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.

A Few Clouds

72°F

22°C

Humidity 83%
Wind Speed E 6 mph
Barometer 30.10 in
Dewpoint 66°F (19°C)
Visibility 7.00 mi
Last update 4 Dec 6:47 pm EST
Extended Forecast for

Port St. Lucie FL

  • Tonight

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

    Low: 63 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 84. Light south wind becoming south southwest 5 to 10 mph in the morning.

    High: 84 °F

    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 southwest wind becoming south southwest 5 to 10 mph in the morning.

    High: 85 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers. Partly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84. South southwest wind 5 to 10 mph.

    High: 84 °F

    Partly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. West southwest wind around 5 mph. Chance of precipitation is 50%.

    Low: 66 °F

    Chance
    Showers

  • Monday

    Monday: A 40 percent chance of showers. Mostly cloudy, with a high near 77. West wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

    High: 77 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 58. North wind around 5 mph, with gusts as high as 20 mph.

    Low: 58 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 63. Calm wind.
Friday
Sunny, with a high near 84. Light south wind becoming south southwest 5 to 10 mph in the morning.
Friday Night
Partly cloudy, with a low around 63. Calm wind.
Saturday
Mostly sunny, with a high near 85. Light southwest wind becoming south southwest 5 to 10 mph in the morning.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 65. Calm wind.
Sunday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84. South southwest wind 5 to 10 mph.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. West southwest wind around 5 mph. Chance of precipitation is 50%.
Monday
A 40 percent chance of showers. Mostly cloudy, with a high near 77. West wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 58. North wind around 5 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 74. North northeast wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 55. North northwest wind around 5 mph.
Wednesday
Mostly sunny, with a high near 74. North northwest wind around 5 mph.
Wednesday Night
Partly cloudy, with a low around 54. Calm wind becoming west northwest around 5 mph.
Thursday
Mostly sunny, with a high near 76. West wind 5 to 10 mph.
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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:
7:14 pm EST Dec 4, 2025
Forecast Valid:
7pm EST Dec 4, 2025-6pm EST Dec 11, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation