Port St. Joe, FL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Port St. Joe, a city in Gulf County, Florida.
Today
86°F
Chance Showers And Thunderstorms then Sunny
A chance of showers and thunderstorms before 11am. Sunny, with a high near 86. West wind 5 to 15 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Port St. Joe
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Chance Showers And Thunderstorms then Sunny | 5 to 15 mph W | 31% |
| Tonight | 78°F | Mostly Clear | 5 to 10 mph WSW | 13% |
| Wednesday | 87°F | Sunny | 5 to 10 mph SW | 14% |
| Wednesday Night | 77°F | Mostly Clear | 0 to 10 mph S | 3% |
| Thursday | 87°F | Slight Chance Showers And Thunderstorms | 0 to 10 mph ESE | 24% |
| Thursday Night | 75°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph ESE | 24% |
| Friday | 88°F | Chance Showers And Thunderstorms | 10 mph E | 41% |
| Friday Night | 76°F | Chance Showers And Thunderstorms | 5 to 10 mph E | 37% |
| Saturday | 88°F | Chance Showers And Thunderstorms | 10 mph ESE | 44% |
| Saturday Night | 77°F | Chance Showers And Thunderstorms | 5 to 10 mph SE | 44% |
| Sunday | 89°F | Chance Showers And Thunderstorms | 5 to 10 mph SE | 46% |
| Sunday Night | 78°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 10 mph SSE | 35% |
| Monday | 89°F | Chance Showers And Thunderstorms | 5 to 10 mph SE | 29% |
| Monday Night | 78°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 10 mph SSW | 27% |
Forecast source: National Weather Service (api.weather.gov) for Port St. Joe (29.818, -85.309). Updated through the day.
Growing snapshot for Port St. Joe
Last spring frost
Feb 15
First fall frost
Dec 18
Growing season
307 days
Hardiness zone
9b
More local growing data for Port St. Joe: nearby ZIP 32456 weather · frost dates · planting calendar · Florida frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Apalachicola Ap, Fl (17.3 mi from Port St. Joe). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.