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

Ophelia Impacting the East; Heavy Rainfall and Severe Threats for the Center of the Nation

Heavy rain, gusty winds, storm surge, high surf and rip currents that could be life threatening, will affect the Mid-Atlantic through this weekend. For the center of the nation, a cold front will focus showers and thunderstorms, some severe with excessive rainfall and flash flooding, through the weekend. Meanwhile, much cooler temperatures and a wet weather pattern enters the Pacific Northwest. Read More >

Hazardous Weather Conditions

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

A Few Clouds

83°F

28°C

Humidity 74%
Wind Speed Vrbl 6 mph
Barometer 29.82 in (1009.6 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 23 Sep 5:53 pm EDT
Extended Forecast for

Marathon FL

  • This
    Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rain. Partly sunny, with a high near 86. East wind around 10 mph. Chance of precipitation is 70%.

    Heavy Rain

    High: 86 °F

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 79. East wind around 10 mph. Chance of precipitation is 70%.

    Showers
    Likely

    Low: 79 °F

  • Sunday

    Sunday: A chance of showers and thunderstorms. Mostly sunny, with a high near 89. East wind around 5 mph. Chance of precipitation is 50%.

    Chance
    T-storms

    High: 89 °F

  • Sunday
    Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 81. East wind 5 to 10 mph. Chance of precipitation is 40%.

    Chance
    T-storms

    Low: 81 °F

  • Monday

    Monday: A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Southeast wind around 5 mph. Chance of precipitation is 40%.

    Chance
    T-storms

    High: 91 °F

  • Monday
    Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 83. Chance of precipitation is 40%.

    Chance
    T-storms

    Low: 83 °F

  • Tuesday

    Tuesday: A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 50%.

    Chance
    T-storms

    High: 90 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 82. Chance of precipitation is 40%.

    Chance
    T-storms

    Low: 82 °F

  • Wednesday

    Wednesday: A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 50%.

    Chance
    T-storms

    High: 90 °F

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rain. Partly sunny, with a high near 86. East wind around 10 mph. Chance of precipitation is 70%.
Tonight
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 79. East wind around 10 mph. Chance of precipitation is 70%.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. East wind around 5 mph. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 81. East wind 5 to 10 mph. Chance of precipitation is 40%.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Southeast wind around 5 mph. Chance of precipitation is 40%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 83. Chance of precipitation is 40%.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 50%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 82. Chance of precipitation is 40%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 81. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 81. Chance of precipitation is 40%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 81. Chance of precipitation is 40%.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 40%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Marathon FL
 24.72°N 81.07°W (Elev. 7 ft)
Last Update:
5:15 pm EDT Sep 23, 2023
Forecast Valid:
5pm EDT Sep 23, 2023-6pm EDT Sep 30, 2023
 
Forecast Discussion
 
Get as KML Get as XML

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