Port Salerno, FL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Port Salerno, a community in Martin County, Florida.
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 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Port Salerno
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 88°F | Chance Showers And Thunderstorms | 5 mph ENE | 36% |
| Tonight | 74°F | Chance Showers And Thunderstorms | 0 to 5 mph NE | 30% |
| Saturday | 89°F | Chance Showers And Thunderstorms | 0 to 5 mph NE | 51% |
| Saturday Night | 73°F | Chance Showers And Thunderstorms | 0 to 5 mph ENE | 42% |
| Sunday | 89°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 to 5 mph NNE | 70% |
| Sunday Night | 72°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 5 mph SSE | 70% |
| Monday | 90°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 to 5 mph S | 70% |
| Monday Night | 72°F | Showers And Thunderstorms Likely | 0 to 5 mph S | 70% |
| Tuesday | 90°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 84% |
| Tuesday Night | 73°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 to 5 mph SSW | 84% |
| Wednesday | 89°F | Chance Showers And Thunderstorms | 0 to 5 mph SSE | 82% |
| Wednesday Night | 73°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 to 5 mph SSE | 82% |
| Thursday | 89°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 to 5 mph NW | 69% |
| Thursday Night | 74°F | Showers And Thunderstorms Likely | 0 to 5 mph NNE | 69% |
Forecast source: National Weather Service (api.weather.gov) for Port Salerno (27.145, -80.189). Updated through the day.
Growing snapshot for Port Salerno
Last spring frost
Jan 23
First fall frost
Jan 18
Growing season
365 days
Hardiness zone
10b
More local growing data for Port Salerno: nearby ZIP 34996 weather · frost dates · planting calendar · Florida frost dates
Nearby towns & communities
Hobe Sound
Hutchinson Island South
Indiantown
Jensen Beach
Jupiter Island
North River Shores
Ocean Breeze
Palm City
Rio
Sewall's Point
Stuart
Tequesta
Climate data from the nearest NOAA station, Stuart, Fl (3.2 mi from Port Salerno). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.