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

79°F

26°C

Humidity 65%
Wind Speed NW 7 mph
Barometer 30.16 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 11 Jan 10:47 am EST
Extended Forecast for

Port St. Lucie FL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 83. North northwest wind 5 to 10 mph.

    High: 83 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 60. North wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 60 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 73. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 73 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 60. North northeast wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 75. Northeast wind around 5 mph.

    High: 75 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 74. Light southwest wind becoming west 5 to 10 mph in the morning. Chance of precipitation is 50%.

    High: 74 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 53. Calm wind becoming west around 5 mph.

    Low: 53 °F

    Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers. Partly sunny, with a high near 70. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 70 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Partly sunny, with a high near 83. North northwest wind 5 to 10 mph.
Tonight
Mostly cloudy, with a low around 60. North wind 10 to 15 mph, with gusts as high as 30 mph.
Monday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 73. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 60. North northeast wind around 5 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 75. Northeast wind around 5 mph.
Tuesday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 59. Calm wind.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 74. Light southwest wind becoming west 5 to 10 mph in the morning. Chance of precipitation is 50%.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 53. Calm wind becoming west around 5 mph.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 70. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 39. Northwest wind around 5 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 65. Northwest wind around 5 mph.
Friday Night
Mostly clear, with a low around 45. Calm wind.
Saturday
Mostly sunny, with a high near 73. Calm wind becoming northeast around 5 mph in the morning.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Port St. Lucie FL
 27.27°N 80.36°W (Elev. 16 ft)
Last Update:
11:14 am EST Jan 11, 2026
Forecast Valid:
12pm EST Jan 11, 2026-6pm EST Jan 17, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

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