Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Mid-Atlantic; Heavy Rain & Isolated Severe Thunderstorms in Southern California

Snow squalls are likely to cross the Lower Great Lakes this evening and the Ohio Valley through the interior Northeast/northern Mid-Atlantic overnight, before potentially reaching the I-95 corridor from D.C. to New York City early New Year’s Day morning. Heavy rain and isolated severe thunderstorms will impact coastal southern California including Los Angeles tonight into early on New Year's Day. Read More >

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Fair

57°F

14°C

Humidity 81%
Wind Speed N 7 mph
Barometer 30.13 in (1020.1 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 1 Jan 3:53 am EST
Extended Forecast for

Marathon FL

  • New Year's Day

    New Year's Day: Sunny, with a high near 65. North wind 5 to 10 mph.

    High: 65 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 59. Northwest wind 5 to 10 mph.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 68. Northeast wind around 5 mph becoming calm  in the afternoon.

    High: 68 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60. Calm wind.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 73. Calm wind becoming west around 5 mph.

    High: 73 °F

    Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers.  Mostly clear, with a low around 66. Chance of precipitation is 10%.

    Low: 66 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

Detailed Forecast

New Year's Day
Sunny, with a high near 65. North wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 59. Northwest wind 5 to 10 mph.
Friday
Sunny, with a high near 68. Northeast wind around 5 mph becoming calm in the afternoon.
Friday Night
Mostly clear, with a low around 60. Calm wind.
Saturday
Sunny, with a high near 73. Calm wind becoming west around 5 mph.
Saturday Night
A slight chance of showers. Mostly clear, with a low around 66. Chance of precipitation is 10%.
Sunday
Sunny, with a high near 77.
Sunday Night
Mostly clear, with a low around 64.
Monday
Sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 67.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 68.
Wednesday
Sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Marathon FL
 24.72°N 81.07°W (Elev. 7 ft)
4:15 am EST Jan 1, 2026
4am EST Jan 1, 2026-6pm EST Jan 7, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database