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.

Fair

76°F

24°C

Humidity 69%
Wind Speed NE 9 G 24 mph
Barometer 30.14 in (1021.0 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 11 Apr 12:53 am EDT
Extended Forecast for

3 Miles SW Marquesas Keys FL

  • Overnight

    Overnight: A slight chance of showers. Partly cloudy, with a low around 74. Windy, with a northeast wind around 25 mph. Chance of precipitation is 10%.

    Low: 74 °F

    Slight Chance
    Showers and
    Windy

  • Saturday

    Saturday: Mostly sunny, with a high near 78. Windy, with a northeast wind 20 to 25 mph.

    High: 78 °F

    Mostly Sunny
    and Windy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 74. Windy, with an east wind around 25 mph.

    Low: 74 °F

    Mostly Clear
    and Windy

  • Sunday

    Sunday: Sunny, with a high near 78. Windy, with an east wind around 25 mph.

    High: 78 °F

    Sunny and
    Windy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74. Windy, with an east wind around 25 mph, with gusts as high as 30 mph.

    Low: 74 °F

    Mostly Clear
    and Windy

  • Monday

    Monday: Sunny, with a high near 78. Windy.

    High: 78 °F

    Sunny and
    Windy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 75. Windy.

    Low: 75 °F

    Partly Cloudy
    and Windy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78. Breezy.

    High: 78 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 75. Windy.

    Low: 75 °F

    Mostly Clear
    and Windy

Detailed Forecast

Overnight
A slight chance of showers. Partly cloudy, with a low around 74. Windy, with a northeast wind around 25 mph. Chance of precipitation is 10%.
Saturday
Mostly sunny, with a high near 78. Windy, with a northeast wind 20 to 25 mph.
Saturday Night
Mostly clear, with a low around 74. Windy, with an east wind around 25 mph.
Sunday
Sunny, with a high near 78. Windy, with an east wind around 25 mph.
Sunday Night
Mostly clear, with a low around 74. Windy, with an east wind around 25 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 78. Windy.
Monday Night
Partly cloudy, with a low around 75. Windy.
Tuesday
Mostly sunny, with a high near 78. Breezy.
Tuesday Night
Mostly clear, with a low around 75. Windy.
Wednesday
Mostly sunny, with a high near 79. Breezy.
Wednesday Night
Mostly clear, with a low around 76. Windy.
Thursday
Sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 76. Breezy.
Friday
Sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Marquesas Keys FL
 24.54°N 82.13°W (Elev. 0 ft)
Last Update:
1:15 am EDT Apr 11, 2026
Forecast Valid:
1am EDT Apr 11, 2026-6pm EDT Apr 17, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation