Port St. Lucie, FL Weather & Growing Conditions
Tonight
73°F
Slight Chance Rain Showers
A slight chance of rain showers. Partly cloudy, with a low around 73. East wind around 5 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 73°F | Slight Chance Rain Showers | 5 mph E | 22% |
| Wednesday | 85°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 to 10 mph E | 20% |
| Wednesday Night | 70°F | Partly Cloudy | 0 to 5 mph NE | 7% |
| Thursday | 85°F | Sunny | 0 to 10 mph NE | 3% |
| Thursday Night | 68°F | Mostly Clear | 0 to 5 mph NNE | 3% |
| Friday | 85°F | Sunny | 0 to 5 mph NNE | 5% |
| Friday Night | 66°F | Partly Cloudy | 0 mph | 5% |
| Saturday | 84°F | Mostly Sunny | 0 to 5 mph NNW | 4% |
| Saturday Night | 66°F | Mostly Clear | 0 mph | 4% |
| Sunday | 83°F | Mostly Sunny | 0 to 5 mph NNW | 13% |
| Sunday Night | 65°F | Partly Cloudy | 0 to 5 mph NNW | 13% |
| Monday | 80°F | Chance Rain Showers | 5 to 10 mph N | 25% |
| Monday Night | 63°F | Chance Rain Showers then Partly Cloudy | 5 mph NNE | 25% |
| Tuesday | 79°F | Slight Chance Rain Showers | 5 to 10 mph NE | 21% |
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 Nov 4, 2026.