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

73°F

23°C

Humidity 78%
Wind Speed E 9 G 15 mph
Barometer 30.17 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 3 Mar 12:00 am EST
Extended Forecast for

Port St. Lucie FL

  • Overnight

    Overnight: A slight chance of showers before 3am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 63. East northeast wind around 5 mph. Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers before 2pm, then a slight chance of showers after 3pm. Mostly sunny, with a high near 80. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers before 10pm, then a slight chance of showers and thunderstorms between 10pm and 1am. Partly cloudy, with a low around 65. East wind around 5 mph. Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms 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
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 66. East wind around 5 mph, with gusts as high as 20 mph.

    Low: 66 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent 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.

    High: 82 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

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

    Low: 66 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 82. East wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 82 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 66. East wind around 5 mph, with gusts as high as 20 mph.

    Low: 66 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A slight chance of showers before 3am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 63. East northeast wind around 5 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of showers before 2pm, then a slight chance of showers after 3pm. Mostly sunny, with a high near 80. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers before 10pm, then a slight chance of showers and thunderstorms between 10pm 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 and thunderstorms 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, with gusts as high as 20 mph.
Thursday
A 30 percent 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.
Thursday Night
Partly cloudy, with a low around 66. East wind around 5 mph.
Friday
A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 82. 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, with gusts as high as 20 mph.
Saturday
A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 82. East wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 66. East wind around 5 mph.
Sunday
A 30 percent chance of showers. Mostly sunny, with a high near 82. East southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 66. East southeast wind around 5 mph becoming calm in the evening.
Monday
A 20 percent chance of showers. Mostly sunny, with a high near 83. East southeast 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:
11:56 pm EST Mar 2, 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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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation