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.

Partly Cloudy

88°F

31°C

Humidity 75%
Wind Speed SE 9 mph
Barometer 30.13 in (1020.7 mb)
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 7 Jul 2:53 pm EDT
Extended Forecast for

3 Miles SW Marquesas Keys FL

  • This Afternoon

    This Afternoon: Isolated showers and thunderstorms. Mostly sunny, with a high near 87. East wind around 10 mph. Chance of precipitation is 20%.

    High: 87 °F

    Isolated
    T-storms

  • Tonight

    Tonight: Isolated showers and thunderstorms. Partly cloudy, with a low around 83. East wind 10 to 15 mph. Chance of precipitation is 20%.

    Low: 83 °F

    Isolated
    T-storms

  • Tuesday

    Tuesday: Isolated showers and thunderstorms. Mostly sunny, with a high near 87. East wind around 15 mph. Chance of precipitation is 20%.

    High: 87 °F

    Isolated
    T-storms

  • Tuesday Night

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

    Low: 82 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers and thunderstorms. Mostly sunny, with a high near 86. East wind 10 to 15 mph. Chance of precipitation is 40%.

    High: 86 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers and thunderstorms. Partly cloudy, with a low around 82. Chance of precipitation is 40%.

    Low: 82 °F

    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 50%.

    High: 87 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Scattered showers and thunderstorms. Partly cloudy, with a low around 83. Chance of precipitation is 30%.

    Low: 83 °F

    Scattered
    Showers

  • Friday

    Friday: Scattered showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 50%.

    High: 87 °F

    Scattered
    Showers

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms. Mostly sunny, with a high near 87. East wind around 10 mph. Chance of precipitation is 20%.
Tonight
Isolated showers and thunderstorms. Partly cloudy, with a low around 83. East wind 10 to 15 mph. Chance of precipitation is 20%.
Tuesday
Isolated showers and thunderstorms. Mostly sunny, with a high near 87. East wind around 15 mph. Chance of precipitation is 20%.
Tuesday Night
Scattered showers and thunderstorms. Partly cloudy, with a low around 82. East wind 10 to 15 mph. Chance of precipitation is 30%.
Wednesday
Scattered showers and thunderstorms. Mostly sunny, with a high near 86. East wind 10 to 15 mph. Chance of precipitation is 40%.
Wednesday Night
Scattered showers and thunderstorms. Partly cloudy, with a low around 82. Chance of precipitation is 40%.
Thursday
Scattered showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 50%.
Thursday Night
Scattered showers and thunderstorms. Partly cloudy, with a low around 83. Chance of precipitation is 30%.
Friday
Scattered showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 50%.
Friday Night
Scattered showers and thunderstorms. Partly cloudy, with a low around 83. Chance of precipitation is 30%.
Saturday
Scattered showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 40%.
Saturday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 82. Chance of precipitation is 30%.
Sunday
Scattered showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Marquesas Keys FL
 24.54°N 82.13°W (Elev. 0 ft)
Last Update:
2:15 pm EDT Jul 7, 2025
Forecast Valid:
3pm EDT Jul 7, 2025-6pm EDT Jul 13, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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