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.

Fair

31°C

87°F

Humidity 70%
Wind Speed SE 11 km/h
Barometer 1012.5 mb (29.90 in)
Dewpoint 24°C (76°F)
Visibility 16 km
Heat Index37°C (98°F)
Last update 17 May 4:53 pm EDT
Extended Forecast for

Marathon Shores FL

Heat Advisory until May 17, 06:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until May 17, 06:00pm

    NOW until 6:00pm Fri

    Heat Advisory

  • This Afternoon

    High: 33 °C

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 28. East wind 10 to 15 km/h.

    Low: 28 °C

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 33. South wind 10 to 15 km/h.

    High: 33 °C

    Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers. Partly cloudy, with a low around 28. East wind 10 to 20 km/h. Chance of precipitation is 10%.

    Low: 28 °C

    Slight Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 33. South wind 10 to 15 km/h. Chance of precipitation is 20%.

    High: 33 °C

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 27. Chance of precipitation is 30%.

    Low: 27 °C

    Chance
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms. Mostly sunny, with a high near 32. Chance of precipitation is 30%.

    High: 32 °C

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 26. Chance of precipitation is 30%.

    Low: 26 °C

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 33. Southeast wind around 10 km/h.
Tonight
Mostly clear, with a low around 28. East wind 10 to 15 km/h.
Saturday
Sunny, with a high near 33. South wind 10 to 15 km/h.
Saturday Night
A slight chance of showers. Partly cloudy, with a low around 28. East wind 10 to 20 km/h. Chance of precipitation is 10%.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 33. South wind 10 to 15 km/h. Chance of precipitation is 20%.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 27. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 32. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 26. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms. Sunny, with a high near 32. Chance of precipitation is 30%.
Tuesday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 26. Chance of precipitation is 20%.
Wednesday
A slight chance of showers and thunderstorms. Sunny, with a high near 32. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 27. Chance of precipitation is 20%.
Thursday
A slight chance of showers and thunderstorms. Sunny, with a high near 32. Chance of precipitation is 20%.
Thursday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 27. Chance of precipitation is 20%.
Friday
A slight chance of showers and thunderstorms. Sunny, with a high near 32. Chance of precipitation is 20%.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Marathon Shores FL
 24.72°N 81.05°W (Elev. 0 m)
Last Update:
5:15 pm EDT May 17, 2024
Forecast Valid:
5pm EDT May 17, 2024-6pm EDT May 24, 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