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.

88°F

31°C

Humidity 66%
Wind Speed SE 8 mph
Barometer 30.16 in (1021.2 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 23 Jun 10:53 am EDT
Extended Forecast for

Islamorada FL

  • Today

    Today: A slight chance of showers and thunderstorms before 2pm. Partly sunny, with a high near 88. Southeast wind around 5 mph. Chance of precipitation is 10%.

    High: 88 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 83. East wind around 5 mph.

    Low: 83 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 88. East wind around 5 mph. Chance of precipitation is 10%.

    High: 88 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 83. Southeast wind around 5 mph. Chance of precipitation is 10%.

    Low: 83 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers and thunderstorms. Sunny, with a high near 88. Southeast wind 5 to 10 mph. Chance of precipitation is 10%.

    High: 88 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms. Mostly clear, with a low around 84. Chance of precipitation is 10%.

    Low: 84 °F

    Slight Chance
    T-storms

  • Friday

    Friday: 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

  • Friday Night

    Friday Night: Mostly clear, with a low around 83.

    Low: 83 °F

    Mostly Clear

  • 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

Detailed Forecast

Today
A slight chance of showers and thunderstorms before 2pm. Partly sunny, with a high near 88. Southeast wind around 5 mph. Chance of precipitation is 10%.
Tonight
Partly cloudy, with a low around 83. East wind around 5 mph.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 88. East wind around 5 mph. Chance of precipitation is 10%.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 83. Southeast wind around 5 mph. Chance of precipitation is 10%.
Thursday
A slight chance of showers and thunderstorms. Sunny, with a high near 88. Southeast wind 5 to 10 mph. Chance of precipitation is 10%.
Thursday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 84. Chance of precipitation is 10%.
Friday
A slight chance of showers and thunderstorms. Sunny, with a high near 88. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 83.
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. Mostly clear, with a low around 83. Chance of precipitation is 10%.
Sunday
A slight chance of showers. Sunny, with a high near 88. Chance of precipitation is 10%.
Sunday Night
A slight chance of showers. Mostly clear, with a low around 83. Chance of precipitation is 10%.
Monday
A slight chance of showers. Sunny, with a high near 88. Chance of precipitation is 10%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Islamorada FL
 24.93°N 80.62°W (Elev. 3 ft)
Last Update:
11:15 am EDT Jun 23, 2026
Forecast Valid:
11am EDT Jun 23, 2026-6pm EDT Jun 29, 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