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.

Fair

66°F

19°C

Humidity 100%
Wind Speed Calm
Barometer 30.08 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 3 Dec 7:48 pm EST
Extended Forecast for

Port St. Lucie FL

  • Tonight

    Tonight: Partly cloudy, with a low around 59. Calm wind.

    Low: 59 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 79. North northwest wind around 5 mph becoming northeast in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 63. Northeast wind around 5 mph becoming calm.

    Low: 63 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 84. South wind 5 to 10 mph.

    High: 84 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 85. Light south southwest wind increasing to 5 to 10 mph in the morning.

    High: 85 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 66. South wind around 5 mph becoming calm.

    Low: 66 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 84. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    High: 84 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 64. West wind around 5 mph.

    Low: 64 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 59. Calm wind.
Thursday
Mostly sunny, with a high near 79. North northwest wind around 5 mph becoming northeast in the afternoon.
Thursday Night
Partly cloudy, with a low around 63. Northeast wind around 5 mph becoming calm.
Friday
Mostly sunny, with a high near 84. South wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 63. Calm wind.
Saturday
Mostly sunny, with a high near 85. Light south southwest wind increasing to 5 to 10 mph in the morning.
Saturday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 66. South wind around 5 mph becoming calm.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 84. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 64. West wind around 5 mph.
Monday
A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 76. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 54. North wind around 5 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 73. North northeast wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 53. North wind around 5 mph.
Wednesday
Mostly sunny, with a high near 74. North wind 5 to 10 mph becoming east in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Port St. Lucie FL
 27.27°N 80.36°W (Elev. 16 ft)
Last Update:
8:14 pm EST Dec 3, 2025
Forecast Valid:
8pm EST Dec 3, 2025-6pm EST Dec 10, 2025
 
Forecast Discussion
 
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Additional Resources

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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