Notice of NWS' New Version of Forecast
A new version of Forecast is coming soon!
Click here to visit the new site for details.

Stormy Weather Along the East Coast; Extended Warm-up for the West

A strong low pressure system will bring heavy rain, gusty winds, and thunderstorms along the east coast. Isolated severe thunderstorms could produce damaging winds and a few tornadoes in the Southeast. Heavy rains may result in excessive runoff and flash flooding. Building high pressure out west will produce above normal temperatures, especially, in the Pacific Northwest. Read More >

Hazardous Weather Conditions

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 0ft.

Fair

89°F

32°C

Humidity 55%
Wind Speed SW 7 mph
Barometer 30.00 in (1015.8 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 24 Apr 12:53 pm EDT
Extended Forecast for

Marathon FL

  • This
    Afternoon

    This Afternoon: Sunny, with a high near 87. West wind around 5 mph.

    Sunny

    High: 87 °F

  • Tonight

    Tonight: A chance of showers after 11pm.  Increasing clouds, with a low around 75. Northwest wind around 5 mph.  Chance of precipitation is 30%.

    Chance
    Showers

    Low: 75 °F

  • Wednesday

    Wednesday: A chance of showers before 10am.  Cloudy through mid morning, then gradual clearing, with a high near 84. North wind 5 to 10 mph.  Chance of precipitation is 30%.

    Chance
    Showers then
    Mostly Sunny

    High: 84 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 73. Northwest wind around 5 mph.

    Mostly Clear

    Low: 73 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 85. North wind around 5 mph becoming calm  in the morning.

    Mostly Sunny

    High: 85 °F

  • Thursday
    Night

    Thursday Night: Mostly cloudy, with a low around 73.

    Mostly Cloudy

    Low: 73 °F

  • Friday

    Friday: A chance of showers.  Mostly cloudy, with a high near 85. Chance of precipitation is 30%.

    Chance
    Showers

    High: 85 °F

  • Friday
    Night

    Friday Night: A chance of showers.  Mostly cloudy, with a low around 74. Chance of precipitation is 30%.

    Chance
    Showers

    Low: 74 °F

  • Saturday

    Saturday: A chance of showers.  Mostly cloudy, with a high near 85. Chance of precipitation is 30%.

    Chance
    Showers

    High: 85 °F

Detailed Forecast

This Afternoon
Sunny, with a high near 87. West wind around 5 mph.
Tonight
A chance of showers after 11pm. Increasing clouds, with a low around 75. Northwest wind around 5 mph. Chance of precipitation is 30%.
Wednesday
A chance of showers before 10am. Cloudy through mid morning, then gradual clearing, with a high near 84. North wind 5 to 10 mph. Chance of precipitation is 30%.
Wednesday Night
Mostly clear, with a low around 73. Northwest wind around 5 mph.
Thursday
Mostly sunny, with a high near 85. North wind around 5 mph becoming calm in the morning.
Thursday Night
Mostly cloudy, with a low around 73.
Friday
A chance of showers. Mostly cloudy, with a high near 85. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 74. Chance of precipitation is 30%.
Saturday
A chance of showers. Mostly cloudy, with a high near 85. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Partly cloudy, with a low around 73. Chance of precipitation is 30%.
Sunday
A slight chance of showers. Mostly sunny, with a high near 85. Chance of precipitation is 10%.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 75. Chance of precipitation is 10%.
Monday
A slight chance of showers. Mostly sunny, with a high near 84. Chance of precipitation is 10%.
Click Map For Forecast
Point Forecast:
Marathon FL
 24.72°N 81.1°W (Elev. 0 ft)
1:15 pm EDT Apr 24, 2018
1pm EDT Apr 24, 2018-6pm EDT Apr 30, 2018
 
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