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

Blizzard Conditions Continue Tonight Across Coastal Maine; Critical Fire Weather in the Southern Plains Tuesday

Heavy snow and strong winds will continue into Tuesday morning across Maine as the major winter storm departs off the coast. Blizzard Warnings and Winter Storm Warnings remain in effect. Strong winds and dry conditions will promote elevated to critical fire weather conditions across southeast Colorado into the southern High Plains Tuesday. Read More >

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Fair

52°F

11°C

Humidity 50%
Wind Speed N 10 G 31 mph
Barometer 30.21 in (1022.8 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 24 Feb 4:53 am EST
Extended Forecast for

Marathon Shores FL

  • Today

    Today: Sunny, with a high near 63. Breezy, with a north wind 15 to 20 mph decreasing to 5 to 10 mph in the afternoon.

    High: 63 °F

    Sunny and
    Breezy then
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 56. Northeast wind around 5 mph.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73. Southeast wind 5 to 10 mph.

    High: 73 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 67. East wind 10 to 15 mph.

    Low: 67 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 78. Southeast wind around 10 mph.

    High: 78 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers. Mostly clear, with a low around 72. Chance of precipitation is 20%.

    Low: 72 °F

    Slight Chance
    Showers

  • Friday

    Friday: A slight chance of showers. Sunny, with a high near 80. Chance of precipitation is 10%.

    High: 80 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers. Partly cloudy, with a low around 72. Chance of precipitation is 20%.

    Low: 72 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers. Mostly sunny, with a high near 79. Chance of precipitation is 20%.

    High: 79 °F

    Slight Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 63. Breezy, with a north wind 15 to 20 mph decreasing to 5 to 10 mph in the afternoon.
Tonight
Mostly clear, with a low around 56. Northeast wind around 5 mph.
Wednesday
Mostly sunny, with a high near 73. Southeast wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 67. East wind 10 to 15 mph.
Thursday
Mostly sunny, with a high near 78. Southeast wind around 10 mph.
Thursday Night
A slight chance of showers. Mostly clear, with a low around 72. Chance of precipitation is 20%.
Friday
A slight chance of showers. Sunny, with a high near 80. Chance of precipitation is 10%.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 72. Chance of precipitation is 20%.
Saturday
A slight chance of showers. Mostly sunny, with a high near 79. Chance of precipitation is 20%.
Saturday Night
A slight chance of showers. Partly cloudy, with a low around 70. Chance of precipitation is 20%.
Sunday
A slight chance of showers. Mostly sunny, with a high near 78. Chance of precipitation is 10%.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 69. Chance of precipitation is 20%.
Monday
A slight chance of showers. Mostly sunny, with a high near 79. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marathon Shores FL
 24.72°N 81.05°W (Elev. 0 ft)
Last Update:
5:15 am EST Feb 24, 2026
Forecast Valid:
5am EST Feb 24, 2026-6pm EST Mar 2, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

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Chance of Precipitation