Current conditions at

Witham Field Airport (KSUA)

Lat: 27.18°NLon: 80.23°WElev: 13ft.

Partly Cloudy

88°F

31°C

Humidity 75%
Wind Speed Vrbl 3 mph
Barometer 29.91 in
Dewpoint 79°F (26°C)
Visibility 7.00 mi
Heat Index103°F (39°C)
Last update 18 Aug 9:47 am EDT
Extended Forecast for

Port St. Lucie FL

  • Today

    Today: A 50 percent chance of showers and thunderstorms after 2pm.  Sunny, with a high near 93. Heat index values as high as 103. Light north northeast wind becoming northeast 5 to 10 mph in the afternoon.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 8pm.  Mostly clear, with a low around 76. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 76 °F

    Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms.  Sunny, with a high near 92. Heat index values as high as 102. North northeast wind 5 to 15 mph, with gusts as high as 20 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm.  Partly cloudy, with a low around 75. North wind 5 to 10 mph.

    Low: 75 °F

    Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers, then showers and thunderstorms likely after 11am.  Mostly sunny, with a high near 94. West northwest wind around 10 mph.  Chance of precipitation is 60%.

    High: 94 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Wednesday Night

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

    Low: 74 °F

    T-storms
    Likely then
    Chance
    T-storms

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly after 2pm.  Sunny, with a high near 94. West wind around 5 mph.  Chance of precipitation is 70%.

    High: 94 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Thursday Night

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

    Low: 74 °F

    T-storms
    Likely then
    Chance
    T-storms

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 2pm.  Mostly sunny, with a high near 93. West wind around 5 mph becoming north in the afternoon.  Chance of precipitation is 70%.

    High: 93 °F

    Chance
    T-storms then
    T-storms
    Likely

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 93. Heat index values as high as 103. Light north northeast wind becoming northeast 5 to 10 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly clear, with a low around 76. Northeast wind around 5 mph becoming calm in the evening.
Tuesday
A 50 percent chance of showers and thunderstorms. Sunny, with a high near 92. Heat index values as high as 102. North northeast wind 5 to 15 mph, with gusts as high as 20 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 75. North wind 5 to 10 mph.
Wednesday
A chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 94. West northwest wind around 10 mph. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 74. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Thursday
Showers and thunderstorms likely, mainly after 2pm. Sunny, with a high near 94. West wind around 5 mph. Chance of precipitation is 70%.
Thursday Night
Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 74. South wind around 5 mph becoming calm. Chance of precipitation is 60%.
Friday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 93. West wind around 5 mph becoming north in the afternoon. Chance of precipitation is 70%.
Friday Night
Showers and thunderstorms likely before 2am, then a slight chance of showers. Partly cloudy, with a low around 75. East southeast wind around 5 mph becoming calm. Chance of precipitation is 60%.
Saturday
Showers and thunderstorms likely. Mostly sunny, with a high near 92. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 70%.
Saturday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 74. Southeast wind around 5 mph becoming calm. Chance of precipitation is 60%.
Sunday
Showers and thunderstorms likely. Mostly sunny, with a high near 93. Calm wind becoming southwest around 5 mph in the morning. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
Port St. Lucie FL
 27.27°N 80.36°W (Elev. 16 ft)
9:56 am EDT Aug 18, 2025
9am EDT Aug 18, 2025-6pm EDT Aug 24, 2025
 
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