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

Early Heat Wave in the West; Fire Concerns in the Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Current conditions at

Key West International Airport (KEYW)

Lat: 24.56°NLon: 81.76°WElev: 3ft.

Overcast

73°F

23°C

Humidity 87%
Wind Speed N 14 G 23 mph
Barometer 30.02 in (1017.2 mb)
Dewpoint 69°F (21°C)
Visibility 9.00 mi
Last update 17 Mar 10:53 am EDT
Extended Forecast for

Key West FL

  • Today

    Today: A chance of showers. Cloudy, with a high near 75. Breezy, with a north wind 15 to 20 mph. Chance of precipitation is 40%.

    High: 75 °F

    Chance
    Showers and
    Breezy

  • Tonight

    Tonight: A chance of showers. Cloudy, with a low around 64. Breezy, with a north wind 15 to 20 mph. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    Showers and
    Breezy

  • Wednesday

    Wednesday: A chance of showers. Cloudy, with a high near 75. North wind around 15 mph. Chance of precipitation is 40%.

    High: 75 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Cloudy, with a low around 67. Northeast wind around 15 mph. Chance of precipitation is 50%.

    Low: 67 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers. Mostly cloudy, with a high near 77. Breezy, with a north wind 15 to 20 mph. Chance of precipitation is 30%.

    High: 77 °F

    Chance
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: A slight chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 20%.

    Low: 66 °F

    Slight Chance
    Showers

  • Friday

    Friday: A slight chance of showers. Mostly sunny, with a high near 76. Chance of precipitation is 10%.

    High: 76 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

Today
A chance of showers. Cloudy, with a high near 75. Breezy, with a north wind 15 to 20 mph. Chance of precipitation is 40%.
Tonight
A chance of showers. Cloudy, with a low around 64. Breezy, with a north wind 15 to 20 mph. Chance of precipitation is 30%.
Wednesday
A chance of showers. Cloudy, with a high near 75. North wind around 15 mph. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms. Cloudy, with a low around 67. Northeast wind around 15 mph. Chance of precipitation is 50%.
Thursday
A chance of showers. Mostly cloudy, with a high near 77. Breezy, with a north wind 15 to 20 mph. Chance of precipitation is 30%.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 20%.
Friday
A slight chance of showers. Mostly sunny, with a high near 76. Chance of precipitation is 10%.
Friday Night
Mostly clear, with a low around 68.
Saturday
Sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 69.
Sunday
Sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 71.
Monday
Sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Key West FL
 24.55°N 81.77°W (Elev. 7 ft)
Last Update:
11:15 am EDT Mar 17, 2026
Forecast Valid:
11am EDT Mar 17, 2026-6pm EDT Mar 23, 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