Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Fair

77°F

25°C

Humidity 71%
Wind Speed N 10 G 20 mph
Barometer 29.82 in (1009.9 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 13 Nov 6:53 pm EST
Extended Forecast for

25 Miles NW Long Key FL

  • Tonight

    Tonight: Mostly clear, with a low around 63. North wind 9 to 11 mph, with gusts as high as 20 mph.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 74. North wind 11 to 13 mph, with gusts as high as 20 mph.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 59. North wind 9 to 11 mph, with gusts as high as 20 mph.

    Low: 59 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 79. North wind 10 to 13 mph, with gusts as high as 20 mph.

    High: 79 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 67. Northeast wind 9 to 11 mph, with gusts as high as 20 mph.

    Low: 67 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 81. Breezy, with an east wind 13 to 20 mph, with gusts as high as 28 mph.

    High: 81 °F

    Sunny and
    Breezy

  • Monday Night

    Monday Night: A 20 percent chance of showers after 1am.  Partly cloudy, with a low around 69. Breezy, with a northeast wind 13 to 16 mph, with gusts as high as 25 mph.

    Low: 69 °F

    Partly Cloudy
    and Breezy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm.  Mostly cloudy, with a high near 81. Windy, with an east wind 16 to 22 mph, with gusts as high as 30 mph.  Chance of precipitation is 30%.

    High: 81 °F

    Chance
    Showers and
    Windy

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers.  Mostly cloudy, with a low around 70. Breezy, with a northeast wind 11 to 16 mph, with gusts as high as 25 mph.

    Low: 70 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Tonight
Mostly clear, with a low around 63. North wind 9 to 11 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 74. North wind 11 to 13 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 59. North wind 9 to 11 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 79. North wind 10 to 13 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 67. Northeast wind 9 to 11 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 81. Breezy, with an east wind 13 to 20 mph, with gusts as high as 28 mph.
Monday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 69. Breezy, with a northeast wind 13 to 16 mph, with gusts as high as 25 mph.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 81. Windy, with an east wind 16 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 70. Breezy, with a northeast wind 11 to 16 mph, with gusts as high as 25 mph.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 81. Breezy.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 70. Breezy.
Thursday
A 20 percent chance of showers. Sunny, with a high near 82. Breezy.
Thursday Night
Partly cloudy, with a low around 70.
Friday
Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
25 Miles NW Long Key FL
 25.13°N 81.05°W
3:36 pm EST Nov 13, 2026
7pm EST Nov 13, 2026-6pm EST Nov 20, 2026
 
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Additional Resources

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