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.

A Few Clouds

83°F

28°C

Humidity 82%
Wind Speed SE 8 mph
Barometer 29.99 in (1015.4 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 10 Jun 2:53 am EDT
Extended Forecast for

Islamorada FL

  • Overnight

    Overnight: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 80. Southeast wind around 10 mph. Chance of precipitation is 20%.

    Low: 80 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, mainly after 8am. Partly sunny, with a high near 87. East wind around 10 mph. Chance of precipitation is 30%.

    High: 87 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 81. East wind 5 to 10 mph. Chance of precipitation is 10%.

    Low: 81 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 88. East wind around 5 mph. Chance of precipitation is 20%.

    High: 88 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 81. East wind around 5 mph.

    Low: 81 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 20%.

    High: 88 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 80. Chance of precipitation is 10%.

    Low: 80 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers and thunderstorms. Sunny, with a high near 88. Chance of precipitation is 20%.

    High: 88 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 81. Chance of precipitation is 20%.

    Low: 81 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 80. Southeast wind around 10 mph. Chance of precipitation is 20%.
Wednesday
A chance of showers and thunderstorms, mainly after 8am. Partly sunny, with a high near 87. East wind around 10 mph. Chance of precipitation is 30%.
Wednesday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 81. East wind 5 to 10 mph. Chance of precipitation is 10%.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 88. East wind around 5 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 81. East wind around 5 mph.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 20%.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 80. Chance of precipitation is 10%.
Saturday
A slight chance of showers and thunderstorms. Sunny, with a high near 88. Chance of precipitation is 20%.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 81. Chance of precipitation is 20%.
Sunday
A slight chance of showers and thunderstorms. Sunny, with a high near 86. Chance of precipitation is 20%.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 81. Chance of precipitation is 20%.
Monday
A slight chance of showers. Mostly sunny, with a high near 86. Chance of precipitation is 10%.
Monday Night
Partly cloudy, with a low around 82.
Tuesday
Mostly sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Islamorada FL
 24.93°N 80.64°W (Elev. 0 ft)
Last Update:
3:15 am EDT Jun 10, 2026
Forecast Valid:
3am EDT Jun 10, 2026-6pm EDT Jun 16, 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