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.

Light Rain Fog/Mist

72°F

22°C

Humidity 88%
Wind Speed NE 8 G 17 mph
Barometer 30.17 in
Dewpoint 68°F (20°C)
Visibility 1.00 mi
Last update 3 Mar 12:35 am EST
Extended Forecast for

Port St. Lucie FL

  • Overnight

    Overnight: A 20 percent chance of showers before 5am. Mostly cloudy, with a low around 63. East northeast wind around 5 mph.

    Low: 63 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers between 1pm and 4pm. Mostly sunny, with a high near 80. East wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 80 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers between 11pm and 1am. Partly cloudy, with a low around 65. East wind around 5 mph. Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 81. East wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 81 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 66. East wind around 5 mph.

    Low: 66 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 82 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 66. East wind around 5 mph. Chance of precipitation is 20%.

    Low: 66 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 83. East wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 83 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 66. East wind around 5 mph.

    Low: 66 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers before 5am. Mostly cloudy, with a low around 63. East northeast wind around 5 mph.
Tuesday
A 20 percent chance of showers between 1pm and 4pm. Mostly sunny, with a high near 80. East wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
A slight chance of showers between 11pm and 1am. Partly cloudy, with a low around 65. East wind around 5 mph. Chance of precipitation is 20%.
Wednesday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 81. East wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 66. East wind around 5 mph.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Thursday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 66. East wind around 5 mph. Chance of precipitation is 20%.
Friday
A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 83. East wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 66. East wind around 5 mph.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 66. East wind around 5 mph becoming calm in the evening.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82. East southeast wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 65. East southeast wind around 5 mph becoming calm in the evening.
Monday
A 20 percent chance of showers. Sunny, with a high near 83. East southeast wind 5 to 10 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:
12:40 am EST Mar 3, 2026
Forecast Valid:
12am EST Mar 3, 2026-6pm EDT Mar 9, 2026
 
Forecast Discussion
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

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