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

75°F

24°C

Humidity 74%
Wind Speed SE 8 mph
Barometer 30.12 in
Dewpoint 66°F (19°C)
Visibility 7.00 mi
Last update 10 Jan 5:47 pm EST
Extended Forecast for

Port St. Lucie-River Park FL

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 63. East southeast wind around 5 mph becoming calm.

    Low: 63 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 82. Light and variable wind becoming north 5 to 10 mph in the afternoon.

    High: 82 °F

    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 60. North wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 60 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 72. Northeast wind around 10 mph, with gusts as high as 20 mph.

    High: 72 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 60. North northeast wind around 5 mph.

    Low: 60 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 74. North northeast wind 5 to 10 mph.

    High: 74 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 58. Calm wind.

    Low: 58 °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 75. Calm wind becoming south southwest around 5 mph in the afternoon. Chance of precipitation is 50%.

    High: 75 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 53. Calm wind becoming west around 5 mph. Chance of precipitation is 50%.

    Low: 53 °F

    Chance
    Showers

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 63. East southeast wind around 5 mph becoming calm.
Sunday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 82. Light and variable wind becoming north 5 to 10 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 60. North wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
Mostly cloudy, with a high near 72. Northeast wind around 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 60. North northeast wind around 5 mph.
Tuesday
Partly sunny, with a high near 74. North northeast wind 5 to 10 mph.
Tuesday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 58. Calm wind.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 75. Calm wind becoming south southwest around 5 mph in the afternoon. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 53. Calm wind becoming west around 5 mph. Chance of precipitation is 50%.
Thursday
A 50 percent chance of showers. Partly sunny, with a high near 69. West wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
A 20 percent chance of showers. Mostly clear, with a low around 41. Northwest wind around 5 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 65. Northwest wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 47. Calm wind.
Saturday
Sunny, with a high near 72. Calm wind becoming northeast around 5 mph in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Port St. Lucie-River Park FL
 27.31°N 80.36°W (Elev. 10 ft)
Last Update:
5:14 pm EST Jan 10, 2026
Forecast Valid:
6pm EST Jan 10, 2026-6pm EST Jan 17, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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