Port St. Lucie, FL Weather & Growing Conditions
Today
86°F
Partly Sunny then Showers And Thunderstorms Likely
Showers and thunderstorms likely between noon and 5pm, then showers and thunderstorms. Partly sunny. High near 86, with temperatures falling to around 81 in the afternoon. Southeast wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Partly Sunny then Showers And Thunderstorms Likely | 5 mph SE | 77% |
| Tonight | 77°F | Showers And Thunderstorms Likely then Mostly Cloudy | 0 to 5 mph SSE | 72% |
| Wednesday | 85°F | Chance Showers And Thunderstorms | 0 to 10 mph ESE | 60% |
| Wednesday Night | 79°F | Chance Showers And Thunderstorms | 10 mph ESE | 47% |
| Thursday | 85°F | Chance Showers And Thunderstorms | 10 to 15 mph E | 52% |
| Thursday Night | 79°F | Chance Showers And Thunderstorms | 10 to 15 mph E | 65% |
| Friday | 85°F | Showers And Thunderstorms Likely | 15 mph E | 68% |
| Friday Night | 78°F | Showers And Thunderstorms Likely | 10 to 15 mph ESE | 60% |
| Saturday | 87°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 10 to 15 mph SE | 58% |
| Saturday Night | 78°F | Showers And Thunderstorms Likely | 5 to 10 mph ESE | 58% |
| Sunday | 88°F | Chance Showers And Thunderstorms | 5 to 10 mph ESE | 37% |
| Sunday Night | 78°F | Chance Showers And Thunderstorms then Mostly Clear | 5 to 10 mph ESE | 37% |
| Monday | 88°F | Sunny then Chance Showers And Thunderstorms | 5 to 10 mph ESE | 31% |
| Monday Night | 78°F | Chance Showers And Thunderstorms then Mostly Clear | 5 to 10 mph SE | 31% |
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 Aug 4, 2026.