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

Severe Thunderstorm and Flash Flood Threats Continue into the Weekend

Severe thunderstorms are expected from the southern Plains to the Midwest through Friday night. Severe storm hazards may include large hail, severe winds, and tornadoes, some of which may be strong. There will be another chance for severe thunderstorms on Saturday for portions of Texas, the Lower Mississippi Valley, and the Ohio Valley. Storms could result in locally heavy rain and flash flooding. Read More >

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

A Few Clouds

76°F

24°C

Humidity 85%
Wind Speed E 14 G 24 mph
Barometer 30.11 in (1019.6 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 7 Mar 1:53 am EST
Extended Forecast for

Marathon Shores FL

  • Overnight

    Overnight: Partly cloudy, with a low around 75. East wind around 15 mph.

    Low: 75 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers. Sunny, with a high near 83. East wind around 15 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 15 mph. Chance of precipitation is 20%.

    Low: 75 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers. Sunny, with a high near 83. East wind around 15 mph. Chance of precipitation is 20%.

    High: 83 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers. Mostly clear, with a low around 75. East wind 10 to 15 mph. Chance of precipitation is 20%.

    Low: 75 °F

    Slight Chance
    Showers

  • Monday

    Monday: A slight chance of showers. Sunny, with a high near 83. Chance of precipitation is 20%.

    High: 83 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers. Mostly clear, with a low around 75. Chance of precipitation is 20%.

    Low: 75 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers. Sunny, with a high near 82. Chance of precipitation is 20%.

    High: 82 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers. Mostly clear, with a low around 75. Chance of precipitation is 20%.

    Low: 75 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 75. East wind around 15 mph.
Saturday
A slight chance of showers. Sunny, with a high near 83. East wind around 15 mph. Chance of precipitation is 20%.
Saturday Night
A slight chance of showers. Partly cloudy, with a low around 75. East wind around 15 mph. Chance of precipitation is 20%.
Sunday
A slight chance of showers. Sunny, with a high near 83. East wind around 15 mph. Chance of precipitation is 20%.
Sunday Night
A slight chance of showers. Mostly clear, with a low around 75. East wind 10 to 15 mph. Chance of precipitation is 20%.
Monday
A slight chance of showers. Sunny, with a high near 83. Chance of precipitation is 20%.
Monday Night
A slight chance of showers. Mostly clear, with a low around 75. Chance of precipitation is 20%.
Tuesday
A slight chance of showers. Sunny, with a high near 82. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers. Mostly clear, with a low around 75. Chance of precipitation is 20%.
Wednesday
A slight chance of showers. Sunny, with a high near 83. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 76. Chance of precipitation is 20%.
Thursday
A slight chance of showers. Mostly sunny, with a high near 83. Chance of precipitation is 20%.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 73. Chance of precipitation is 20%.
Friday
A chance of showers. Partly sunny, with a high near 83. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marathon Shores FL
 24.74°N 81.04°W (Elev. 0 ft)
Last Update:
2:15 am EST Mar 7, 2026
Forecast Valid:
2am EST Mar 7, 2026-6pm EDT Mar 13, 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