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.

Thunderstorm in Vicinity

31°C

87°F

Humidity 77%
Wind Speed SE 9 km/h
Barometer 1020.6 mb (30.12 in)
Dewpoint 26°C (79°F)
Visibility 16 km
Heat Index38°C (101°F)
Last update 13 Jul 11:53 am EDT
Extended Forecast for

3 Miles SW Marquesas Keys FL

  • This Afternoon

    This Afternoon: Isolated showers and thunderstorms. Mostly sunny, with a high near 31. Calm wind. Chance of precipitation is 20%.

    High: 31 °C

    Isolated
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms. Partly cloudy, with a low around 28. North wind 5 to 10 km/h. Chance of precipitation is 30%.

    Low: 28 °C

    Scattered
    Showers

  • Monday

    Monday: Scattered showers and thunderstorms. Partly sunny, with a high near 31. Calm wind becoming northwest 5 to 10 km/h in the afternoon. Chance of precipitation is 50%.

    High: 31 °C

    Scattered
    T-storms

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 27. North wind 10 to 15 km/h becoming south after midnight. Chance of precipitation is 60%.

    Low: 27 °C

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 30. Southwest wind 5 to 10 km/h. Chance of precipitation is 60%.

    High: 30 °C

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 27. Chance of precipitation is 50%.

    Low: 27 °C

    Scattered
    T-storms

  • Wednesday

    Wednesday: Scattered showers and thunderstorms. Partly sunny, with a high near 30. Chance of precipitation is 40%.

    High: 30 °C

    Scattered
    T-storms

  • Wednesday Night

    Wednesday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.

    Low: 28 °C

    Scattered
    Showers

  • Thursday

    Thursday: Isolated showers and thunderstorms. Partly sunny, with a high near 31. Chance of precipitation is 20%.

    High: 31 °C

    Isolated
    T-storms

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms. Mostly sunny, with a high near 31. Calm wind. Chance of precipitation is 20%.
Tonight
Scattered showers and thunderstorms. Partly cloudy, with a low around 28. North wind 5 to 10 km/h. Chance of precipitation is 30%.
Monday
Scattered showers and thunderstorms. Partly sunny, with a high near 31. Calm wind becoming northwest 5 to 10 km/h in the afternoon. Chance of precipitation is 50%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 27. North wind 10 to 15 km/h becoming south after midnight. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 30. Southwest wind 5 to 10 km/h. Chance of precipitation is 60%.
Tuesday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 27. Chance of precipitation is 50%.
Wednesday
Scattered showers and thunderstorms. Partly sunny, with a high near 30. Chance of precipitation is 40%.
Wednesday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.
Thursday
Isolated showers and thunderstorms. Partly sunny, with a high near 31. Chance of precipitation is 20%.
Thursday Night
Scattered showers and thunderstorms. Partly cloudy, with a low around 28. Chance of precipitation is 30%.
Friday
Scattered showers and thunderstorms. Mostly sunny, with a high near 31. Chance of precipitation is 30%.
Friday Night
Scattered showers and thunderstorms. Partly cloudy, with a low around 28. Breezy. Chance of precipitation is 30%.
Saturday
Isolated showers and thunderstorms. Mostly sunny, with a high near 31. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Marquesas Keys FL
 24.54°N 82.13°W (Elev. 0 m)
Last Update:
12:15 pm EDT Jul 13, 2025
Forecast Valid:
12pm EDT Jul 13, 2025-6pm EDT Jul 19, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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