Port St. Lucie, FL Weather & Growing Conditions
Tonight
77°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly cloudy, with a low around 77. Northeast wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 77°F | Chance Showers And Thunderstorms | 0 to 5 mph NE | 27% |
| Saturday | 84°F | Chance Showers And Thunderstorms | 0 to 10 mph NE | 50% |
| Saturday Night | 75°F | Chance Showers And Thunderstorms | 0 to 5 mph SSE | 40% |
| Sunday | 84°F | Showers And Thunderstorms Likely | 0 to 5 mph NNE | 70% |
| Sunday Night | 75°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 5 mph SSE | 70% |
| Monday | 84°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 to 5 mph S | 70% |
| Monday Night | 74°F | Showers And Thunderstorms Likely | 0 to 5 mph S | 70% |
| Tuesday | 86°F | Chance Showers And Thunderstorms | 0 to 5 mph SSE | 82% |
| Tuesday Night | 75°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 to 5 mph SSE | 82% |
| Wednesday | 85°F | Chance Showers And Thunderstorms | 0 to 5 mph SSE | 79% |
| Wednesday Night | 75°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 to 5 mph SSE | 79% |
| Thursday | 85°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 to 10 mph NW | 67% |
| Thursday Night | 76°F | Showers And Thunderstorms Likely | 0 to 5 mph NE | 67% |
| Friday | 85°F | Chance Showers And Thunderstorms | 5 to 10 mph NNE | 67% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Port St. Lucie, FL
Growing season
365 days
Hardiness zone
10b
Explore more for Port St. Lucie, FL: full frost dates · planting calendar · Florida frost dates
Climate data from the nearest NOAA station, Nettles Is, Fl (1.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.