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

Hazardous Weather Conditions

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

A Few Clouds

89°F

32°C

Humidity 63%
Wind Speed NE 8 mph
Barometer 29.90 in (1012.3 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 23 Sep 10:53 am EDT
Extended Forecast for

Marathon FL

  • Today

    Today: A slight chance of showers and thunderstorms. Sunny, with a high near 91. East wind around 10 mph. Chance of precipitation is 20%.

    High: 91 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 81. East wind around 10 mph. Chance of precipitation is 40%.

    Low: 81 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms. Partly sunny, with a high near 90. East wind 10 to 15 mph. Chance of precipitation is 50%.

    High: 90 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 81. Southeast wind around 15 mph. Chance of precipitation is 80%.

    Low: 81 °F

    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 88. Southeast wind around 15 mph. Chance of precipitation is 90%.

    High: 88 °F

    Heavy Rain

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 80. Windy. Chance of precipitation is 90%.

    Low: 80 °F

    Heavy Rain
    and Windy

  • Thursday

    Thursday: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 88. Windy. Chance of precipitation is 90%.

    High: 88 °F

    Heavy Rain
    and Windy

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 81. Chance of precipitation is 70%.

    Low: 81 °F

    Showers
    Likely

  • Friday

    Friday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 90. Chance of precipitation is 60%.

    High: 90 °F

    Showers
    Likely

Detailed Forecast

Today
A slight chance of showers and thunderstorms. Sunny, with a high near 91. East wind around 10 mph. Chance of precipitation is 20%.
Tonight
A chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 81. East wind around 10 mph. Chance of precipitation is 40%.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. East wind 10 to 15 mph. Chance of precipitation is 50%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 81. Southeast wind around 15 mph. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 88. Southeast wind around 15 mph. Chance of precipitation is 90%.
Wednesday Night
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 80. Windy. Chance of precipitation is 90%.
Thursday
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 88. Windy. Chance of precipitation is 90%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 81. Chance of precipitation is 70%.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 90. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 81. Chance of precipitation is 50%.
Saturday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 91. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 81. Chance of precipitation is 40%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 91. Chance of precipitation is 40%.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Marathon FL
 24.7°N 81.1°W (Elev. 3 ft)
Last Update:
11:15 am EDT Sep 23, 2024
Forecast Valid:
11am EDT Sep 23, 2024-6pm EDT Sep 29, 2024
 
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