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

Dangerous Cold and Gusty Winds Anticipated This Weekend

A significant arctic outbreak will bring frigid temperatures and dangerously cold wind chills to the Northeast and Mid-Atlantic this weekend. Strong winds which could produce tree damage and power outages, and periods of snow squalls are also possible. Relief from this cold and a warming trend is forecast to commence by the beginning to middle of next week. Read More >

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Partly Cloudy

57°F

14°C

Humidity 72%
Wind Speed NW 7 mph
Barometer 30.09 in (1019.0 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 6 Feb 3:53 am EST
Extended Forecast for

Marathon Shores FL

  • Today

    Today: Mostly sunny, with a high near 64. Northwest wind 10 to 15 mph.

    High: 64 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 57. Northwest wind 10 to 15 mph.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 71. Northwest wind 10 to 15 mph.

    High: 71 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57. Northwest wind around 15 mph becoming northeast after midnight.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 69. Northeast wind 10 to 15 mph.

    High: 69 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 64. Northwest wind 10 to 15 mph.
Tonight
Mostly clear, with a low around 57. Northwest wind 10 to 15 mph.
Saturday
Sunny, with a high near 71. Northwest wind 10 to 15 mph.
Saturday Night
Mostly clear, with a low around 57. Northwest wind around 15 mph becoming northeast after midnight.
Sunday
Sunny, with a high near 69. Northeast wind 10 to 15 mph.
Sunday Night
Mostly clear, with a low around 60.
Monday
Sunny, with a high near 71.
Monday Night
Mostly clear, with a low around 62.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 64.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
Sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marathon Shores FL
 24.74°N 81.04°W (Elev. 0 ft)
Last Update:
3:15 am EST Feb 6, 2026
Forecast Valid:
4am EST Feb 6, 2026-6pm EST Feb 12, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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