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

Key West International Airport (KEYW)

Lat: 24.56°NLon: 81.76°WElev: 3ft.

Fair

86°F

30°C

Humidity 70%
Wind Speed E 13 mph
Barometer 29.98 in (1015.7 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 20 May 6:53 pm EDT
Extended Forecast for

Stock Island FL

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before 8pm. Mostly clear, with a low around 81. East wind around 15 mph. Chance of precipitation is 30%.

    Low: 81 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers and thunderstorms. Sunny, with a high near 90. East wind around 10 mph. Chance of precipitation is 20%.

    High: 90 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms. Mostly clear, with a low around 81. East wind around 15 mph. Chance of precipitation is 20%.

    Low: 81 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A slight chance of showers and thunderstorms. Sunny, with a high near 91. East wind around 10 mph. Chance of precipitation is 10%.

    High: 91 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms. Mostly clear, with a low around 82. East wind around 15 mph. Chance of precipitation is 10%.

    Low: 82 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers and thunderstorms. Sunny, with a high near 92. Chance of precipitation is 10%.

    High: 92 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms. Mostly clear, with a low around 82. Chance of precipitation is 20%.

    Low: 82 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Sunny, with a high near 90. Breezy.

    High: 90 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Sunday Night

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

    Low: 82 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Tonight
A chance of showers and thunderstorms, mainly before 8pm. Mostly clear, with a low around 81. East wind around 15 mph. Chance of precipitation is 30%.
Thursday
A slight chance of showers and thunderstorms. Sunny, with a high near 90. East wind around 10 mph. Chance of precipitation is 20%.
Thursday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 81. East wind around 15 mph. Chance of precipitation is 20%.
Friday
A slight chance of showers and thunderstorms. Sunny, with a high near 91. East wind around 10 mph. Chance of precipitation is 10%.
Friday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 82. East wind around 15 mph. Chance of precipitation is 10%.
Saturday
A slight chance of showers and thunderstorms. Sunny, with a high near 92. Chance of precipitation is 10%.
Saturday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 82. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 90. Breezy.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 82. Breezy. Chance of precipitation is 30%.
Memorial Day
Mostly sunny, with a high near 90. Breezy.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 82. Breezy. Chance of precipitation is 40%.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 90. Breezy. Chance of precipitation is 10%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 82. Breezy. Chance of precipitation is 40%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Stock Island FL
 24.57°N 81.74°W (Elev. 3 ft)
Last Update:
6:15 pm EDT May 20, 2026
Forecast Valid:
7pm EDT May 20, 2026-6pm EDT May 27, 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