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Subtropical Storm Josephine Impacts the Eastern Seaboard; Pacific Storm Impacting the Southwest U.S.

Subtropical Storm Josephine will continue to bring significant coastal flooding impacts, dangerous marine conditions, and beach erosion along portions of the Eastern Seaboard. A Pacific storm will interact with tropical moisture and bring excessive rainfall, severe thunderstorms, and high elevation snow to California, the Southwest, and Four Corners region. Read More >

Hazardous Weather Conditions

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Fair

74°F

23°C

Humidity 85%
Wind Speed N 9 G 20 mph
Barometer 29.94 in (1013.8 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 22 Oct 6:53 am EDT
Extended Forecast for

2 Miles S Marathon FL

  • Today

    Today: Mostly sunny, with a high near 83. North wind 5 to 15 mph.

    High: 83 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of showers and thunderstorms. Mostly clear, with a low around 74. Northeast wind 10 to 15 mph. Chance of precipitation is 20%.

    Low: 74 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms. Sunny, with a high near 82. Northeast wind around 15 mph. Chance of precipitation is 40%.

    High: 82 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 74. Breezy, with a northeast wind 15 to 20 mph. Chance of precipitation is 50%.

    Low: 74 °F

    Chance
    Showers and
    Breezy

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 81. Northeast wind around 15 mph. Chance of precipitation is 60%.

    High: 81 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 73. Chance of precipitation is 60%.

    Low: 73 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 82. Breezy. Chance of precipitation is 60%.

    High: 82 °F

    Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 75. Windy. Chance of precipitation is 50%.

    Low: 75 °F

    Chance
    T-storms and
    Windy

  • Monday

    Monday: A chance of showers and thunderstorms. Mostly sunny, with a high near 83. Windy. Chance of precipitation is 50%.

    High: 83 °F

    Chance
    Showers and
    Windy

Detailed Forecast

Today
Mostly sunny, with a high near 83. North wind 5 to 15 mph.
Tonight
A slight chance of showers and thunderstorms. Mostly clear, with a low around 74. Northeast wind 10 to 15 mph. Chance of precipitation is 20%.
Friday
A chance of showers and thunderstorms. Sunny, with a high near 82. Northeast wind around 15 mph. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 74. Breezy, with a northeast wind 15 to 20 mph. Chance of precipitation is 50%.
Saturday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 81. Northeast wind around 15 mph. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 73. Chance of precipitation is 60%.
Sunday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 82. Breezy. Chance of precipitation is 60%.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 75. Windy. Chance of precipitation is 50%.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 83. Windy. Chance of precipitation is 50%.
Monday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 75. Windy. Chance of precipitation is 20%.
Tuesday
A chance of showers and thunderstorms. Sunny, with a high near 84. Windy. Chance of precipitation is 30%.
Tuesday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 75. Windy. Chance of precipitation is 20%.
Wednesday
A chance of showers and thunderstorms. Sunny, with a high near 83. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Marathon FL
 24.7°N 81.07°W (Elev. 0 ft)
Last Update:
7:15 am EDT Oct 22, 2026
Forecast Valid:
7am EDT Oct 22, 2026-6pm EDT Oct 28, 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