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

Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

Key West International Airport (KEYW)

Lat: 24.56°NLon: 81.76°WElev: 3ft.

A Few Clouds

87°F

31°C

Humidity 72%
Wind Speed S 7 mph
Barometer 30.06 in (1018.5 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 22 Aug 10:53 am EDT
Extended Forecast for

Key West FL

  • Today

    Today: Mostly sunny, with a high near 92. South wind around 5 mph.

    High: 92 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 82. Northeast wind 5 to 10 mph becoming southeast after midnight.

    Low: 82 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 92. Southeast wind around 5 mph.

    High: 92 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 83. East wind 5 to 10 mph.

    Low: 83 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 92. East wind around 10 mph.

    High: 92 °F

    Sunny

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms. Mostly clear, with a low around 82. Chance of precipitation is 20%.

    Low: 82 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms. Sunny, with a high near 92. Chance of precipitation is 20%.

    High: 92 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 82. Chance of precipitation is 50%.

    Low: 82 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 92. Chance of precipitation is 20%.

    High: 92 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 92. South wind around 5 mph.
Tonight
Partly cloudy, with a low around 82. Northeast wind 5 to 10 mph becoming southeast after midnight.
Sunday
Mostly sunny, with a high near 92. Southeast wind around 5 mph.
Sunday Night
Partly cloudy, with a low around 83. East wind 5 to 10 mph.
Monday
Sunny, with a high near 92. East wind around 10 mph.
Monday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 82. Chance of precipitation is 20%.
Tuesday
A slight chance of showers and thunderstorms. Sunny, with a high near 92. Chance of precipitation is 20%.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 82. Chance of precipitation is 50%.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 92. Chance of precipitation is 20%.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 82. Chance of precipitation is 40%.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 92. Chance of precipitation is 20%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 82. Chance of precipitation is 40%.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 92. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Key West FL
 24.55°N 81.77°W (Elev. 7 ft)
Last Update:
10:15 am EDT Aug 22, 2026
Forecast Valid:
11am EDT Aug 22, 2026-6pm EDT Aug 28, 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