Current conditions at
The Florida Keys - Marathon International Airport (KMTH)
Lat: 24.73°NLon: 81.05°WElev: 13ft.
Partly Cloudy
78°F
26°C
| Humidity | 87% |
| Wind Speed | E 5 mph |
| Barometer | 29.97 in (1014.9 mb) |
| Dewpoint | 74°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 80°F (27°C) |
| Last update | 9 Nov 2:53 am EST |
Extended Forecast for
23 Miles NNW Long Key FL
Overnight

Low: 73 °F
Slight Chance
ShowersMonday

High: 84 °F
Slight Chance
ShowersMonday Night

Low: 73 °F
Mostly Cloudy
Tuesday

High: 84 °F
Partly Sunny
Tuesday Night

Low: 73 °F
Mostly Cloudy
Veterans Day
High: 84 °F
Slight Chance
Showers then
Slight Chance
T-stormsWednesday Night

Low: 73 °F
Partly Cloudy
Thursday
High: 83 °F
Slight Chance
T-storms then
Chance
ShowersThursday Night

Low: 73 °F
Chance
Showers
Detailed Forecast
Overnight
A 20 percent chance of showers. Partly cloudy, with a low around 73. Light east wind.
Monday
A slight chance of showers before 7am, then a slight chance of showers after noon. Sunny, with a high near 84. Northeast wind 5 to 7 mph becoming southeast in the afternoon. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 73. Northeast wind 5 to 7 mph.
Tuesday
Partly sunny, with a high near 84. Northeast wind 6 to 9 mph becoming southeast in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 73. East wind 5 to 7 mph.
Veterans Day
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 84. Southeast wind around 6 mph. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 73. Light and variable wind.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 83. Light southwest wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms. Cloudy, with a low around 73. West wind 9 to 11 mph.
Friday
A 20 percent chance of showers. Mostly cloudy, with a high near 77. Breezy.
Friday Night
Mostly cloudy, with a low around 62. Breezy.
Saturday
Sunny, with a high near 71. Breezy.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Sunny, with a high near 73.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
23 Miles NNW Long Key FL
25.14°N 80.92°W
25.14°N 80.92°W
2:56 am EST Nov 9, 2026
3am EST Nov 9, 2026-6pm EST Nov 15, 2026


