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.

Mostly Cloudy

88°F

31°C

Humidity 75%
Wind Speed E 13 mph
Barometer 29.97 in
Dewpoint 79°F (26°C)
Visibility 7.00 mi
Heat Index103°F (39°C)
Last update 20 Jun 2:47 pm EDT
Extended Forecast for

2 Miles SW Port St. Lucie FL

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 92. Heat index values as high as 102. East wind around 5 mph.

    High: 92 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 11pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 74. Northeast wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 74 °F

    Heavy Rain
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 92. Calm wind becoming west around 5 mph.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms, mainly before 10pm. Partly cloudy, with a low around 75. East northeast wind around 5 mph becoming calm.

    Low: 75 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 93 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 76. Southeast wind around 5 mph becoming calm.

    Low: 76 °F

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Calm wind becoming south around 5 mph in the afternoon.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 75. South southeast wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 93 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 92. Heat index values as high as 102. East wind around 5 mph.
Tonight
Showers and thunderstorms likely, mainly before 11pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 74. Northeast wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 92. Calm wind becoming west around 5 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms, mainly before 10pm. Partly cloudy, with a low around 75. East northeast wind around 5 mph becoming calm.
Monday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Calm wind becoming southeast around 5 mph in the afternoon.
Monday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 76. Southeast wind around 5 mph becoming calm.
Tuesday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 75. South southeast wind around 5 mph becoming calm in the evening.
Wednesday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Calm wind becoming south southwest around 5 mph in the afternoon.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 75. South southeast wind around 5 mph becoming calm in the evening.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. Calm wind becoming south southeast around 5 mph in the afternoon.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76. Southeast wind around 5 mph becoming calm in the evening.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. Calm wind becoming southeast around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Port St. Lucie FL
 27.27°N 80.39°W (Elev. 23 ft)
Last Update:
2:40 pm EDT Jun 20, 2026
Forecast Valid:
3pm EDT Jun 20, 2026-6pm EDT Jun 26, 2026
 
Forecast Discussion
 
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Additional Resources

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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