Fire Weather Concerns for the Plains; Record Warmth Spreads

Dry and breezy conditions prevail across the High Plains where elevated to locally critical conditions continue through Thursday. Meanwhile, record warmth increases and spreads across the South, Southwest and into southern California into this last weekend of February. Meanwhile, a fast moving system moves across the Plains then off the mid-Atlantic by Thursday evening. Read More >

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Fair

66°F

19°C

Humidity 68%
Wind Speed NE 5 mph
Barometer 30.09 in (1019.0 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 25 Feb 7:53 pm EST
Extended Forecast for

Marathon FL

  • Tonight

    Tonight: Partly cloudy, with a low around 67. Southeast wind around 10 mph.

    Low: 67 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 79. Southeast wind around 10 mph.

    High: 79 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers.  Partly cloudy, with a low around 70. East wind 5 to 10 mph.  Chance of precipitation is 20%.

    Low: 70 °F

    Slight Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 81. East wind around 5 mph.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: A slight chance of showers.  Partly cloudy, with a low around 70. Southeast wind around 5 mph.  Chance of precipitation is 20%.

    Low: 70 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers.  Mostly sunny, with a high near 80. Chance of precipitation is 10%.

    High: 80 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of showers.  Partly cloudy, with a low around 69. Chance of precipitation is 20%.

    Low: 69 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers.  Mostly sunny, with a high near 77. Chance of precipitation is 20%.

    High: 77 °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

Detailed Forecast

Tonight
Partly cloudy, with a low around 67. Southeast wind around 10 mph.
Thursday
Mostly sunny, with a high near 79. Southeast wind around 10 mph.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 70. East wind 5 to 10 mph. Chance of precipitation is 20%.
Friday
Sunny, with a high near 81. East wind around 5 mph.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 70. Southeast wind around 5 mph. Chance of precipitation is 20%.
Saturday
A slight chance of showers. Mostly sunny, with a high near 80. Chance of precipitation is 10%.
Saturday Night
A slight chance of showers. Partly cloudy, with a low around 69. Chance of precipitation is 20%.
Sunday
A slight chance of showers. Mostly sunny, with a high near 77. Chance of precipitation is 20%.
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 77. Chance of precipitation is 10%.
Monday Night
A slight chance of showers. Partly cloudy, with a low around 69. Chance of precipitation is 20%.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 77. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers. Mostly clear, with a low around 70. Chance of precipitation is 10%.
Wednesday
A slight chance of showers. Sunny, with a high near 77. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Marathon FL
 24.72°N 81.07°W (Elev. 7 ft)
7:15 pm EST Feb 25, 2026
8pm EST Feb 25, 2026-6pm EST Mar 4, 2026
 
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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