Fort Pierce South, FL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fort Pierce South, a community in St. Lucie County, Florida.
This Afternoon
88°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly sunny. High near 88, with temperatures falling to around 83 in the afternoon. East northeast wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Fort Pierce South
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 88°F | Chance Showers And Thunderstorms | 5 mph ENE | 54% |
| Tonight | 73°F | Chance Showers And Thunderstorms | 0 to 5 mph E | 51% |
| Sunday | 87°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 70% |
| Sunday Night | 72°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 5 mph ENE | 68% |
| Monday | 87°F | Chance Showers And Thunderstorms | 0 to 5 mph NE | 70% |
| Monday Night | 72°F | Showers And Thunderstorms Likely | 0 to 5 mph E | 70% |
| Tuesday | 88°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 70% |
| Tuesday Night | 72°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 5 mph ESE | 70% |
| Wednesday | 88°F | Chance Showers And Thunderstorms | 0 to 5 mph E | 77% |
| Wednesday Night | 73°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 to 5 mph NNE | 77% |
| Thursday | 88°F | Chance Showers And Thunderstorms | 0 to 10 mph N | 62% |
| Thursday Night | 73°F | Showers And Thunderstorms Likely | 0 to 5 mph NNE | 62% |
| Friday | 88°F | Showers And Thunderstorms Likely | 0 to 10 mph NNE | 59% |
| Friday Night | 73°F | Showers And Thunderstorms Likely | 0 to 10 mph NNE | 59% |
Forecast source: National Weather Service (api.weather.gov) for Fort Pierce South (27.410, -80.354). Updated through the day.
Growing snapshot for Fort Pierce South
Last spring frost
Jan 22
First fall frost
Jan 12
Growing season
365 days
Hardiness zone
10a
More local growing data for Fort Pierce South: nearby ZIP 34981 weather · frost dates · planting calendar · Florida frost dates
Nearby towns & communities
Fort Pierce
Fort Pierce North
Indian River Estates
Lakewood Park
Port St. Lucie
River Park
St. Lucie Village
White City
Climate data from the nearest NOAA station, Ft Pierce, Fl (3.6 mi from Fort Pierce South). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.