Heavy rain expected across the Mid-Atlantic region and central Appalachians.

Heavy rainfall is possible over portions of the eastern United States today, with the highest risk across the Mid-Atlantic and central Appalachians. Click the "Read More" link for excessive rainfall forecasts from the Weather Prediction Center. Afternoon showers and thunderstorms are possible over portions of the Southwest and southern Rockies through Friday. Read More >

Hazardous Weather Conditions

Current conditions at

Marathon, Marathon Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 7ft.

A Few Clouds

83°F

28°C

Humidity 77%
Wind Speed SE 5 mph
Barometer 30.00 in (1015.6 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 30 Sep 5:53 am EDT
Extended Forecast for

23 Miles NNW Long Key FL

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly after 8am.  Partly sunny, with a high near 87. East wind 3 to 6 mph.

    Chance
    T-storms

    High: 87 °F

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 2am.  Mostly cloudy, with a low around 78. East wind around 7 mph.

    Chance
    T-storms

    Low: 78 °F

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly after 8am.  Partly sunny, with a high near 87. East wind 8 to 10 mph.

    Chance
    T-storms

    High: 87 °F

  • Saturday
    Night

    Saturday Night: A 30 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 78. East wind 9 to 11 mph.

    Chance
    T-storms

    Low: 78 °F

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 85. Northeast wind 9 to 13 mph.

    Chance
    T-storms

    High: 85 °F

  • Sunday
    Night

    Sunday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 78. East wind 11 to 13 mph.

    Chance
    T-storms

    Low: 78 °F

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 86. East wind around 9 mph.

    Chance
    T-storms

    High: 86 °F

  • Monday
    Night

    Monday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 77. East wind around 11 mph.

    Chance
    T-storms

    Low: 77 °F

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 85. Northeast wind 11 to 13 mph.

    Chance
    T-storms

    High: 85 °F

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after 8am. Partly sunny, with a high near 87. East wind 3 to 6 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 78. East wind around 7 mph.
Saturday
A 50 percent chance of showers and thunderstorms, mainly after 8am. Partly sunny, with a high near 87. East wind 8 to 10 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78. East wind 9 to 11 mph.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. Northeast wind 9 to 13 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78. East wind 11 to 13 mph.
Monday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 86. East wind around 9 mph.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. East wind around 11 mph.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85. Northeast wind 11 to 13 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78.
Thursday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Click Map For Forecast
Point Forecast:
23 Miles NNW Long Key FL
 25.14°N 80.95°W
4:45 am EDT Sep 30, 2016
6am EDT Sep 30, 2016-6pm EDT Oct 6, 2016
 
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Additional Resources

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Hourly Weather Forecast

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