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

Storm System to Move Across the Ohio Valley to the Mid-Atlantic and Northeast

Isolated severe thunderstorms will be possible on Veterans Day across parts of the lower Ohio and western Tennessee Valleys. A developing storm will bring rain and gusty winds to the Mid-Atlantic and Northeast on Thursday, with the first accumulating snow likely in the higher elevations of the central Appalachians and interior Northeast. Read More >

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Fair

80°F

27°C

Humidity 76%
Wind Speed E 7 mph
Barometer 30.09 in (1018.9 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 10 Nov 9:53 pm EST
Extended Forecast for

Marathon FL

  • Tonight

    Tonight: Mostly cloudy, with a low around 78. East wind 5 to 10 mph.

    Low: 78 °F

    Mostly Cloudy

  • Veterans Day

    Veterans Day: Mostly cloudy, then gradually becoming sunny, with a high near 83. East wind 5 to 10 mph.

    High: 83 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: A slight chance of showers. Partly cloudy, with a low around 77. Southeast wind around 5 mph. Chance of precipitation is 10%.

    Low: 77 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers. Partly sunny, with a high near 82. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 82 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 75. West wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 75 °F

    Chance
    Showers

  • Friday

    Friday: Mostly cloudy, with a high near 80.

    High: 80 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 67.

    Low: 67 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 75. Breezy.

    High: 75 °F

    Mostly Sunny
    and Breezy
    then Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 78. East wind 5 to 10 mph.
Veterans Day
Mostly cloudy, then gradually becoming sunny, with a high near 83. East wind 5 to 10 mph.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 77. Southeast wind around 5 mph. Chance of precipitation is 10%.
Thursday
A slight chance of showers. Partly sunny, with a high near 82. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 75. West wind 5 to 10 mph. Chance of precipitation is 30%.
Friday
Mostly cloudy, with a high near 80.
Friday Night
Mostly cloudy, with a low around 67.
Saturday
Sunny, with a high near 75. Breezy.
Saturday Night
Partly cloudy, with a low around 69.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
A slight chance of showers. Mostly cloudy, with a low around 74. Breezy. Chance of precipitation is 20%.
Monday
A chance of showers. Partly sunny, with a high near 81. Windy. Chance of precipitation is 40%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Windy. Chance of precipitation is 40%.
Tuesday
A chance of showers. Partly sunny, with a high near 81. Windy. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marathon FL
 24.72°N 81.1°W (Elev. 0 ft)
Last Update:
9:15 pm EST Nov 10, 2026
Forecast Valid:
10pm EST Nov 10, 2026-6pm EST Nov 17, 2026
 
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Additional Resources

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Chance of Precipitation