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

Significant Severe Weather and Life Threatening Flash Flooding

A powerful spring storm continues across the country with multiple high impacts in the forecast. Life-threatening, catastrophic, and potentially historic flash flood event continues across the Lower Ohio Valley and Mid-South. A couple rounds of significant severe weather expected from the Mid-South through the Ozarks and ArkLaTex with very large hail and strong tornadoes possible. Read More >

Hazardous Weather Conditions

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Mostly Cloudy

83°F

28°C

Humidity 67%
Wind Speed SE 15 G 29 mph
Barometer 30.15 in (1021.0 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 5 Apr 12:53 pm EDT
Extended Forecast for

Marathon Shores FL

  • This Afternoon

    This Afternoon: Sunny, with a high near 84. Southeast wind around 15 mph.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 77. East wind around 15 mph.

    Low: 77 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 83. Southeast wind around 15 mph.

    High: 83 °F

    Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers. Mostly clear, with a low around 77. East wind around 15 mph. Chance of precipitation is 20%.

    Low: 77 °F

    Slight Chance
    Showers

  • Monday

    Monday: A slight chance of showers. Sunny, with a high near 84. South wind 10 to 15 mph. Chance of precipitation is 20%.

    High: 84 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers. Partly cloudy, with a low around 76. Chance of precipitation is 30%.

    Low: 76 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 83. Chance of precipitation is 40%.

    High: 83 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.

    Low: 70 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers. Partly sunny, with a high near 79. Chance of precipitation is 20%.

    High: 79 °F

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 84. Southeast wind around 15 mph.
Tonight
Mostly clear, with a low around 77. East wind around 15 mph.
Sunday
Sunny, with a high near 83. Southeast wind around 15 mph.
Sunday Night
A slight chance of showers. Mostly clear, with a low around 77. East wind around 15 mph. Chance of precipitation is 20%.
Monday
A slight chance of showers. Sunny, with a high near 84. South wind 10 to 15 mph. Chance of precipitation is 20%.
Monday Night
A chance of showers. Partly cloudy, with a low around 76. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 83. Chance of precipitation is 40%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.
Wednesday
A slight chance of showers. Partly sunny, with a high near 79. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 71. Chance of precipitation is 20%.
Thursday
A slight chance of showers. Mostly sunny, with a high near 81. Chance of precipitation is 20%.
Thursday Night
A slight chance of showers. Mostly clear, with a low around 72. Chance of precipitation is 20%.
Friday
A slight chance of showers. Sunny, with a high near 80. Chance of precipitation is 10%.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Marathon Shores FL
 24.72°N 81.05°W (Elev. 0 ft)
Last Update:
12:15 pm EDT Apr 5, 2025
Forecast Valid:
1pm EDT Apr 5, 2025-6pm EDT Apr 11, 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