


Current conditions at
The Florida Keys - Marathon International Airport (KMTH)
Lat: 24.73°NLon: 81.05°WElev: 13ft.
Fair
85°F
29°C
Humidity | 68% |
Wind Speed | E 13 mph |
Barometer | 30.08 in (1018.6 mb) |
Dewpoint | 73°F (23°C) |
Visibility | 10.00 mi |
Heat Index | 92°F (33°C) |
Last update | 24 Jun 7:53 pm EDT |
Extended Forecast for
31 Miles N Marathon Airport FL
Tonight
Low: 78 °F
Chance
T-storms then
Chance
ShowersWednesday
High: 86 °F
Showers
Likely then
Chance
T-stormsWednesday Night
Low: 78 °F
T-storms
Likely then
Showers
LikelyThursday
High: 86 °F
Showers
Likely then
T-storms
LikelyThursday Night
Low: 79 °F
T-storms
LikelyFriday
High: 87 °F
T-storms
LikelyFriday Night
Low: 79 °F
T-storms
Likely then
Chance
T-stormsSaturday
High: 86 °F
Chance
T-stormsSaturday Night
Low: 78 °F
Slight Chance
T-storms
Detailed Forecast
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 5am. Partly cloudy, with a low around 78. East wind 9 to 13 mph, with gusts as high as 20 mph.
Wednesday
A chance of showers and thunderstorms before 10am, then showers likely and possibly a thunderstorm between 10am and 11am, then a chance of showers and thunderstorms after 11am. Sunny, with a high near 86. Northeast wind 10 to 14 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 78. East wind 7 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 86. Southeast wind 6 to 11 mph. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 79. Southeast wind 7 to 9 mph. Chance of precipitation is 60%.
Friday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 87. Southeast wind 7 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 79. East wind 8 to 10 mph. Chance of precipitation is 60%.
Saturday
A 40 percent chance of showers and thunderstorms, mainly after 8am. Mostly sunny, with a high near 86. Southeast wind 9 to 14 mph, with gusts as high as 20 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78. East wind 7 to 10 mph.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78.
Monday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 80.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
31 Miles N Marathon Airport FL
25.19°N 81.15°W
25.19°N 81.15°W
8:02 pm EDT Jun 24, 2025
8pm EDT Jun 24, 2025-6pm EDT Jul 1, 2025