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Hazardous Weather Conditions
Current conditions at
The Florida Keys - Marathon International Airport (KMTH)
Lat: 24.73°NLon: 81.05°WElev: 13ft.
Fair
82°F
28°C
Humidity | 74% |
Wind Speed | S 5 mph |
Barometer | 30.00 in (1015.9 mb) |
Dewpoint | 73°F (23°C) |
Visibility | 10.00 mi |
Heat Index | 87°F (31°C) |
Last update | 15 Jul 4:53 am EDT |
Extended Forecast for
Marathon FL
Today
High: 87 °F
Showers
Tonight
Low: 79 °F
Showers
LikelyWednesday
High: 89 °F
Showers
LikelyWednesday Night
Low: 82 °F
Chance
ShowersThursday
High: 91 °F
Chance
ShowersThursday Night
Low: 82 °F
Chance
ShowersFriday
High: 92 °F
Chance
ShowersFriday Night
Low: 83 °F
Slight Chance
T-stormsSaturday
High: 92 °F
Slight Chance
T-storms
Detailed Forecast
Today
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 87. South wind around 5 mph. Chance of precipitation is 80%.
Tonight
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 79. Southeast wind 5 to 10 mph. Chance of precipitation is 60%.
Wednesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 89. Southeast wind 10 to 15 mph. Chance of precipitation is 70%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 82. East wind 10 to 15 mph. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 91. Southeast wind around 15 mph. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 82. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Chance of precipitation is 30%.
Friday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 83. Chance of precipitation is 20%.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 92. Chance of precipitation is 20%.
Saturday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 82. Chance of precipitation is 20%.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 82. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Chance of precipitation is 40%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Marathon FL
24.72°N 81.07°W (Elev. 7 ft)
24.72°N 81.07°W (Elev. 7 ft)
6:15 am EDT Jul 15, 2025
6am EDT Jul 15, 2025-6pm EDT Jul 21, 2025