Port St. Lucie, FL Weather & Growing Conditions
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 less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 88°F | Chance Showers And Thunderstorms | 5 mph ENE | 46% |
| Tonight | 73°F | Chance Showers And Thunderstorms | 0 to 5 mph NE | 44% |
| Sunday | 87°F | Showers And Thunderstorms Likely | 0 to 5 mph N | 66% |
| Sunday Night | 72°F | Chance Showers And Thunderstorms | 0 to 5 mph E | 46% |
| Monday | 87°F | Showers And Thunderstorms Likely | 0 to 5 mph NNE | 74% |
| Monday Night | 72°F | Showers And Thunderstorms Likely | 0 to 5 mph ESE | 74% |
| Tuesday | 88°F | Showers And Thunderstorms Likely | 0 to 5 mph SE | 74% |
| Tuesday Night | 73°F | Showers And Thunderstorms Likely | 0 to 5 mph E | 74% |
| Wednesday | 87°F | Chance Showers And Thunderstorms | 0 to 5 mph NNE | 81% |
| Wednesday Night | 73°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 to 5 mph NNE | 81% |
| Thursday | 87°F | Chance Showers And Thunderstorms | 0 to 10 mph N | 60% |
| Thursday Night | 74°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 5 mph NNE | 60% |
| Friday | 87°F | Chance Showers And Thunderstorms | 5 to 10 mph NNE | 61% |
| Friday Night | 73°F | Showers And Thunderstorms Likely | 0 to 10 mph NNE | 61% |
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
10a
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 (4.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.