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

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

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Fair

69°F

21°C

Humidity 76%
Wind Speed NW 5 mph
Barometer 30.06 in (1017.7 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 22 Mar 5:53 am EDT
Extended Forecast for

Plantation Key FL

  • Today

    Today: Sunny, with a high near 77. Northwest wind around 5 mph becoming east in the afternoon.

    High: 77 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 67. East wind 5 to 10 mph becoming north after midnight.

    Low: 67 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 77. North wind 5 to 10 mph.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 67. Southeast wind around 5 mph becoming north after midnight.

    Low: 67 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. North wind 5 to 10 mph becoming east in the afternoon.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Wednesday Night

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

    Low: 70 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 77. Northwest wind around 5 mph becoming east in the afternoon.
Tonight
Mostly clear, with a low around 67. East wind 5 to 10 mph becoming north after midnight.
Monday
Sunny, with a high near 77. North wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 67. Southeast wind around 5 mph becoming north after midnight.
Tuesday
Sunny, with a high near 77. North wind 5 to 10 mph becoming east in the afternoon.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 70.
Thursday
Sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 71.
Friday
Sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 72.
Saturday
A slight chance of showers. Mostly sunny, with a high near 79. Chance of precipitation is 10%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Plantation Key FL
 24.97°N 80.56°W (Elev. 0 ft)
Last Update:
5:15 am EDT Mar 22, 2026
Forecast Valid:
5am EDT Mar 22, 2026-6pm EDT Mar 28, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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