Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Fair

85°F

29°C

Humidity 68%
Wind Speed E 13 mph
Barometer 30.08 in (1018.6 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 24 Jun 7:53 pm EDT
Extended Forecast for

31 Miles N Marathon Airport FL

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 5am.  Partly cloudy, with a low around 78. East wind 9 to 13 mph, with gusts as high as 20 mph.

    Low: 78 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 10am, then showers likely and possibly a thunderstorm between 10am and 11am, then a chance of showers and thunderstorms after 11am.  Sunny, with a high near 86. Northeast wind 10 to 14 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Showers
    Likely then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then a chance of showers and thunderstorms after 2am.  Partly cloudy, with a low around 78. East wind 7 to 10 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 78 °F

    T-storms
    Likely then
    Showers
    Likely

  • Thursday

    Thursday: A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then showers and thunderstorms likely after 2pm.  Mostly sunny, with a high near 86. Southeast wind 6 to 11 mph.  Chance of precipitation is 60%.

    High: 86 °F

    Showers
    Likely then
    T-storms
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely, mainly before 8pm.  Partly cloudy, with a low around 79. Southeast wind 7 to 9 mph.  Chance of precipitation is 60%.

    Low: 79 °F

    T-storms
    Likely

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 2pm.  Mostly sunny, with a high near 87. Southeast wind 7 to 13 mph, with gusts as high as 18 mph.  Chance of precipitation is 60%.

    High: 87 °F

    T-storms
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely, mainly before 8pm.  Mostly cloudy, with a low around 79. East wind 8 to 10 mph.  Chance of precipitation is 60%.

    Low: 79 °F

    T-storms
    Likely then
    Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly after 8am.  Mostly sunny, with a high near 86. Southeast wind 9 to 14 mph, with gusts as high as 20 mph.

    High: 86 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 78. East wind 7 to 10 mph.

    Low: 78 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly after 5am. Partly cloudy, with a low around 78. East wind 9 to 13 mph, with gusts as high as 20 mph.
Wednesday
A chance of showers and thunderstorms before 10am, then showers likely and possibly a thunderstorm between 10am and 11am, then a chance of showers and thunderstorms after 11am. Sunny, with a high near 86. Northeast wind 10 to 14 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 78. East wind 7 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 86. Southeast wind 6 to 11 mph. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 79. Southeast wind 7 to 9 mph. Chance of precipitation is 60%.
Friday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 87. Southeast wind 7 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 79. East wind 8 to 10 mph. Chance of precipitation is 60%.
Saturday
A 40 percent chance of showers and thunderstorms, mainly after 8am. Mostly sunny, with a high near 86. Southeast wind 9 to 14 mph, with gusts as high as 20 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78. East wind 7 to 10 mph.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78.
Monday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 80.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
31 Miles N Marathon Airport FL
 25.19°N 81.15°W
8:02 pm EDT Jun 24, 2025
8pm EDT Jun 24, 2025-6pm EDT Jul 1, 2025
 
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