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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 Index | 103°F (39°C) |
Last update | 18 Aug 9:47 am EDT |
Extended Forecast for
Port St. Lucie FL
Today
High: 93 °F
Sunny then
Chance
T-stormsTonight
Low: 76 °F
Chance
T-storms then
Mostly ClearTuesday
High: 92 °F
Chance
Showers then
Chance
T-stormsTuesday Night
Low: 75 °F
Chance
T-storms then
Mostly ClearWednesday
High: 94 °F
Chance
T-storms then
T-storms
LikelyWednesday Night
Low: 74 °F
T-storms
Likely then
Chance
T-stormsThursday
High: 94 °F
Chance
T-storms then
T-storms
LikelyThursday Night
Low: 74 °F
T-storms
Likely then
Chance
T-stormsFriday
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%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Port St. Lucie FL
27.27°N 80.36°W (Elev. 16 ft)
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