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.

Fair

85°F

29°C

Humidity 72%
Wind Speed E 12 mph
Barometer 30.03 in (1016.8 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 16 Jun 6:53 pm EDT
Extended Forecast for

5 Miles W Marathon FL

  • Tonight

    Tonight: Isolated showers and thunderstorms. Mostly clear, with a low around 82. Breezy, with an east wind 15 to 20 mph. Chance of precipitation is 20%.

    Low: 82 °F

    Isolated
    T-storms and
    Breezy

  • Tuesday

    Tuesday: Isolated showers and thunderstorms. Sunny, with a high near 87. Southeast wind around 15 mph. Chance of precipitation is 20%.

    High: 87 °F

    Isolated
    T-storms

  • Tuesday Night

    Tuesday Night: Isolated showers and thunderstorms. Partly cloudy, with a low around 82. East wind around 15 mph. Chance of precipitation is 20%.

    Low: 82 °F

    Isolated
    T-storms

  • Wednesday

    Wednesday: Isolated showers and thunderstorms. Mostly sunny, with a high near 87. East wind around 15 mph. Chance of precipitation is 20%.

    High: 87 °F

    Isolated
    T-storms

  • Wednesday Night

    Wednesday Night: Isolated showers and thunderstorms. Partly cloudy, with a low around 82. Breezy, with an east wind 15 to 20 mph. Chance of precipitation is 20%.

    Low: 82 °F

    Isolated
    T-storms and
    Breezy

  • Juneteenth

    Juneteenth: Isolated showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 20%.

    High: 87 °F

    Isolated
    T-storms

  • Thursday Night

    Thursday Night: Isolated showers and thunderstorms. Partly cloudy, with a low around 81. Chance of precipitation is 20%.

    Low: 81 °F

    Isolated
    T-storms

  • Friday

    Friday: Scattered showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 30%.

    High: 87 °F

    Scattered
    Showers

  • Friday Night

    Friday Night: Scattered showers and thunderstorms. Partly cloudy, with a low around 82. Chance of precipitation is 30%.

    Low: 82 °F

    Scattered
    Showers

Detailed Forecast

Tonight
Isolated showers and thunderstorms. Mostly clear, with a low around 82. Breezy, with an east wind 15 to 20 mph. Chance of precipitation is 20%.
Tuesday
Isolated showers and thunderstorms. Sunny, with a high near 87. Southeast wind around 15 mph. Chance of precipitation is 20%.
Tuesday Night
Isolated showers and thunderstorms. Partly cloudy, with a low around 82. East wind around 15 mph. Chance of precipitation is 20%.
Wednesday
Isolated showers and thunderstorms. Mostly sunny, with a high near 87. East wind around 15 mph. Chance of precipitation is 20%.
Wednesday Night
Isolated showers and thunderstorms. Partly cloudy, with a low around 82. Breezy, with an east wind 15 to 20 mph. Chance of precipitation is 20%.
Juneteenth
Isolated showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 20%.
Thursday Night
Isolated showers and thunderstorms. Partly cloudy, with a low around 81. Chance of precipitation is 20%.
Friday
Scattered showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Friday Night
Scattered showers and thunderstorms. Partly cloudy, with a low around 82. Chance of precipitation is 30%.
Saturday
Scattered showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Saturday Night
Scattered showers and thunderstorms. Partly cloudy, with a low around 82. Chance of precipitation is 30%.
Sunday
Scattered showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Sunday Night
Scattered showers and thunderstorms. Partly cloudy, with a low around 81. Chance of precipitation is 30%.
Monday
Scattered showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Marathon FL
 24.7°N 81.15°W (Elev. 0 ft)
Last Update:
7:15 pm EDT Jun 16, 2025
Forecast Valid:
7pm EDT Jun 16, 2025-6pm EDT Jun 23, 2025
 
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