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

78°F

26°C

Humidity 76%
Wind Speed N 7 mph
Barometer 30.03 in (1017.0 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 19 Apr 10:53 pm EDT
Extended Forecast for

Plantation Key FL

  • Tonight

    Tonight: A slight chance of showers. Mostly cloudy, with a low around 74. North wind around 5 mph. Chance of precipitation is 10%.

    Low: 74 °F

    Slight Chance
    Showers

  • Monday

    Monday: A slight chance of showers. Mostly sunny, with a high near 81. North wind around 5 mph becoming east in the afternoon. Chance of precipitation is 20%.

    High: 81 °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 40%.

    Low: 72 °F

    Chance
    Showers and
    Breezy

  • Tuesday

    Tuesday: A slight chance of showers. Mostly sunny, with a high near 78. Breezy, with a northeast wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 10%.

    High: 78 °F

    Slight Chance
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 71. Breezy, with an east wind 15 to 20 mph.

    Low: 71 °F

    Mostly Clear
    and Breezy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 71. Breezy.

    Low: 71 °F

    Mostly Cloudy
    and Breezy

  • Thursday

    Thursday: Partly sunny, with a high near 78. Breezy.

    High: 78 °F

    Partly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: A slight chance of showers. Mostly cloudy, with a low around 72. Breezy. Chance of precipitation is 10%.

    Low: 72 °F

    Slight Chance
    Showers and
    Breezy

Detailed Forecast

Tonight
A slight chance of showers. Mostly cloudy, with a low around 74. North wind around 5 mph. Chance of precipitation is 10%.
Monday
A slight chance of showers. Mostly sunny, with a high near 81. 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 40%.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 78. 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. Breezy, with an east wind 15 to 20 mph.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Mostly cloudy, with a low around 71. Breezy.
Thursday
Partly sunny, with a high near 78. Breezy.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 72. Breezy. Chance of precipitation is 10%.
Friday
Mostly sunny, with a high near 79.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 74. Chance of precipitation is 10%.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 75.
Sunday
Sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Plantation Key FL
 24.97°N 80.56°W (Elev. 0 ft)
Last Update:
11:15 pm EDT Apr 19, 2026
Forecast Valid:
11pm EDT Apr 19, 2026-6pm EDT Apr 26, 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