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.
This Afternoon
89°F
Sunny
Sunny, with a high near 89. South southeast wind around 5 mph.
7-day forecast for Port St. Joe
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 89°F | Sunny | 5 mph SSE | 1% |
| Tonight | 76°F | Mostly Clear | 5 mph WNW | 1% |
| Saturday | 89°F | Mostly Sunny | 5 to 10 mph NNW | 12% |
| Saturday Night | 76°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph SE | 16% |
| Sunday | 88°F | Mostly Sunny then Showers And Thunderstorms Likely | 5 mph E | 67% |
| Sunday Night | 75°F | Showers And Thunderstorms Likely then Partly Cloudy | 5 mph E | 67% |
| Monday | 87°F | Chance Showers And Thunderstorms | 5 to 10 mph E | 58% |
| Monday Night | 75°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 5 mph E | 58% |
| Tuesday | 88°F | Chance Showers And Thunderstorms | 5 to 10 mph E | 42% |
| Tuesday Night | 75°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 mph E | 42% |
| Wednesday | 88°F | Chance Showers And Thunderstorms | 10 to 15 mph ENE | 31% |
| Wednesday Night | 75°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 to 20 mph NE | 31% |
| Thursday | 88°F | Sunny then Slight Chance Showers And Thunderstorms | 15 to 20 mph ENE | 15% |
| Thursday Night | 74°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 10 to 15 mph NNE | 15% |
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 Sep 18, 2026.