National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Partly Cloudy

79°F

26°C

Humidity 82%
Wind Speed Vrbl 7 mph
Barometer 29.98 in (1015.2 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 8 Nov 7:53 am EST
Extended Forecast for

25 Miles NNW Long Key FL

  • Today

    Today: Mostly sunny, with a high near 85. Northeast wind around 6 mph becoming light and variable in the afternoon.

    High: 85 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 72. Light northeast wind.

    Low: 72 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 84. Light and variable wind becoming northeast around 5 mph.

    High: 84 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 72. Northeast wind 3 to 5 mph.

    Low: 72 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 84. East wind 5 to 8 mph.

    High: 84 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 72. East wind around 5 mph becoming calm in the evening.

    Low: 72 °F

    Mostly Cloudy

  • Veterans Day

    Veterans Day: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 84. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 84 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 73. Light and variable wind.

    Low: 73 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 80. Southwest wind 5 to 11 mph.

    High: 80 °F

    Partly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 85. Northeast wind around 6 mph becoming light and variable in the afternoon.
Tonight
Partly cloudy, with a low around 72. Light northeast wind.
Monday
Mostly sunny, with a high near 84. Light and variable wind becoming northeast around 5 mph.
Monday Night
Partly cloudy, with a low around 72. Northeast wind 3 to 5 mph.
Tuesday
Partly sunny, with a high near 84. East wind 5 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around 72. East wind around 5 mph becoming calm in the evening.
Veterans Day
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 84. Calm wind becoming southeast around 5 mph in the afternoon.
Wednesday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 73. Light and variable wind.
Thursday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 80. Southwest wind 5 to 11 mph.
Thursday Night
A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 73. Chance of precipitation is 30%.
Friday
A 30 percent chance of showers. Mostly cloudy, with a high near 77.
Friday Night
Mostly cloudy, with a low around 63. Breezy.
Saturday
Mostly sunny, with a high near 71. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
25 Miles NNW Long Key FL
 25.16°N 80.92°W
Last Update:
3:32 am EST Nov 8, 2026
Forecast Valid:
8am EST Nov 8, 2026-6pm EST Nov 14, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation