National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Witham Field Airport (KSUA)

Lat: 27.18°NLon: 80.23°WElev: 13ft.

Fair

81°F

27°C

Humidity 100%
Wind Speed Calm
Barometer 29.91 in
Dewpoint 81°F (27°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 10 Oct 3:55 am EDT
Extended Forecast for

Port St. Lucie FL

  • Today

    Today: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Increasing clouds, with a high near 91. Heat index values as high as 103. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 91 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 11pm. Partly cloudy, with a low around 76. South southeast wind 5 to 10 mph.

    Low: 76 °F

    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 90. Heat index values as high as 103. South wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 90 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms, mainly between 7pm and 2am. Some of the storms could produce heavy rainfall. Partly cloudy, with a low around 73. Calm wind. Chance of precipitation is 60%.

    Low: 73 °F

    Heavy Rain
    then Chance
    Showers

  • Columbus Day

    Columbus Day: A 10 percent chance of showers before 8am. Sunny, with a high near 87. North wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 87 °F

    Slight Chance
    Showers then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 68. North wind around 5 mph becoming calm.

    Low: 68 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87. North northeast wind 5 to 10 mph.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86. Northeast wind 5 to 10 mph.

    High: 86 °F

    Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Increasing clouds, with a high near 91. Heat index values as high as 103. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 11pm. Partly cloudy, with a low around 76. South southeast wind 5 to 10 mph.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 90. Heat index values as high as 103. South wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms, mainly between 7pm and 2am. Some of the storms could produce heavy rainfall. Partly cloudy, with a low around 73. Calm wind. Chance of precipitation is 60%.
Columbus Day
A 10 percent chance of showers before 8am. Sunny, with a high near 87. North wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 68. North wind around 5 mph becoming calm.
Tuesday
Sunny, with a high near 87. North northeast wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 70. Calm wind.
Wednesday
Sunny, with a high near 86. Northeast wind 5 to 10 mph.
Wednesday Night
Clear, with a low around 71. Calm wind.
Thursday
A 20 percent chance of showers. Sunny, with a high near 87. East northeast wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
A 10 percent chance of showers. Mostly clear, with a low around 72. East northeast wind around 5 mph becoming calm after midnight.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. East northeast wind 5 to 15 mph, with gusts as high as 25 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Port St. Lucie FL
 27.27°N 80.34°W (Elev. 7 ft)
Last Update:
2:39 am EDT Oct 10, 2026
Forecast Valid:
4am EDT Oct 10, 2026-6pm EDT Oct 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation