Fire Weather Concerns for the Plains; Thunderstorms in the Southeast; Record Warmth Spreads in the Southwest

Elevated to locally critical conditions will persist across the High Plains. Showers and scattered thunderstorms are expected over parts of the Southeast and Florida Peninsula. Clipper system will bring modest snowfall and strong winds from the Northern High Plains into the Upper Midwest this weekend. Record warmth will persist across the Southwest into the southern Plains. Read More >

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Overcast

73°F

23°C

Humidity 90%
Wind Speed E 8 mph
Barometer 30.04 in (1017.1 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 26 Feb 10:53 pm EST
Extended Forecast for

Marathon FL

  • Tonight

    Tonight: A slight chance of showers.  Mostly cloudy, with a low around 68. East wind around 5 mph.  Chance of precipitation is 10%.

    Low: 68 °F

    Slight Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 82. East wind around 5 mph.

    High: 82 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of showers.  Mostly cloudy, with a low around 69. Southeast wind around 5 mph.  Chance of precipitation is 20%.

    Low: 69 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers.  Mostly sunny, with a high near 82. Southeast wind around 5 mph.  Chance of precipitation is 10%.

    High: 82 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of showers.  Partly cloudy, with a low around 68. Northeast wind around 5 mph.  Chance of precipitation is 20%.

    Low: 68 °F

    Slight Chance
    Showers

  • Sunday

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

    High: 81 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers.  Partly cloudy, with a low around 69. Chance of precipitation is 10%.

    Low: 69 °F

    Slight Chance
    Showers

  • Monday

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

    High: 81 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers.  Partly cloudy, with a low around 68. Chance of precipitation is 20%.

    Low: 68 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
A slight chance of showers. Mostly cloudy, with a low around 68. East wind around 5 mph. Chance of precipitation is 10%.
Friday
Mostly sunny, with a high near 82. East wind around 5 mph.
Friday Night
A slight chance of showers. Mostly cloudy, with a low around 69. Southeast wind around 5 mph. Chance of precipitation is 20%.
Saturday
A slight chance of showers. Mostly sunny, with a high near 82. Southeast wind around 5 mph. Chance of precipitation is 10%.
Saturday Night
A slight chance of showers. Partly cloudy, with a low around 68. Northeast wind around 5 mph. Chance of precipitation is 20%.
Sunday
A slight chance of showers. Mostly sunny, with a high near 81. Chance of precipitation is 10%.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 69. Chance of precipitation is 10%.
Monday
A slight chance of showers. Mostly sunny, with a high near 81. Chance of precipitation is 10%.
Monday Night
A slight chance of showers. Partly cloudy, with a low around 68. Chance of precipitation is 20%.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 81. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 69. Chance of precipitation is 20%.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 82. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 69. Chance of precipitation is 20%.
Thursday
A slight chance of showers. Mostly sunny, with a high near 82. 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)
10:15 pm EST Feb 26, 2026
10pm EST Feb 26, 2026-6pm EST Mar 5, 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