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.

Light Rain

81°F

27°C

Humidity 82%
Wind Speed E 6 mph
Barometer 30.11 in (1020.1 mb)
Dewpoint 75°F (24°C)
Visibility 4.00 mi
Heat Index87°F (31°C)
Last update 13 Jul 1:53 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. Calm wind. Chance of precipitation is 20%.

    High: 87 °F

    Isolated
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly after 8pm. Partly cloudy, with a low around 83. North wind around 5 mph. Chance of precipitation is 30%.

    Low: 83 °F

    Scattered
    Showers

  • Monday

    Monday: Scattered showers and thunderstorms. Partly sunny, with a high near 87. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 50%.

    High: 87 °F

    Scattered
    T-storms

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 80. North wind 5 to 10 mph becoming south after midnight. Chance of precipitation is 60%.

    Low: 80 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 86. Southwest wind around 5 mph. Chance of precipitation is 60%.

    High: 86 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 81. Chance of precipitation is 50%.

    Low: 81 °F

    Scattered
    T-storms

  • Wednesday

    Wednesday: Scattered showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 40%.

    High: 86 °F

    Scattered
    T-storms

  • Wednesday Night

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

    Low: 83 °F

    Scattered
    Showers

  • Thursday

    Thursday: Isolated showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 20%.

    High: 87 °F

    Isolated
    T-storms

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms. Mostly sunny, with a high near 87. Calm wind. Chance of precipitation is 20%.
Tonight
Scattered showers and thunderstorms, mainly after 8pm. Partly cloudy, with a low around 83. North wind around 5 mph. Chance of precipitation is 30%.
Monday
Scattered showers and thunderstorms. Partly sunny, with a high near 87. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 50%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 80. North wind 5 to 10 mph becoming south after midnight. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 86. Southwest wind around 5 mph. Chance of precipitation is 60%.
Tuesday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 81. Chance of precipitation is 50%.
Wednesday
Scattered showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 40%.
Wednesday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 83. Chance of precipitation is 30%.
Thursday
Isolated showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 20%.
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 88. Chance of precipitation is 30%.
Friday Night
Scattered showers and thunderstorms. Partly cloudy, with a low around 83. Breezy. Chance of precipitation is 30%.
Saturday
Isolated showers and thunderstorms. Mostly sunny, with a high near 88. 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 ft)
Last Update:
2:15 pm EDT Jul 13, 2025
Forecast Valid:
2pm EDT Jul 13, 2025-6pm EDT Jul 19, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation