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Tropical Storm Isaias in the Gulf; California Heat Continues

Tropical Storm Isaias is forecast to track toward the central U.S. Gulf Coast while strengthening into a hurricane on Thursday. Residents from Louisiana to the Florida Panhandle should closely monitor the latest updates. Much higher than typical October temperatures will continue across much of California through midweek. Temperatures are forecast to gradually cool beginning Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Key West Naval Air Station (KNQX)

Lat: 24.58°NLon: 81.68°WElev: 3ft.

Partly Cloudy

85°F

29°C

Humidity 75%
Wind Speed S 8 mph
Barometer 29.86 in (1011.0 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 7 Oct 8:53 am EDT
Extended Forecast for

Big Coppitt Key FL

  • Today

    Today: A chance of showers and thunderstorms. Mostly sunny, with a high near 88. Southwest wind around 5 mph. Chance of precipitation is 40%.

    High: 88 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 79. Southwest wind around 5 mph. Chance of precipitation is 60%.

    Low: 79 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers and thunderstorms. Mostly sunny, with a high near 90. South wind around 5 mph. Chance of precipitation is 30%.

    High: 90 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 80. East wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 80 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Southeast wind around 10 mph. Chance of precipitation is 30%.

    High: 90 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 81. Chance of precipitation is 60%.

    Low: 81 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 50%.

    High: 90 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 81. Breezy. Chance of precipitation is 40%.

    Low: 81 °F

    Chance
    T-storms and
    Breezy

  • Sunday

    Sunday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms. Mostly sunny, with a high near 88. Southwest wind around 5 mph. Chance of precipitation is 40%.
Tonight
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 79. Southwest wind around 5 mph. Chance of precipitation is 60%.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. South wind around 5 mph. Chance of precipitation is 30%.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 80. East wind 5 to 10 mph. Chance of precipitation is 20%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Southeast wind around 10 mph. Chance of precipitation is 30%.
Friday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 81. Chance of precipitation is 60%.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 81. Breezy. Chance of precipitation is 40%.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 81. Chance of precipitation is 10%.
Columbus Day
Mostly sunny, with a high near 87.
Monday Night
A slight chance of showers. Mostly clear, with a low around 80. Chance of precipitation is 10%.
Tuesday
A slight chance of showers. Sunny, with a high near 87. Chance of precipitation is 10%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Big Coppitt Key FL
 24.59°N 81.67°W (Elev. 3 ft)
Last Update:
9:15 am EDT Oct 7, 2026
Forecast Valid:
10am EDT Oct 7, 2026-6pm EDT Oct 13, 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