Storm Impacting the Southwest U.S.; Above Normal Temperatures Further East

A storm system will shift across the southwest U.S. through Thursday with widespread showers and isolated thunderstorms. Isolated flooding is possible. High-elevation snow is also expected in parts of Nevada and the southern Sierra Nevada range. East of this storm, above average temperatures will challenge or break daily record high temperatures this week in the southern Plains and southeast U.S. Read More >

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Overcast

76°F

24°C

Humidity 77%
Wind Speed NE 8 mph
Barometer 30.09 in (1018.8 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 18 Nov 11:53 am EST
Extended Forecast for

2 Miles W Marathon FL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 79. East wind 10 to 15 mph.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 72. East wind around 10 mph.

    Low: 72 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 79. East wind around 10 mph.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 71. Northeast wind 5 to 10 mph.

    Low: 71 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79. East wind around 10 mph.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 79. East wind 10 to 15 mph.
Tonight
Partly cloudy, with a low around 72. East wind around 10 mph.
Wednesday
Sunny, with a high near 79. East wind around 10 mph.
Wednesday Night
Mostly clear, with a low around 71. Northeast wind 5 to 10 mph.
Thursday
Sunny, with a high near 79. East wind around 10 mph.
Thursday Night
Mostly clear, with a low around 72.
Friday
Sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 72.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 72.
Sunday
Sunny, with a high near 79.
Sunday Night
Mostly clear, with a low around 71.
Monday
Sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Marathon FL
 24.7°N 81.1°W (Elev. 3 ft)
11:15 am EST Nov 18, 2025
12pm EST Nov 18, 2025-6pm EST Nov 24, 2025
 
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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