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

72°F

22°C

Humidity 100%
Wind Speed Vrbl 5 mph
Barometer 30.02 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 7 Dec 8:47 am EST
Extended Forecast for

Port St. Lucie FL

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 4pm. Patchy fog before 10am. Otherwise, mostly sunny, with a high near 85. Southwest wind 5 to 10 mph.

    High: 85 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Calm wind becoming west southwest around 5 mph after midnight. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    Showers

  • Monday

    Monday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 80. West southwest wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 80 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 61. North wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 74. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 74 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 61. Northeast wind around 5 mph becoming calm.

    Low: 61 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 78. Calm wind becoming north northwest around 5 mph in the morning.

    High: 78 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 76. Calm wind becoming northwest around 5 mph in the morning.

    High: 76 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 4pm. Patchy fog before 10am. Otherwise, mostly sunny, with a high near 85. Southwest wind 5 to 10 mph.
Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Calm wind becoming west southwest around 5 mph after midnight. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 80. West southwest wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Mostly cloudy, with a low around 61. North wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 74. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 61. Northeast wind around 5 mph becoming calm.
Wednesday
Mostly sunny, with a high near 78. Calm wind becoming north northwest around 5 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 55. Calm wind.
Thursday
Sunny, with a high near 76. Calm wind becoming northwest around 5 mph in the morning.
Thursday Night
Partly cloudy, with a low around 56. Calm wind.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80. Calm wind becoming southwest around 5 mph in the morning.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Calm wind becoming west northwest around 5 mph after midnight.
Saturday
A 20 percent chance of showers. Partly sunny, with a high near 73. North wind 5 to 10 mph, with gusts as high as 20 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:
9:14 am EST Dec 7, 2025
Forecast Valid:
9am EST Dec 7, 2025-6pm EST Dec 13, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation