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

30°C

86°F

Humidity 70%
Wind Speed E 20 km/h
Barometer 1019.0 mb (30.09 in)
Dewpoint 24°C (75°F)
Visibility 16 km
Heat Index35°C (95°F)
Last update 13 Jun 9:53 am EDT
Extended Forecast for

Key Colony Beach FL

  • Today

    Today: A chance of showers and thunderstorms. Mostly sunny, with a high near 31. Southeast wind 20 to 25 km/h. Chance of precipitation is 50%.

    High: 31 °C

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms. Mostly clear, with a low around 27. Southeast wind around 25 km/h. Chance of precipitation is 30%.

    Low: 27 °C

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms. Mostly sunny, with a high near 31. Southeast wind around 20 km/h. Chance of precipitation is 30%.

    High: 31 °C

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 28. East wind 20 to 25 km/h. Chance of precipitation is 30%.

    Low: 28 °C

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms. Mostly sunny, with a high near 32. Southeast wind 15 to 20 km/h. Chance of precipitation is 30%.

    High: 32 °C

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly clear, with a low around 28. Chance of precipitation is 30%.

    Low: 28 °C

    Chance
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms. Mostly sunny, with a high near 31. Chance of precipitation is 30%.

    High: 31 °C

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 28. Chance of precipitation is 30%.

    Low: 28 °C

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms. Mostly sunny, with a high near 31. Chance of precipitation is 30%.

    High: 31 °C

    Chance
    Showers

Detailed Forecast

Today
A chance of showers and thunderstorms. Mostly sunny, with a high near 31. Southeast wind 20 to 25 km/h. Chance of precipitation is 50%.
Tonight
A chance of showers and thunderstorms. Mostly clear, with a low around 27. Southeast wind around 25 km/h. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 31. Southeast wind around 20 km/h. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 28. East wind 20 to 25 km/h. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 32. Southeast wind 15 to 20 km/h. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 28. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 31. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 28. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 31. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 28. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 32. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 28. Chance of precipitation is 30%.
Juneteenth
A chance of showers and thunderstorms. Mostly sunny, with a high near 32. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Key Colony Beach FL
 24.74°N 81.02°W (Elev. 0 m)
Last Update:
10:15 am EDT Jun 13, 2025
Forecast Valid:
10am EDT Jun 13, 2025-6pm EDT Jun 19, 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