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

Areas of Excessive Rainfall and Severe Thunderstorms; Typhoon Watch for Guam/CNMI

Heavy to excessive rainfall will continue today from the Texas Big Bend region into southern Oklahoma. Locally considerable flash and urban flooding is possible, and river flooding will continue in central Oklahoma. Scattered severe thunderstorms are possible in parts of the Mid-Atlantic Friday. A Typhoon Watch has been issued for Guam and CNMI. Read More >

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

A Few Clouds

87°F

31°C

Humidity 75%
Wind Speed E 10 mph
Barometer 30.00 in (1015.9 mb)
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 15 Oct 1:53 pm EDT
Extended Forecast for

3 Miles ESE Big Pine Key FL

  • This Afternoon

    This Afternoon: A slight chance of showers and thunderstorms. Sunny, with a high near 89. East wind around 10 mph. Chance of precipitation is 20%.

    High: 89 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly after 8pm. Partly cloudy, with a low around 82. East wind 10 to 15 mph. Chance of precipitation is 40%.

    Low: 82 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms. Mostly sunny, with a high near 90. East wind around 10 mph. Chance of precipitation is 40%.

    High: 90 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 79. East wind around 5 mph. Chance of precipitation is 50%.

    Low: 79 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 87. Northeast wind around 5 mph. Chance of precipitation is 60%.

    High: 87 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 78. Chance of precipitation is 80%.

    Low: 78 °F

    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 85. Windy. Chance of precipitation is 80%.

    High: 85 °F

    Showers and
    Windy

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 78. Very windy. Chance of precipitation is 70%.

    Low: 78 °F

    Showers
    Likely and
    Very Windy

  • Monday

    Monday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 85. Very windy. Chance of precipitation is 60%.

    High: 85 °F

    Showers
    Likely and
    Very Windy

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms. Sunny, with a high near 89. East wind around 10 mph. Chance of precipitation is 20%.
Tonight
A chance of showers and thunderstorms, mainly after 8pm. Partly cloudy, with a low around 82. East wind 10 to 15 mph. Chance of precipitation is 40%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. East wind around 10 mph. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 79. East wind around 5 mph. Chance of precipitation is 50%.
Saturday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 87. Northeast wind around 5 mph. Chance of precipitation is 60%.
Saturday Night
Showers and possibly a thunderstorm. Low around 78. Chance of precipitation is 80%.
Sunday
Showers and possibly a thunderstorm. High near 85. Windy. Chance of precipitation is 80%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 78. Very windy. Chance of precipitation is 70%.
Monday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 85. Very windy. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 78. Very windy. Chance of precipitation is 60%.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85. Windy. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 78. Windy. Chance of precipitation is 30%.
Wednesday
A chance of showers. Mostly sunny, with a high near 85. Windy. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Big Pine Key FL
 24.65°N 81.31°W (Elev. 0 ft)
Last Update:
2:15 pm EDT Oct 15, 2026
Forecast Valid:
2pm EDT Oct 15, 2026-6pm EDT Oct 21, 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