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

Record Breaking Temperatures and Critical Fire Weather

More than 200 record or near record maximum temperatures are forecast across the southern half of the U.S. through the end of this week before additional record temperatures center back over the Southwest U.S. into the Rockies this weekend. Widespread record breaking warmth, low humidity, and gusty winds will produce critical fire weather today in the central Rockies to Plains. Read More >

Current conditions at

Key West International Airport (KEYW)

Lat: 24.56°NLon: 81.76°WElev: 3ft.

Fair

78°F

26°C

Humidity 56%
Wind Speed E 12 mph
Barometer 30.06 in (1018.4 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 25 Mar 6:53 pm EDT
Extended Forecast for

3 Miles SW Marquesas Keys FL

  • Tonight

    Tonight: Mostly clear, with a low around 73. East wind around 10 mph.

    Low: 73 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 77. East wind around 15 mph.

    High: 77 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 73. East wind around 15 mph.

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 77. Northeast wind around 15 mph.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: A slight chance of showers. Mostly clear, with a low around 73. East wind around 15 mph. Chance of precipitation is 10%.

    Low: 73 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers. Sunny, with a high near 77. Chance of precipitation is 10%.

    High: 77 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 73. Breezy.

    Low: 73 °F

    Mostly Clear
    then Mostly
    Clear and
    Breezy

  • Sunday

    Sunday: A slight chance of showers. Sunny, with a high near 77. Windy. Chance of precipitation is 20%.

    High: 77 °F

    Slight Chance
    Showers and
    Windy

  • Sunday Night

    Sunday Night: A slight chance of showers. Partly cloudy, with a low around 73. Very windy. Chance of precipitation is 20%.

    Low: 73 °F

    Slight Chance
    Showers and
    Very Windy

Detailed Forecast

Tonight
Mostly clear, with a low around 73. East wind around 10 mph.
Thursday
Sunny, with a high near 77. East wind around 15 mph.
Thursday Night
Mostly clear, with a low around 73. East wind around 15 mph.
Friday
Sunny, with a high near 77. Northeast wind around 15 mph.
Friday Night
A slight chance of showers. Mostly clear, with a low around 73. East wind around 15 mph. Chance of precipitation is 10%.
Saturday
A slight chance of showers. Sunny, with a high near 77. Chance of precipitation is 10%.
Saturday Night
Mostly clear, with a low around 73. Breezy.
Sunday
A slight chance of showers. Sunny, with a high near 77. Windy. Chance of precipitation is 20%.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 73. Very windy. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 77. Windy.
Monday Night
Partly cloudy, with a low around 73. Windy.
Tuesday
Mostly sunny, with a high near 77. Windy.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 74. Windy. Chance of precipitation is 10%.
Wednesday
A slight chance of showers. Mostly cloudy, with a high near 78. Windy. Chance of precipitation is 20%.
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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:
6:15 pm EDT Mar 25, 2026
Forecast Valid:
7pm EDT Mar 25, 2026-6pm EDT Apr 1, 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