National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking a Couple of Storm Systems Across the Country

Showers, along with a few strong to severe thunderstorms, are expected from the Great Lakes, New England and southward into the Ohio and Tennessee Valleys. In the wake of this system, a stronger storm is expected to track from the Pacific Northwest, Plains and through the Eastern U.S. this weekend. Strong winds, showers and a larger drop in temperatures are expected this weekend into Monday. Read More >

Hazardous Weather Conditions

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Fair

82°F

28°C

Humidity 74%
Wind Speed NE 6 mph
Barometer 29.88 in (1011.6 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 7 Nov 3:53 pm EST
Extended Forecast for

Marathon FL

  • This Afternoon

    This Afternoon: A slight chance of showers. Partly sunny, with a high near 80. East wind around 5 mph. Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers. Mostly cloudy, with a low around 75. East wind around 5 mph. Chance of precipitation is 20%.

    Low: 75 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers. Mostly sunny, with a high near 83. East wind around 5 mph. Chance of precipitation is 20%.

    High: 83 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of showers. Partly cloudy, with a low around 75. East wind around 5 mph. Chance of precipitation is 10%.

    Low: 75 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers. Mostly sunny, with a high near 83. East wind around 5 mph. Chance of precipitation is 10%.

    High: 83 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers. Partly cloudy, with a low around 73. Chance of precipitation is 10%.

    Low: 73 °F

    Slight Chance
    Showers

  • Monday

    Monday: A slight chance of showers. Mostly cloudy, with a high near 81. Windy. Chance of precipitation is 10%.

    High: 81 °F

    Slight Chance
    Showers and
    Windy

  • Monday Night

    Monday Night: A slight chance of showers. Mostly cloudy, with a low around 61. Windy. Chance of precipitation is 10%.

    Low: 61 °F

    Slight Chance
    Showers and
    Windy

  • Veterans Day

    Veterans Day: Partly sunny, with a high near 75. Windy.

    High: 75 °F

    Partly Sunny
    and Windy

Detailed Forecast

This Afternoon
A slight chance of showers. Partly sunny, with a high near 80. East wind around 5 mph. Chance of precipitation is 20%.
Tonight
A slight chance of showers. Mostly cloudy, with a low around 75. East wind around 5 mph. Chance of precipitation is 20%.
Saturday
A slight chance of showers. Mostly sunny, with a high near 83. East wind around 5 mph. Chance of precipitation is 20%.
Saturday Night
A slight chance of showers. Partly cloudy, with a low around 75. East wind around 5 mph. Chance of precipitation is 10%.
Sunday
A slight chance of showers. Mostly sunny, with a high near 83. East wind around 5 mph. Chance of precipitation is 10%.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 73. Chance of precipitation is 10%.
Monday
A slight chance of showers. Mostly cloudy, with a high near 81. Windy. Chance of precipitation is 10%.
Monday Night
A slight chance of showers. Mostly cloudy, with a low around 61. Windy. Chance of precipitation is 10%.
Veterans Day
Partly sunny, with a high near 75. Windy.
Tuesday Night
Mostly cloudy, with a low around 67. Breezy.
Wednesday
A slight chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 10%.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 71. Chance of precipitation is 10%.
Thursday
A slight chance of showers. Partly sunny, with a high near 78. Chance of precipitation is 10%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marathon FL
 24.72°N 81.07°W (Elev. 7 ft)
Last Update:
3:15 pm EST Nov 7, 2025
Forecast Valid:
4pm EST Nov 7, 2025-6pm EST Nov 13, 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