Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73° N Lon: 81.05° W Elev: 13 ft.

Fair

81°F

27°C

Humidity 77%
Wind Speed Calm
Barometer 30.01 in (1016.1 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 13 Jun 6:53 am EDT
Detailed forecast for

Monroe Middle Keys

Today
Mostly sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. East to southeast winds near 5 mph. Chance of rain 20 percent.
Tonight
Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 80s. East to southeast winds near 5 mph. Chance of rain 10 percent.
Sunday
Mostly sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. Southeast winds near 5 mph. Chance of rain 10 percent.
Sunday Night
Partly cloudy. Lows in the lower 80s. Southeast to south winds near 5 mph.
Monday
Partly sunny with a slight chance of showers and thunderstorms. Highs near 90. South winds near 5 mph. Chance of rain 10 percent.
Monday Night Through Wednesday
Mostly clear. Lows in the lower 80s. Highs near 90.
Wednesday Night And Thursday
Partly cloudy. Lows in the lower 80s. Highs in the upper 80s.
Thursday Night And Juneteenth
Partly cloudy with a slight chance of showers. Lows in the lower 80s. Highs in the upper 80s. Chance of rain 10 percent.



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400 AM EDT Sat Jun 13 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database