Heavy Rain in the Southern U.S.; Winter Storm to Impact the Northern Mid-Atlantic and Interior Northeast

A storm system stretching from the Tennessee Valley to the Gulf Coast will bring a variety of hazards to the Eastern U.S. through Tuesday. On the south side of the system, heavy rain and thunderstorms will persist across the Southern U.S. Further north, a wintry precipitation mix is expected from the Central Appalachians to the interior Northeast through Tuesday. Read More >

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Fair

78°F

26°C

Humidity 79%
Wind Speed E 13 mph
Barometer 29.97 in (1014.8 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 1 Dec 10:53 pm EST
Extended Forecast for

Marathon Shores FL

  • Tonight

    Tonight: A slight chance of showers.  Partly cloudy, with a low around 74. Southeast wind around 10 mph.  Chance of precipitation is 10%.

    Low: 74 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83. South wind 5 to 10 mph becoming southwest in the afternoon.

    High: 83 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 72. West wind around 5 mph.

    Low: 72 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 79. Northwest wind around 5 mph.

    High: 79 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 71. North wind 5 to 10 mph.

    Low: 71 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of showers. Partly cloudy, with a low around 74. Southeast wind around 10 mph. Chance of precipitation is 10%.
Tuesday
Mostly sunny, with a high near 83. South wind 5 to 10 mph becoming southwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 72. West wind around 5 mph.
Wednesday
Mostly sunny, with a high near 79. Northwest wind around 5 mph.
Wednesday Night
Partly cloudy, with a low around 71. North wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Partly cloudy, with a low around 73.
Friday
Mostly sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 75.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
A slight chance of showers. Partly cloudy, with a low around 75. Chance of precipitation is 10%.
Sunday
A slight chance of showers. Mostly sunny, with a high near 82. Chance of precipitation is 10%.
Sunday Night
A slight chance of showers. Mostly cloudy, with a low around 73. Chance of precipitation is 10%.
Monday
Partly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Marathon Shores FL
 24.72°N 81.05°W (Elev. 0 ft)
11:15 pm EST Dec 1, 2025
11pm EST Dec 1, 2025-6pm EST Dec 8, 2025
 
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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