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

75°F

24°C

Humidity 74%
Wind Speed NE 5 mph
Barometer 30.10 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 29 Jun 1:35 am EDT
Extended Forecast for

Port St. Lucie FL

  • Overnight

    Overnight: Mostly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 88. Calm wind becoming southeast around 5 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 89. Light south southeast wind becoming southeast 5 to 10 mph in the morning. Chance of precipitation is 50%.

    High: 89 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 5am, then a slight chance of showers. Partly cloudy, with a low around 72. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 89. Calm wind becoming south southeast around 5 mph in the morning. Chance of precipitation is 70%.

    High: 89 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 72. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 72 °F

    T-storms
    Likely then
    Chance
    Showers

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 91. Light south southwest wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 70%.

    High: 91 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 2am, then a slight chance of showers. Mostly cloudy, with a low around 74. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 74 °F

    T-storms
    Likely then
    Chance
    T-storms

Detailed Forecast

Overnight
Mostly cloudy, with a low around 72. Calm wind.
Sunday
A 50 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 88. Calm wind becoming southeast around 5 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 40 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 72. Calm wind.
Monday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 89. Light south southeast wind becoming southeast 5 to 10 mph in the morning. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms before 5am, then a slight chance of showers. Partly cloudy, with a low around 72. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Tuesday
A chance of showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 89. Calm wind becoming south southeast around 5 mph in the morning. Chance of precipitation is 70%.
Tuesday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 72. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Wednesday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 91. Light south southwest wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 70%.
Wednesday Night
Showers and thunderstorms likely before 2am, then a slight chance of showers. Mostly cloudy, with a low around 74. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Thursday
A slight chance of showers, then showers and thunderstorms likely after 8am. Partly sunny, with a high near 90. South southwest wind 5 to 10 mph. Chance of precipitation is 70%.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 74. South southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Independence Day
Showers and thunderstorms likely. Mostly cloudy, with a high near 89. South southwest wind around 5 mph. Chance of precipitation is 70%.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 73. South wind around 5 mph becoming calm. Chance of precipitation is 60%.
Saturday
Showers and thunderstorms likely. Partly sunny, with a high near 89. South southeast wind 5 to 10 mph. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
Port St. Lucie FL
 27.27°N 80.36°W (Elev. 16 ft)
Last Update:
1:39 am EDT Jun 29, 2025
Forecast Valid:
1am EDT Jun 29, 2025-6pm EDT Jul 5, 2025
 
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Additional Resources

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Chance of Precipitation