National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Isaias to Bring Tropical Impacts Across to the East Coast

Isaias is forecast to make landfall tonight in the Carolinas with dangerous storm surge, flash flooding, damaging winds, and isolated tropical tornadoes. Isaias may strengthen briefly prior to landfall, but the impacts will be the same regardless of the categorical definition. Isaias impacts will be felt all along the East Coast as Isaias moves northward through mid-week. Read More >

Hazardous Weather Conditions

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Mostly Cloudy

N/A

Humidity NA
Wind Speed S 9 km/h
Barometer 1013.3 mb (29.92 in)
Dewpoint N/A
Visibility 16 km
Last update 3 Aug 4:53 pm EDT
Extended Forecast for

Marathon Shores FL

  • This
    Afternoon

    This Afternoon: A chance of showers and thunderstorms. Mostly sunny, with a high near 32. West wind around 10 km/h. Chance of precipitation is 30%.

    Chance
    Showers

    High: 32 °C

  • Tonight

    Tonight: A chance of showers and thunderstorms. Partly cloudy, with a low around 27. West wind 5 to 10 km/h becoming south after midnight. Chance of precipitation is 30%.

    Chance
    Showers

    Low: 27 °C

  • Tuesday

    Tuesday: A chance of showers and thunderstorms. Mostly sunny, with a high near 32. South wind 5 to 10 km/h. Chance of precipitation is 30%.

    Chance
    T-storms

    High: 32 °C

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 27. Southeast wind around 10 km/h. Chance of precipitation is 40%.

    Chance
    T-storms

    Low: 27 °C

  • Wednesday

    Wednesday: A chance of showers and thunderstorms. Partly sunny, with a high near 32. Southeast wind around 10 km/h. Chance of precipitation is 40%.

    Chance
    T-storms

    High: 32 °C

  • Wednesday
    Night

    Wednesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 27. Chance of precipitation is 30%.

    Chance
    T-storms

    Low: 27 °C

  • Thursday

    Thursday: A chance of showers and thunderstorms. Partly sunny, with a high near 32. Chance of precipitation is 40%.

    Chance
    T-storms

    High: 32 °C

  • Thursday
    Night

    Thursday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 27. Chance of precipitation is 30%.

    Chance
    T-storms

    Low: 27 °C

  • Friday

    Friday: A chance of showers and thunderstorms. Mostly sunny, with a high near 32. Chance of precipitation is 30%.

    Chance
    T-storms

    High: 32 °C

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms. Mostly sunny, with a high near 32. West wind around 10 km/h. Chance of precipitation is 30%.
Tonight
A chance of showers and thunderstorms. Partly cloudy, with a low around 27. West wind 5 to 10 km/h becoming south after midnight. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 32. South wind 5 to 10 km/h. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 27. Southeast wind around 10 km/h. Chance of precipitation is 40%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 32. Southeast wind around 10 km/h. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 27. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 32. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 27. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 32. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 27. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 32. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 27. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 32. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 27. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 32. Chance of precipitation is 30%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Marathon Shores FL
 24.72°N 81.05°W (Elev. 0 m)
Last Update:
5:15 pm EDT Aug 3, 2020
Forecast Valid:
5pm EDT Aug 3, 2020-6pm EDT Aug 10, 2020
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation