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

Gusty Winds in the Mid-Atlantic and Northeast; Atmospheric River to Impact the Northwest

Gusty winds are expected from portions of the Mid-Atlantic into the Northeast through the night following the system that brought rain to the area. An atmospheric river will move into the Northwest late today into Saturday bringing moderate to heavy rainfall, mountain snow, windy conditions, and high surf to the area over the weekend. Read More >

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Overcast

72°F

22°C

Humidity 71%
Wind Speed NE 7 mph
Barometer 30.06 in (1018.0 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 1 Nov 9:53 am EDT
Extended Forecast for

Marathon FL

  • Today

    Today: A slight chance of showers. Partly sunny, with a high near 79. Northeast wind around 10 mph. Chance of precipitation is 20%.

    High: 79 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers. Partly cloudy, with a low around 73. East wind around 10 mph. Chance of precipitation is 10%.

    Low: 73 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers. Mostly sunny, with a high near 81. Northeast wind around 10 mph. Chance of precipitation is 20%.

    High: 81 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers. Mostly cloudy, with a low around 74. Northeast wind around 10 mph. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    Showers

  • Monday

    Monday: A slight chance of showers. Mostly sunny, with a high near 82. North wind around 15 mph. Chance of precipitation is 10%.

    High: 82 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers. Partly cloudy, with a low around 73. Chance of precipitation is 10%.

    Low: 73 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers. Mostly sunny, with a high near 81. Chance of precipitation is 10%.

    High: 81 °F

    Slight Chance
    Showers

Detailed Forecast

Today
A slight chance of showers. Partly sunny, with a high near 79. Northeast wind around 10 mph. Chance of precipitation is 20%.
Tonight
A slight chance of showers. Partly cloudy, with a low around 73. East wind around 10 mph. Chance of precipitation is 10%.
Sunday
A slight chance of showers. Mostly sunny, with a high near 81. Northeast wind around 10 mph. Chance of precipitation is 20%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 74. Northeast wind around 10 mph. Chance of precipitation is 30%.
Monday
A slight chance of showers. Mostly sunny, with a high near 82. North wind around 15 mph. Chance of precipitation is 10%.
Monday Night
Partly cloudy, with a low around 71.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 73. Chance of precipitation is 10%.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 81. Chance of precipitation is 10%.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 74. Chance of precipitation is 20%.
Thursday
A slight chance of showers. Mostly sunny, with a high near 81. Chance of precipitation is 10%.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 76. Chance of precipitation is 10%.
Friday
A slight chance of showers. Mostly sunny, with a high near 82. Chance of precipitation is 10%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marathon FL
 24.72°N 81.1°W (Elev. 0 ft)
Last Update:
10:15 am EDT Nov 1, 2025
Forecast Valid:
10am EDT Nov 1, 2025-6pm EST Nov 7, 2025
 
Forecast Discussion
 
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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