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

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Mostly Cloudy

82°F

28°C

Humidity 82%
Wind Speed E 14 mph
Barometer 30.00 in (1015.9 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 21 May 10:53 pm EDT
Extended Forecast for

6 Miles ENE Valhalla FL

  • Tonight

    Tonight: A chance of showers and thunderstorms. Partly cloudy, with a low around 81. East wind around 15 mph. Chance of precipitation is 30%.

    Low: 81 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms. Mostly sunny, with a high near 85. East wind 10 to 15 mph. Chance of precipitation is 30%.

    High: 85 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly clear, with a low around 81. East wind around 15 mph. Chance of precipitation is 30%.

    Low: 81 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms. Sunny, with a high near 86. East wind 10 to 15 mph. Chance of precipitation is 30%.

    High: 86 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly clear, with a low around 81. East wind around 15 mph. Chance of precipitation is 30%.

    Low: 81 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 30%.

    High: 86 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 81. Windy. Chance of precipitation is 50%.

    Low: 81 °F

    Chance
    T-storms and
    Windy

  • Memorial Day

    Memorial Day: A slight chance of showers. Mostly sunny, with a high near 86. Windy. Chance of precipitation is 10%.

    High: 86 °F

    Slight Chance
    Showers and
    Windy

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 81. Windy. Chance of precipitation is 30%.

    Low: 81 °F

    Chance
    T-storms and
    Windy

Detailed Forecast

Tonight
A chance of showers and thunderstorms. Partly cloudy, with a low around 81. East wind around 15 mph. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85. East wind 10 to 15 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 81. East wind around 15 mph. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms. Sunny, with a high near 86. East wind 10 to 15 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 81. East wind around 15 mph. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 81. Windy. Chance of precipitation is 50%.
Memorial Day
A slight chance of showers. Mostly sunny, with a high near 86. Windy. Chance of precipitation is 10%.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 81. Windy. Chance of precipitation is 30%.
Tuesday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 86. Windy. Chance of precipitation is 20%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 81. Windy. Chance of precipitation is 50%.
Wednesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 85. Breezy. Chance of precipitation is 40%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 80. Chance of precipitation is 60%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ENE Valhalla FL
 24.79°N 80.89°W (Elev. 0 ft)
Last Update:
11:15 pm EDT May 21, 2026
Forecast Valid:
11pm EDT May 21, 2026-6pm EDT May 28, 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