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.

Fair

87°F

31°C

Humidity 70%
Wind Speed SE 10 mph
Barometer 30.06 in (1017.8 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 13 Jun 4:53 pm EDT
Extended Forecast for

Big Pine Key FL

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms. Sunny, with a high near 90. Southeast wind around 10 mph. Chance of precipitation is 50%.

    High: 90 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 82. Southeast wind around 15 mph. Chance of precipitation is 30%.

    Low: 82 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms. Sunny, with a high near 90. Southeast wind around 10 mph. Chance of precipitation is 30%.

    High: 90 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 82. East wind 10 to 15 mph. Chance of precipitation is 30%.

    Low: 82 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Southeast wind around 10 mph. Chance of precipitation is 30%.

    High: 90 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 82. Chance of precipitation is 30%.

    Low: 82 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 30%.

    High: 90 °F

    Chance
    Showers

  • Monday Night

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

    Low: 81 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 30%.

    High: 90 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms. Sunny, with a high near 90. Southeast wind around 10 mph. Chance of precipitation is 50%.
Tonight
A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 82. Southeast wind around 15 mph. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms. Sunny, with a high near 90. Southeast wind around 10 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 82. East wind 10 to 15 mph. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Southeast wind around 10 mph. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 82. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 81. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 81. Chance of precipitation is 20%.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 82. Chance of precipitation is 20%.
Juneteenth
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 82. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Big Pine Key FL
 24.68°N 81.35°W (Elev. 3 ft)
Last Update:
5:15 pm EDT Jun 13, 2025
Forecast Valid:
5pm EDT Jun 13, 2025-6pm EDT Jun 20, 2025
 
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