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

84°F

29°C

Humidity 89%
Wind Speed Calm
Barometer 30.11 in
Dewpoint 81°F (27°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 5 Aug 7:55 am EDT
Extended Forecast for

Port St. Lucie-River Park FL

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 92. Heat index values as high as 105. Light and variable wind becoming east 5 to 10 mph in the afternoon.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 76. East southeast wind around 5 mph becoming calm in the evening.

    Low: 76 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 92. Heat index values as high as 103. Light and variable wind becoming east northeast 5 to 10 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 75. East wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 90. Light and variable wind becoming east northeast 5 to 10 mph in the morning. Chance of precipitation is 60%.

    High: 90 °F

    T-storms
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 74. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 74 °F

    T-storms
    Likely

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 90. West northwest wind 5 to 10 mph becoming east southeast in the morning. Chance of precipitation is 70%.

    High: 90 °F

    T-storms
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 75. South southeast wind around 5 mph. Chance of precipitation is 60%.

    Low: 75 °F

    T-storms
    Likely

  • Saturday

    Saturday: Showers and thunderstorms, mainly after 2pm. High near 90. Southeast wind 5 to 10 mph. Chance of precipitation is 80%.

    High: 90 °F

    Chance
    T-storms then
    T-storms

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 92. Heat index values as high as 105. Light and variable wind becoming east 5 to 10 mph in the afternoon.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 76. East southeast wind around 5 mph becoming calm in the evening.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 92. Heat index values as high as 103. Light and variable wind becoming east northeast 5 to 10 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 75. East wind around 5 mph becoming calm in the evening.
Thursday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 90. Light and variable wind becoming east northeast 5 to 10 mph in the morning. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 74. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Friday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 90. West northwest wind 5 to 10 mph becoming east southeast in the morning. Chance of precipitation is 70%.
Friday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 75. South southeast wind around 5 mph. Chance of precipitation is 60%.
Saturday
Showers and thunderstorms, mainly after 2pm. High near 90. Southeast wind 5 to 10 mph. Chance of precipitation is 80%.
Saturday Night
Showers and thunderstorms, mainly before 8pm. Low around 76. South southeast wind around 5 mph. Chance of precipitation is 80%.
Sunday
Showers and thunderstorms likely. Partly sunny, with a high near 90. East southeast wind 5 to 10 mph. Chance of precipitation is 70%.
Sunday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 75. Southeast wind around 5 mph. Chance of precipitation is 60%.
Monday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. East southeast wind 5 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Port St. Lucie-River Park FL
 27.34°N 80.33°W (Elev. 3 ft)
Last Update:
8:14 am EDT Aug 5, 2025
Forecast Valid:
8am EDT Aug 5, 2025-6pm EDT Aug 11, 2025
 
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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