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.

Mostly Cloudy

71°F

22°C

Humidity 68%
Wind Speed NA
Barometer 30.10 in (1019.8 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 22 Mar 12:53 am EDT
Extended Forecast for

Key West FL

  • Overnight

    Overnight: Mostly clear, with a low around 67. Northeast wind around 10 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 69. East wind 5 to 10 mph.

    Low: 69 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 79. East wind 5 to 10 mph.

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 69. North wind around 10 mph.

    Low: 69 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Wednesday Night

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

    Low: 71 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 67. Northeast wind around 10 mph.
Sunday
Sunny, with a high near 79. Northeast wind around 5 mph.
Sunday Night
Mostly clear, with a low around 69. East wind 5 to 10 mph.
Monday
Sunny, with a high near 79. East wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 69. North wind around 10 mph.
Tuesday
Sunny, with a high near 79.
Tuesday Night
Mostly clear, with a low around 70.
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.
Friday Night
Partly cloudy, with a low around 72.
Saturday
Mostly 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)
12:15 am EDT Mar 22, 2026
1am EDT Mar 22, 2026-6pm EDT Mar 28, 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