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

75°F

24°C

Humidity 100%
Wind Speed Calm
Barometer 30.06 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Last update 25 Jun 7:50 am EDT
Extended Forecast for

Port St. Lucie-River Park FL

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 93. Heat index values as high as 102. South wind around 5 mph.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 76. South wind around 5 mph becoming calm in the evening.

    Low: 76 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 92. Heat index values as high as 102. Light south southeast wind becoming east southeast 5 to 10 mph in the afternoon.

    High: 92 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 77. East southeast wind around 5 mph becoming calm in the evening.

    Low: 77 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 92. Light and variable wind becoming east 5 to 10 mph in the afternoon.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 76. East southeast wind around 5 mph becoming calm.

    Low: 76 °F

    Chance
    T-storms then
    Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 93. Light and variable wind becoming east 5 to 10 mph in the afternoon.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 76. East southeast wind around 5 mph becoming calm.

    Low: 76 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 94. Calm wind becoming east around 5 mph in the afternoon.

    High: 94 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 93. Heat index values as high as 102. South wind around 5 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 76. South wind around 5 mph becoming calm in the evening.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 92. Heat index values as high as 102. Light south southeast wind becoming east southeast 5 to 10 mph in the afternoon.
Friday Night
A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 77. East southeast wind around 5 mph becoming calm in the evening.
Saturday
A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 92. Light and variable wind becoming east 5 to 10 mph in the afternoon.
Saturday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 76. East southeast wind around 5 mph becoming calm.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 93. Light and variable wind becoming east 5 to 10 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 76. East southeast wind around 5 mph becoming calm.
Monday
A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 94. Calm wind becoming east 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. East southeast wind around 5 mph becoming calm.
Tuesday
Showers and thunderstorms likely. Mostly sunny, with a high near 93. Light and variable wind becoming east 5 to 10 mph in the afternoon. Chance of precipitation is 60%.
Tuesday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 76. East wind around 5 mph becoming calm. Chance of precipitation is 60%.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. Light east northeast wind increasing to 5 to 10 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Port St. Lucie-River Park FL
 27.31°N 80.33°W (Elev. 7 ft)
Last Update:
7:29 am EDT Jun 25, 2026
Forecast Valid:
8am EDT Jun 25, 2026-6pm EDT Jul 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation