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.

Partly Cloudy

86°F

30°C

Humidity 66%
Wind Speed E 14 mph
Barometer 30.05 in
Dewpoint 73°F (23°C)
Visibility 7.00 mi
Heat Index93°F (34°C)
Last update 20 May 2:47 pm EDT
Extended Forecast for

2 Miles SW Port St. Lucie FL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers before 3pm. Mostly sunny, with a high near 88. East wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 88 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 73. East wind 5 to 10 mph becoming light and variable after midnight.

    Low: 73 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers before 2pm, then a slight chance of showers and thunderstorms between 2pm and 3pm, then a slight chance of showers after 3pm. Sunny, with a high near 88. Light east southeast wind becoming east 10 to 15 mph in the morning. Chance of precipitation is 20%.

    High: 88 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 75. East southeast wind 5 to 10 mph becoming light southeast in the evening. Winds could gust as high as 20 mph.

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers, with thunderstorms also possible after 11am. Mostly sunny, with a high near 90. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 90 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 76. East southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers, with thunderstorms also possible after 11am. Mostly sunny, with a high near 90. East southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 90 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 76. East southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 90. East southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 90 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers before 3pm. Mostly sunny, with a high near 88. East wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 73. East wind 5 to 10 mph becoming light and variable after midnight.
Thursday
A slight chance of showers before 2pm, then a slight chance of showers and thunderstorms between 2pm and 3pm, then a slight chance of showers after 3pm. Sunny, with a high near 88. Light east southeast wind becoming east 10 to 15 mph in the morning. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 75. East southeast wind 5 to 10 mph becoming light southeast in the evening. Winds could gust as high as 20 mph.
Friday
A slight chance of showers, with thunderstorms also possible after 11am. Mostly sunny, with a high near 90. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 76. East southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
A slight chance of showers, with thunderstorms also possible after 11am. Mostly sunny, with a high near 90. East southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 76. East southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 90. East southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 76. East southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Memorial Day
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. East southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
A chance of thunderstorms. Mostly clear, with a low around 76. East southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. East southeast wind 10 to 15 mph, with gusts as high as 20 mph.
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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:
2:39 pm EDT May 20, 2026
Forecast Valid:
2pm EDT May 20, 2026-6pm EDT May 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation