Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

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

Fair

92°F

33°C

Humidity 54%
Wind Speed Calm
Barometer 29.92 in (1013.2 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 18 Aug 12:53 pm EDT
Detailed forecast for

Monroe Middle Keys

This Afternoon
Mostly sunny with a slight chance of showers and thunderstorms. Highs near 90. Variable winds near 5 mph, becoming northwest. Chance of rain 20 percent.
Tonight
Mostly clear with a chance of showers and a slight chance of thunderstorms. Lows in the lower 80s. Northwest winds near 5 mph. Chance of rain 30 percent.
Tuesday
Mostly sunny with a chance of showers and a slight chance of thunderstorms. Highs in the lower 90s. Northwest winds 5 to 10 mph. Chance of rain 30 percent.
Tuesday Night
Partly cloudy with a chance of showers and a slight chance of thunderstorms. Lows in the lower 80s. Northwest winds 5 to 10 mph. Chance of rain 30 percent.
Wednesday
Mostly sunny with a chance of showers and a slight chance of thunderstorms. Highs near 90. West winds near 10 mph. chance of rain 30 percent.
Wednesday Night And Thursday
Partly cloudy with a chance of showers and a slight chance of thunderstorms. Lows in the lower 80s. Highs in the lower 90s. Chance of rain 30 percent.
Thursday Night And Friday
Mostly clear with a chance of showers and a slight chance of thunderstorms. Lows in the lower 80s. Highs near 90. Chance of rain 30 percent.
Friday Night
Partly cloudy with a chance of showers and a slight chance of thunderstorms. Lows in the lower 80s. Chance of rain 30 percent.
Saturday
Mostly sunny with a chance of showers and a slight chance of thunderstorms. Highs near 90. Chance of rain 30 percent.
Saturday Night
Partly cloudy with a chance of showers and a slight chance of thunderstorms. Lows in the lower 80s. Chance of rain 30 percent.
Sunday
Mostly sunny with a chance of showers and a slight chance of thunderstorms. Highs near 90. Chance of rain 30 percent.



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1030 AM EDT Mon Aug 18 2025
 
 

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