Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Fair

81°F

27°C

Humidity 72%
Wind Speed E 6 mph
Barometer 30.03 in (1016.7 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 9 Nov 5:53 pm EST
Extended Forecast for

23 Miles NNW Long Key FL

  • Tonight

    Tonight: A slight chance of showers between 10pm and 1am.  Partly cloudy, with a low around 73. East wind around 6 mph.  Chance of precipitation is 20%.

    Low: 73 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 84. Northeast wind 5 to 9 mph becoming southeast in the afternoon.

    High: 84 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 74. East wind 3 to 6 mph.

    Low: 74 °F

    Mostly Cloudy

  • Veterans Day

    Veterans Day: Mostly sunny, with a high near 84. Southeast wind 3 to 7 mph.

    High: 84 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 74. Calm wind.

    Low: 74 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers before 1pm, then a slight chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers after 4pm.  Mostly cloudy, with a high near 83. Light west wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 18 mph.  Chance of precipitation is 20%.

    High: 83 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 74. West wind 8 to 10 mph.

    Low: 74 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers before 1pm.  Mostly cloudy, with a high near 77. Breezy, with a northwest wind 10 to 16 mph, with gusts as high as 21 mph.

    High: 77 °F

    Chance
    Showers and
    Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 62. North wind around 15 mph, with gusts as high as 22 mph.

    Low: 62 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 73. East wind around 6 mph. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 84. Northeast wind 5 to 9 mph becoming southeast in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 74. East wind 3 to 6 mph.
Veterans Day
Mostly sunny, with a high near 84. Southeast wind 3 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 74. Calm wind.
Thursday
A slight chance of showers before 1pm, then a slight chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers after 4pm. Mostly cloudy, with a high near 83. Light west wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 20%.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 74. West wind 8 to 10 mph.
Friday
A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 77. Breezy, with a northwest wind 10 to 16 mph, with gusts as high as 21 mph.
Friday Night
Mostly cloudy, with a low around 62. North wind around 15 mph, with gusts as high as 22 mph.
Saturday
Sunny, with a high near 71. Breezy.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Sunny, with a high near 75.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 67.
Monday
A 20 percent chance of showers. Partly sunny, with a high near 77. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
23 Miles NNW Long Key FL
 25.14°N 80.95°W
3:21 pm EST Nov 9, 2026
6pm EST Nov 9, 2026-6pm EST Nov 16, 2026
 
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Additional Resources

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