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

81°F

27°C

Humidity 100%
Wind Speed Vrbl 3 mph
Barometer 30.04 in
Dewpoint 81°F (27°C)
Visibility 7.00 mi
Heat Index91°F (33°C)
Last update 14 Sep 8:47 am EDT
Extended Forecast for

2 Miles SW Port St. Lucie FL

  • Today

    Today: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Heat index values as high as 103. Calm wind becoming east around 5 mph in the afternoon.

    High: 91 °F

    Sunny then
    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 75. Calm wind.

    Low: 75 °F

    Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly before 5pm. Mostly sunny, with a high near 90. Heat index values as high as 102. Light east southeast wind becoming east northeast 5 to 10 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 76. East northeast wind around 5 mph. Chance of precipitation is 60%.

    Low: 76 °F

    T-storms
    Likely then
    Chance
    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 88. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    High: 88 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Low around 74. Northeast wind 5 to 15 mph. Chance of precipitation is 80%.

    Low: 74 °F

    Showers then
    Chance
    T-storms

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 88. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    High: 88 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 74. East northeast wind around 5 mph becoming calm in the evening.

    Low: 74 °F

    Chance
    T-storms

  • Friday

    Friday: Showers and thunderstorms, mainly after 2pm. High near 89. East wind 5 to 10 mph. Chance of precipitation is 80%.

    High: 89 °F

    Chance
    T-storms then
    T-storms

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Heat index values as high as 103. Calm wind becoming east around 5 mph in the afternoon.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 75. Calm wind.
Tuesday
Showers and thunderstorms likely, mainly before 5pm. Mostly sunny, with a high near 90. Heat index values as high as 102. Light east southeast wind becoming east northeast 5 to 10 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 76. East northeast wind around 5 mph. Chance of precipitation is 60%.
Wednesday
Showers and possibly a thunderstorm. High near 88. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Low around 74. Northeast wind 5 to 15 mph. Chance of precipitation is 80%.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 88. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 74. East northeast wind around 5 mph becoming calm in the evening.
Friday
Showers and thunderstorms, mainly after 2pm. High near 89. East wind 5 to 10 mph. Chance of precipitation is 80%.
Friday Night
Showers and thunderstorms, mainly before 8pm. Low around 74. Calm wind. Chance of precipitation is 80%.
Saturday
Showers and thunderstorms. High near 89. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 80%.
Saturday Night
Showers and thunderstorms. Low around 73. Calm wind. Chance of precipitation is 80%.
Sunday
Showers and thunderstorms. High near 90. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 80%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Port St. Lucie FL
 27.27°N 80.39°W (Elev. 23 ft)
Last Update:
8:55 am EDT Sep 14, 2026
Forecast Valid:
9am EDT Sep 14, 2026-6pm EDT Sep 20, 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