Port St. Lucie, FL Weather & Growing Conditions
Overnight
73°F
Partly Cloudy
Partly cloudy, with a low around 73. North northwest wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 73°F | Partly Cloudy | 0 mph | 9% |
| Saturday | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph NE | 57% |
| Saturday Night | 73°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 5 mph E | 58% |
| Sunday | 88°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph NNE | 70% |
| Sunday Night | 72°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 5 mph ENE | 61% |
| Monday | 88°F | Chance Showers And Thunderstorms | 0 to 5 mph ENE | 70% |
| Monday Night | 72°F | Showers And Thunderstorms Likely | 0 to 5 mph E | 70% |
| Tuesday | 88°F | Chance Showers And Thunderstorms | 0 to 5 mph SSE | 70% |
| Tuesday Night | 73°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 | 79% |
| Wednesday Night | 73°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 to 5 mph NNE | 79% |
| Thursday | 88°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 to 5 mph NNE | 64% |
| Thursday Night | 73°F | Showers And Thunderstorms Likely | 0 to 5 mph NNE | 64% |
| Friday | 88°F | Chance Showers And Thunderstorms | 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
Last spring frost
Jan 22
First fall frost
Jan 12
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, Ft Pierce, Fl (8.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.