| NWS Forecast for: Fort Pierce South FL Issued by: National Weather Service Melbourne, FL Last Update: 2:39 am EDT Sep 11, 2026 |  |
| Overnight: Partly cloudy, with a low around 75. Calm wind. Friday: A 50 percent chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 90. Heat index values as high as 102. Light east wind becoming east southeast 5 to 10 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Friday Night: A slight chance of showers and thunderstorms before 3am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 75. Southeast wind around 5 mph becoming calm. Chance of precipitation is 20%. Saturday: Showers and thunderstorms likely, mainly between 2pm and 5pm. Mostly sunny, with a high near 90. Heat index values as high as 103. Light and variable wind becoming east southeast 5 to 10 mph in the afternoon. Chance of precipitation is 70%. Saturday Night: Showers and thunderstorms likely, mainly between 7pm and 8pm. Partly cloudy, with a low around 74. Calm wind. Chance of precipitation is 60%. Sunday: A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 90. Calm wind becoming east southeast around 5 mph in the afternoon. Chance of precipitation is 80%. Sunday Night: Showers and possibly a thunderstorm before 8pm. Low around 74. Calm wind. Chance of precipitation is 80%. Monday: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 90. Calm wind becoming east 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 and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 89. Light east wind becoming east northeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 60%. Tuesday Night: Showers and thunderstorms likely. Partly cloudy, with a low around 75. East northeast wind around 5 mph. Chance of precipitation is 60%. Wednesday: Showers and thunderstorms likely. Partly sunny, with a high near 88. East northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. Wednesday Night: Showers and thunderstorms likely. Partly cloudy, with a low around 75. East northeast wind 5 to 10 mph. Chance of precipitation is 60%. Thursday: Showers and possibly a thunderstorm. High near 88. East northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. | |
| Fort Pierce South FL 27.43°N 80.37°W (Elev. 13 ft) | |
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