Severe Weather and Flooding Expected Across Parts of the South into the Ohio Valley

Widespread heavy rain and flash flooding is possible across the Mid-Mississippi Valley and Ohio Valley through Friday night along a slow-moving cold front. South of this front will be a severe weather threat from the Southern Plains, the Mid-South, and Lower Mississippi Valley to the Ohio Valley. Chilly temperatures and heavy mountain snowfall will persist for parts of the West. Read More >

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

A Few Clouds

76°F

24°C

Humidity 79%
Wind Speed SE 7 mph
Barometer 30.05 in (1017.5 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 24 Mar 5:53 am EDT
Extended Forecast for

Marathon FL

  • Today

    Today: A slight chance of showers before 8am.  Mostly sunny, with a high near 86. East wind around 10 mph.  Chance of precipitation is 10%.

    Slight Chance
    Showers then
    Mostly Sunny

    High: 86 °F

  • Tonight

    Tonight: Partly cloudy, with a low around 77. East wind around 15 mph.

    Partly Cloudy

    Low: 77 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 88. Southeast wind around 10 mph.

    Mostly Sunny

    High: 88 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 77. Southeast wind around 10 mph.

    Mostly Clear

    Low: 77 °F

  • Sunday

    Sunday: Sunny, with a high near 88. Southeast wind around 10 mph.

    Sunny

    High: 88 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 76.

    Mostly Clear

    Low: 76 °F

  • Monday

    Monday: Mostly sunny, with a high near 88.

    Mostly Sunny

    High: 88 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 76.

    Partly Cloudy

    Low: 76 °F

  • Tuesday

    Tuesday: Sunny, with a high near 88.

    Sunny

    High: 88 °F

Detailed Forecast

Today
A slight chance of showers before 8am. Mostly sunny, with a high near 86. East wind around 10 mph. Chance of precipitation is 10%.
Tonight
Partly cloudy, with a low around 77. East wind around 15 mph.
Saturday
Mostly sunny, with a high near 88. Southeast wind around 10 mph.
Saturday Night
Mostly clear, with a low around 77. Southeast wind around 10 mph.
Sunday
Sunny, with a high near 88. Southeast wind around 10 mph.
Sunday Night
Mostly clear, with a low around 76.
Monday
Mostly sunny, with a high near 88.
Monday Night
Partly cloudy, with a low around 76.
Tuesday
Sunny, with a high near 88.
Tuesday Night
A slight chance of showers. Mostly clear, with a low around 74. Chance of precipitation is 10%.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 83. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 73. Chance of precipitation is 20%.
Thursday
A slight chance of showers. Mostly sunny, with a high near 83. Chance of precipitation is 10%.
Click Map For Forecast
Point Forecast:
Marathon FL
 24.72°N 81.07°W (Elev. 7 ft)
6:15 am EDT Mar 24, 2023
6am EDT Mar 24, 2023-6pm EDT Mar 30, 2023
 
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