Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Key West International Airport (KEYW)

Lat: 24.56°NLon: 81.76°WElev: 3ft.

Fair

77°F

25°C

Humidity 62%
Wind Speed N 10 mph
Barometer 30.01 in (1016.8 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 20 Mar 4:53 pm EDT
Extended Forecast for

Key West FL

  • Tonight

    Tonight: Mostly clear, with a low around 67. Northeast wind around 15 mph.

    Low: 67 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 77. Northeast wind 10 to 15 mph.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 67. Northeast wind around 5 mph.

    Low: 67 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 79. Northeast wind around 5 mph.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 70. East wind 5 to 10 mph.

    Low: 70 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 67. Northeast wind around 15 mph.
Saturday
Sunny, with a high near 77. Northeast wind 10 to 15 mph.
Saturday Night
Mostly clear, with a low around 67. Northeast wind around 5 mph.
Sunday
Sunny, with a high near 79. Northeast wind around 5 mph.
Sunday Night
Mostly clear, with a low around 70. East wind 5 to 10 mph.
Monday
Sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 71.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 71.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 71.
Thursday
Sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 72.
Friday
Sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Key West FL
 24.55°N 81.77°W (Elev. 7 ft)
4:15 pm EDT Mar 20, 2026
5pm EDT Mar 20, 2026-6pm EDT Mar 27, 2026
 
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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