| NWS Forecast for: Fort Pierce South FL Issued by: National Weather Service Melbourne, FL Last Update: 11:14 am EDT Sep 12, 2026 | |
| This Afternoon: Showers and thunderstorms likely, mainly between 2pm and 4pm. Partly sunny, with a high near 89. Heat index values as high as 102. Southeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Tonight: A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 74. Southeast wind around 5 mph becoming calm. Sunday: Showers and thunderstorms likely, mainly between 3pm and 5pm. Increasing clouds, with a high near 89. Heat index values as high as 102. Calm wind becoming east northeast around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 73. Calm wind. Monday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Calm wind becoming east northeast around 5 mph in the afternoon. Monday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 75. Calm wind. Tuesday: Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 89. Light northeast wind becoming east northeast 10 to 15 mph in the morning. Chance of precipitation is 70%. Tuesday Night: Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 75. East northeast wind around 5 mph. Chance of precipitation is 60%. Wednesday: Showers and possibly a thunderstorm. High near 87. Windy, with a northeast wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. Wednesday Night: Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 74. East northeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. Thursday: Showers and thunderstorms likely. Mostly sunny, with a high near 88. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. Thursday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 74. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. Friday: Showers and thunderstorms likely. Mostly sunny, with a high near 87. East wind 5 to 10 mph. Chance of precipitation is 70%. | |
| Fort Pierce South FL 27.43°N 80.37°W (Elev. 13 ft) | |
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