 77. Breezy.
Thursday Night
Mostly cloudy, with a low around 72. Breezy.
Friday
Mostly sunny, with a high near 78. Breezy.
Friday Night
Partly cloudy, with a low around 74.
Saturday
Mostly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lower Matecumbe Beach FL
 24.87°N 80.73°W (Elev. 0 ft)
Last Update:
1:15 pm EDT Apr 19, 2026
Forecast Valid:
1pm EDT Apr 19, 2026-6pm EDT Apr 25, 2026
 
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