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

Hazardous Weather Conditions

Current conditions at

Key West International Airport (KEYW)

Lat: 24.56°NLon: 81.76°WElev: 3ft.

A Few Clouds

88°F

31°C

Humidity 63%
Wind Speed NA
Barometer 30.04 in (1017.7 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 18 May 5:53 pm EDT
Extended Forecast for

Key West FL

  • Tonight

    Tonight: A chance of showers and thunderstorms. Partly cloudy, with a low around 80. East wind around 15 mph. Chance of precipitation is 40%.

    Low: 80 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms. Sunny, with a high near 91. East wind 10 to 15 mph. Chance of precipitation is 40%.

    High: 91 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly clear, with a low around 80. East wind around 15 mph. Chance of precipitation is 30%.

    Low: 80 °F

    Chance
    Showers

  • Wednesday

    Wednesday: 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

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms. Mostly clear, with a low around 80. East wind around 15 mph. Chance of precipitation is 20%.

    Low: 80 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers and thunderstorms. Sunny, with a high near 91. Chance of precipitation is 20%.

    High: 91 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers. Mostly clear, with a low around 81. Chance of precipitation is 10%.

    Low: 81 °F

    Slight Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Friday Night

    Friday Night: A slight chance of showers. Mostly clear, with a low around 81. Chance of precipitation is 10%.

    Low: 81 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
A chance of showers and thunderstorms. Partly cloudy, with a low around 80. East wind around 15 mph. Chance of precipitation is 40%.
Tuesday
A chance of showers and thunderstorms. Sunny, with a high near 91. East wind 10 to 15 mph. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 80. East wind around 15 mph. Chance of precipitation is 30%.
Wednesday
A slight chance of showers and thunderstorms. Sunny, with a high near 90. East wind around 10 mph. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 80. East wind around 15 mph. Chance of precipitation is 20%.
Thursday
A slight chance of showers and thunderstorms. Sunny, with a high near 91. Chance of precipitation is 20%.
Thursday Night
A slight chance of showers. Mostly clear, with a low around 81. Chance of precipitation is 10%.
Friday
Sunny, with a high near 91.
Friday Night
A slight chance of showers. Mostly clear, with a low around 81. Chance of precipitation is 10%.
Saturday
A slight chance of showers. 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
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 92. Chance of precipitation is 20%.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 82. Chance of precipitation is 40%.
Memorial Day
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 92. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Key West FL
 24.55°N 81.77°W (Elev. 7 ft)
Last Update:
5:15 pm EDT May 18, 2026
Forecast Valid:
6pm EDT May 18, 2026-6pm EDT May 25, 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