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: 0ft.

Fair

69°F

21°C

Humidity 57%
Wind Speed N 6 mph
Barometer 30.13 in (1020.2 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 18 Dec 9:53 am EST
Extended Forecast for

Marathon FL

  • Today

    Today: Sunny, with a high near 74. North wind around 5 mph.

    Sunny

    High: 74 °F

  • Tonight

    Tonight: Mostly clear, with a low around 64. North wind around 5 mph.

    Mostly Clear

    Low: 64 °F

  • Wednesday

    Wednesday: A chance of showers. Partly sunny, with a high near 78. Northeast wind 5 to 10 mph. Chance of precipitation is 30%.

    Chance
    Showers

    High: 78 °F

  • Wednesday
    Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 74. East wind 10 to 15 mph. Chance of precipitation is 50%.

    Chance
    Showers

    Low: 74 °F

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm. Some of the storms could produce gusty winds and heavy rain. Mostly cloudy, with a high near 83. Breezy, with a south wind 15 to 20 mph. Chance of precipitation is 70%.

    Heavy Rain
    and Breezy

    High: 83 °F

  • Thursday
    Night

    Thursday Night: Showers likely and possibly a thunderstorm. Some of the storms could produce gusty winds and heavy rain. Mostly cloudy, with a low around 71. Windy. Chance of precipitation is 70%.

    Heavy Rain
    and Windy

    Low: 71 °F

  • Friday

    Friday: A chance of showers. Partly sunny, with a high near 74. Windy. Chance of precipitation is 30%.

    Chance
    Showers and
    Windy

    High: 74 °F

  • Friday
    Night

    Friday Night: A slight chance of showers. Partly cloudy, with a low around 63. Windy. Chance of precipitation is 10%.

    Slight Chance
    Showers and
    Windy

    Low: 63 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 73.

    Mostly Sunny

    High: 73 °F

Detailed Forecast

Today
Sunny, with a high near 74. North wind around 5 mph.
Tonight
Mostly clear, with a low around 64. North wind around 5 mph.
Wednesday
A chance of showers. Partly sunny, with a high near 78. Northeast wind 5 to 10 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 74. East wind 10 to 15 mph. Chance of precipitation is 50%.
Thursday
Showers likely and possibly a thunderstorm. Some of the storms could produce gusty winds and heavy rain. Mostly cloudy, with a high near 83. Breezy, with a south wind 15 to 20 mph. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm. Some of the storms could produce gusty winds and heavy rain. Mostly cloudy, with a low around 71. Windy. Chance of precipitation is 70%.
Friday
A chance of showers. Partly sunny, with a high near 74. Windy. Chance of precipitation is 30%.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 63. Windy. Chance of precipitation is 10%.
Saturday
Mostly sunny, with a high near 73.
Saturday Night
Mostly clear, with a low around 62.
Sunday
Sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 66.
Monday
Mostly sunny, with a high near 77.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Marathon FL
 24.72°N 81.07°W (Elev. 7 ft)
Last Update:
9:15 am EST Dec 18, 2018
Forecast Valid:
10am EST Dec 18, 2018-6pm EST Dec 24, 2018
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation