Record Heat Remains in Place This Week; Severe Thunderstorms Possible Thursday

Record warmth will persist across portions of California, the Southwest U.S., the central Great Basin and return back to areas of the central/southern Plains and mid-lower Mississippi Valley this week. Over 200 new record high temperatures are forecast. Severe thunderstorms are being outlooked on Thursday over the Midwest. Read More >

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Fair

76°F

24°C

Humidity 62%
Wind Speed N 7 mph
Barometer 30.10 in (1019.3 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 23 Mar 1:53 pm EDT
Extended Forecast for

Plantation Key FL

  • This Afternoon

    This Afternoon: Sunny, with a high near 78. East wind around 5 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 69. Calm wind becoming northwest around 5 mph after midnight.

    Low: 69 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. North wind around 5 mph becoming southeast in the afternoon.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 69. Northeast wind around 5 mph.

    Low: 69 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 78. East wind around 5 mph.

    High: 78 °F

    Sunny

  • Wednesday Night

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

    Low: 70 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers.  Sunny, with a high near 79. Chance of precipitation is 10%.

    High: 79 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 78. East wind around 5 mph.
Tonight
Mostly clear, with a low around 69. Calm wind becoming northwest around 5 mph after midnight.
Tuesday
Sunny, with a high near 77. North wind around 5 mph becoming southeast in the afternoon.
Tuesday Night
Partly cloudy, with a low around 69. Northeast wind around 5 mph.
Wednesday
Sunny, with a high near 78. East wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 70.
Thursday
A slight chance of showers. Sunny, with a high near 79. Chance of precipitation is 10%.
Thursday Night
Mostly clear, with a low around 72.
Friday
Sunny, with a high near 79.
Friday Night
Mostly clear, with a low around 72.
Saturday
Sunny, with a high near 79.
Saturday Night
A slight chance of showers. Mostly clear, with a low around 71. Windy. Chance of precipitation is 20%.
Sunday
A chance of showers. Mostly sunny, with a high near 78. Windy. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Plantation Key FL
 24.97°N 80.56°W (Elev. 0 ft)
1:15 pm EDT Mar 23, 2026
2pm EDT Mar 23, 2026-6pm EDT Mar 29, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database