Winter Returns Across the Northern Tier; Record Warmth for the Southwest

A large high pressure system will usher in cold air for this first day of March across the northern Plains, Great Lakes, Northeast and mid-Atlantic. Some wintry precipitation may evolve across the mid-Mississippi Valley, Ohio Valley and mid-Atlantic through Monday. Meanwhile, record warmth will spread across the Southwest, southern Plains through early this week. Read More >

Hazardous Weather Conditions

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Marathon FL

  • Today

    Today: A slight chance of showers.  Sunny, with a high near 78. East wind 10 to 15 mph.  Chance of precipitation is 10%.

    High: 78 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers.  Partly cloudy, with a low around 71. East wind around 15 mph.  Chance of precipitation is 20%.

    Low: 71 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers.  Sunny, with a high near 79. East wind 10 to 15 mph.  Chance of precipitation is 10%.

    High: 79 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers.  Mostly clear, with a low around 71. East wind around 15 mph.  Chance of precipitation is 20%.

    Low: 71 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers.  Sunny, with a high near 79. East wind around 15 mph.  Chance of precipitation is 20%.

    High: 79 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers.  Partly cloudy, with a low around 72. Chance of precipitation is 20%.

    Low: 72 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers.  Mostly sunny, with a high near 80. Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers.  Partly cloudy, with a low around 73. Chance of precipitation is 20%.

    Low: 73 °F

    Slight Chance
    Showers

  • Friday

    Friday: A slight chance of showers.  Mostly sunny, with a high near 79. Chance of precipitation is 20%.

    High: 79 °F

    Slight Chance
    Showers

Detailed Forecast

Today
A slight chance of showers. Sunny, with a high near 78. East wind 10 to 15 mph. Chance of precipitation is 10%.
Tonight
A slight chance of showers. Partly cloudy, with a low around 71. East wind around 15 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of showers. Sunny, with a high near 79. East wind 10 to 15 mph. Chance of precipitation is 10%.
Tuesday Night
A slight chance of showers. Mostly clear, with a low around 71. East wind around 15 mph. Chance of precipitation is 20%.
Wednesday
A slight chance of showers. Sunny, with a high near 79. East wind around 15 mph. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 72. Chance of precipitation is 20%.
Thursday
A slight chance of showers. Mostly sunny, with a high near 80. Chance of precipitation is 20%.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 73. Chance of precipitation is 20%.
Friday
A slight chance of showers. Mostly sunny, with a high near 79. Chance of precipitation is 20%.
Friday Night
A slight chance of showers. Mostly cloudy, with a low around 72. Chance of precipitation is 20%.
Saturday
A chance of showers. Partly sunny, with a high near 79. Chance of precipitation is 30%.
Saturday Night
A slight chance of showers. Mostly cloudy, with a low around 72. Chance of precipitation is 20%.
Sunday
A slight chance of showers. Partly sunny, with a high near 79. Chance of precipitation is 20%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Marathon FL
 24.72°N 81.07°W (Elev. 7 ft)
8:15 am EST Mar 2, 2026
8am EST Mar 2, 2026-6pm EDT Mar 8, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database