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.

Fair

77°F

25°C

Humidity 74%
Wind Speed N 8 mph
Barometer 30.02 in (1017.2 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 20 Apr 1:53 am EDT
Extended Forecast for

Key West FL

  • Overnight

    Overnight: Partly cloudy, with a low around 75. North wind around 10 mph.

    Low: 75 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of showers after 2pm. Mostly sunny, with a high near 83. North wind 5 to 10 mph. Chance of precipitation is 10%.

    High: 83 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, mainly after 8pm. Mostly cloudy, with a low around 72. Breezy, with a northeast wind 15 to 20 mph. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    Showers and
    Breezy

  • Tuesday

    Tuesday: A slight chance of showers. Mostly sunny, with a high near 81. Breezy, with a northeast wind around 20 mph. Chance of precipitation is 10%.

    High: 81 °F

    Slight Chance
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 72. Breezy, with an east wind around 20 mph.

    Low: 72 °F

    Partly Cloudy
    and Breezy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers. Mostly cloudy, with a low around 72. Chance of precipitation is 20%.

    Low: 72 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers. Mostly cloudy, with a high near 80. Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 20%.

    Low: 73 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 75. North wind around 10 mph.
Monday
A slight chance of showers after 2pm. Mostly sunny, with a high near 83. North wind 5 to 10 mph. Chance of precipitation is 10%.
Monday Night
A chance of showers and thunderstorms, mainly after 8pm. Mostly cloudy, with a low around 72. Breezy, with a northeast wind 15 to 20 mph. Chance of precipitation is 30%.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 81. Breezy, with a northeast wind around 20 mph. Chance of precipitation is 10%.
Tuesday Night
Partly cloudy, with a low around 72. Breezy, with an east wind around 20 mph.
Wednesday
Mostly sunny, with a high near 80.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 72. Chance of precipitation is 20%.
Thursday
A slight chance of showers. Mostly cloudy, with a high near 80. Chance of precipitation is 20%.
Thursday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 82.
Friday Night
Partly cloudy, with a low around 74.
Saturday
Sunny, with a high near 83.
Saturday Night
Mostly clear, with a low around 75.
Sunday
Sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Key West FL
 24.56°N 81.8°W (Elev. 3 ft)
Last Update:
2:21 am EDT Apr 20, 2026
Forecast Valid:
2am EDT Apr 20, 2026-6pm EDT Apr 26, 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