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.

Partly Cloudy

80°F

27°C

Humidity 49%
Wind Speed E 10 mph
Barometer 30.16 in (1021.9 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 14 Apr 9:53 am EDT
Extended Forecast for

3 Miles SW Marquesas Keys FL

  • Today

    Today: A slight chance of showers. Mostly sunny, with a high near 78. Breezy, with an east wind around 20 mph. Chance of precipitation is 10%.

    High: 78 °F

    Slight Chance
    Showers and
    Breezy

  • Tonight

    Tonight: A slight chance of showers. Mostly clear, with a low around 74. Windy, with an east wind around 25 mph. Chance of precipitation is 10%.

    Low: 74 °F

    Slight Chance
    Showers and
    Windy

  • Wednesday

    Wednesday: A slight chance of showers. Sunny, with a high near 77. Breezy, with an east wind around 20 mph. Chance of precipitation is 10%.

    High: 77 °F

    Slight Chance
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: A slight chance of showers. Mostly clear, with a low around 75. Breezy, with an east wind around 20 mph. Chance of precipitation is 10%.

    Low: 75 °F

    Slight Chance
    Showers and
    Breezy

  • Thursday

    Thursday: Mostly sunny, with a high near 78. Breezy, with an east wind 15 to 20 mph.

    High: 78 °F

    Mostly Sunny
    and Breezy
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers. Sunny, with a high near 80. Chance of precipitation is 10%.

    High: 80 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

Today
A slight chance of showers. Mostly sunny, with a high near 78. Breezy, with an east wind around 20 mph. Chance of precipitation is 10%.
Tonight
A slight chance of showers. Mostly clear, with a low around 74. Windy, with an east wind around 25 mph. Chance of precipitation is 10%.
Wednesday
A slight chance of showers. Sunny, with a high near 77. Breezy, with an east wind around 20 mph. Chance of precipitation is 10%.
Wednesday Night
A slight chance of showers. Mostly clear, with a low around 75. Breezy, with an east wind around 20 mph. Chance of precipitation is 10%.
Thursday
Mostly sunny, with a high near 78. Breezy, with an east wind 15 to 20 mph.
Thursday Night
Mostly clear, with a low around 75.
Friday
A slight chance of showers. Sunny, with a high near 80. Chance of precipitation is 10%.
Friday Night
Mostly clear, with a low around 77.
Saturday
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 77.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 77.
Monday
Mostly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Marquesas Keys FL
 24.54°N 82.13°W (Elev. 0 ft)
Last Update:
10:15 am EDT Apr 14, 2026
Forecast Valid:
10am EDT Apr 14, 2026-6pm EDT Apr 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation