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

Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Mostly Cloudy

76°F

24°C

Humidity 74%
Wind Speed E 15 mph
Barometer 30.11 in (1019.4 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 10 Jan 1:53 am EST
Extended Forecast for

5 Miles W Marathon FL

  • Overnight

    Overnight: Isolated showers. Partly cloudy, with a low around 73. Breezy, with an east wind 15 to 20 mph. Chance of precipitation is 10%.

    Low: 73 °F

    Isolated
    Showers and
    Breezy

  • Saturday

    Saturday: Mostly sunny, with a high near 78. East wind around 15 mph.

    High: 78 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Isolated showers. Mostly cloudy, with a low around 72. East wind 10 to 15 mph. Chance of precipitation is 20%.

    Low: 72 °F

    Isolated
    Showers

  • Sunday

    Sunday: Isolated showers. Partly sunny, with a high near 78. East wind around 10 mph. Chance of precipitation is 20%.

    High: 78 °F

    Isolated
    Showers

  • Sunday Night

    Sunday Night: Isolated showers. Mostly cloudy, with a low around 68. Windy, with a northeast wind 15 to 25 mph. Chance of precipitation is 20%.

    Low: 68 °F

    Isolated
    Showers and
    Windy

  • Monday

    Monday: Scattered showers. Partly sunny, with a high near 76. Windy. Chance of precipitation is 30%.

    High: 76 °F

    Scattered
    Showers and
    Windy

  • Monday Night

    Monday Night: Scattered showers. Mostly cloudy, with a low around 69. Windy. Chance of precipitation is 30%.

    Low: 69 °F

    Scattered
    Showers and
    Windy

  • Tuesday

    Tuesday: Scattered showers. Partly sunny, with a high near 75. Breezy. Chance of precipitation is 30%.

    High: 75 °F

    Scattered
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 70. Breezy. Chance of precipitation is 30%.

    Low: 70 °F

    Scattered
    Showers and
    Breezy

Detailed Forecast

Overnight
Isolated showers. Partly cloudy, with a low around 73. Breezy, with an east wind 15 to 20 mph. Chance of precipitation is 10%.
Saturday
Mostly sunny, with a high near 78. East wind around 15 mph.
Saturday Night
Isolated showers. Mostly cloudy, with a low around 72. East wind 10 to 15 mph. Chance of precipitation is 20%.
Sunday
Isolated showers. Partly sunny, with a high near 78. East wind around 10 mph. Chance of precipitation is 20%.
Sunday Night
Isolated showers. Mostly cloudy, with a low around 68. Windy, with a northeast wind 15 to 25 mph. Chance of precipitation is 20%.
Monday
Scattered showers. Partly sunny, with a high near 76. Windy. Chance of precipitation is 30%.
Monday Night
Scattered showers. Mostly cloudy, with a low around 69. Windy. Chance of precipitation is 30%.
Tuesday
Scattered showers. Partly sunny, with a high near 75. Breezy. Chance of precipitation is 30%.
Tuesday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 70. Breezy. Chance of precipitation is 30%.
Wednesday
Scattered showers and thunderstorms. Partly sunny, with a high near 76. Chance of precipitation is 40%.
Wednesday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
Thursday
Scattered showers and thunderstorms. Partly sunny, with a high near 74. Windy. Chance of precipitation is 40%.
Thursday Night
Isolated showers. Mostly cloudy, with a low around 58. Windy. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 69. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Marathon FL
 24.7°N 81.15°W (Elev. 0 ft)
Last Update:
2:15 am EST Jan 10, 2026
Forecast Valid:
2am EST Jan 10, 2026-6pm EST Jan 16, 2026
 
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