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

Key West Naval Air Station (KNQX)

Lat: 24.58°NLon: 81.68°WElev: 3ft.

A Few Clouds

89°F

32°C

Humidity 61%
Wind Speed N 5 mph
Barometer 29.94 in (1013.5 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 18 Aug 11:53 am EDT
Extended Forecast for

Big Coppitt Key FL

  • This Afternoon

    This Afternoon: A slight chance of showers and thunderstorms. Sunny, with a high near 90. Northeast wind around 5 mph becoming northwest. Chance of precipitation is 20%.

    High: 90 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms. Mostly clear, with a low around 84. Northwest wind around 5 mph. Chance of precipitation is 30%.

    Low: 84 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms. Sunny, with a high near 91. Northwest wind around 5 mph. Chance of precipitation is 30%.

    High: 91 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly clear, with a low around 83. Northwest wind around 10 mph. Chance of precipitation is 40%.

    Low: 83 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Northwest wind around 10 mph. Chance of precipitation is 30%.

    High: 91 °F

    Chance
    Showers

  • Wednesday Night

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

    Low: 83 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 30%.

    High: 90 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly clear, with a low around 84. Chance of precipitation is 30%.

    Low: 84 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms. Sunny, with a high near 91. Chance of precipitation is 30%.

    High: 91 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms. Sunny, with a high near 90. Northeast wind around 5 mph becoming northwest. Chance of precipitation is 20%.
Tonight
A chance of showers and thunderstorms. Mostly clear, with a low around 84. Northwest wind around 5 mph. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms. Sunny, with a high near 91. Northwest wind around 5 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 83. Northwest wind around 10 mph. Chance of precipitation is 40%.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Northwest wind around 10 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 83. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 84. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Sunny, with a high near 91. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 83. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms. Sunny, with a high near 90. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 84. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Sunny, with a high near 90. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Big Coppitt Key FL
 24.59°N 81.67°W (Elev. 3 ft)
Last Update:
12:15 pm EDT Aug 18, 2025
Forecast Valid:
12pm EDT Aug 18, 2025-6pm EDT Aug 24, 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