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

Witham Field Airport (KSUA)

Lat: 27.18°NLon: 80.23°WElev: 13ft.

Partly Cloudy

63°F

17°C

Humidity 42%
Wind Speed N 14 G 23 mph
Barometer 30.17 in
Dewpoint 39°F (4°C)
Visibility 7.00 mi
Last update 28 Jan 2:47 pm EST
Extended Forecast for

Port St. Lucie FL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 65. North wind around 10 mph.

    High: 65 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 38. North northwest wind around 5 mph, with gusts as high as 20 mph.

    Low: 38 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 68. Wind chill values as low as 34 early. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 49. Calm wind.

    Low: 49 °F

    Increasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 71. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 71 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 51. Calm wind becoming west southwest around 5 mph.

    Low: 51 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers before 1pm. Partly sunny, with a high near 66. West wind 5 to 15 mph, with gusts as high as 30 mph.

    High: 66 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 27. West northwest wind around 15 mph, with gusts as high as 35 mph.

    Low: 27 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 51. West northwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 51 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 65. North wind around 10 mph.
Tonight
Mostly clear, with a low around 38. North northwest wind around 5 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 68. Wind chill values as low as 34 early. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Increasing clouds, with a low around 49. Calm wind.
Friday
Partly sunny, with a high near 71. Calm wind becoming west northwest around 5 mph in the afternoon.
Friday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 51. Calm wind becoming west southwest around 5 mph.
Saturday
A 40 percent chance of showers before 1pm. Partly sunny, with a high near 66. West wind 5 to 15 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 27. West northwest wind around 15 mph, with gusts as high as 35 mph.
Sunday
Sunny, with a high near 51. West northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Sunday Night
Clear, with a low around 27. West northwest wind around 5 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 56. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 34. Calm wind becoming northwest around 5 mph.
Tuesday
Sunny, with a high near 64. North wind around 5 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Port St. Lucie FL
 27.27°N 80.36°W (Elev. 16 ft)
Last Update:
3:14 pm EST Jan 28, 2026
Forecast Valid:
3pm EST Jan 28, 2026-6pm EST Feb 3, 2026
 
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