Port St. Joe, FL Weather & Growing Conditions
This Afternoon
79°F
Chance Rain Showers
A chance of rain showers. Mostly sunny, with a high near 79. South wind 5 to 15 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 79°F | Chance Rain Showers | 5 to 15 mph S | 44% |
| Tonight | 70°F | Slight Chance Rain Showers then Partly Cloudy | 0 to 5 mph SSE | 21% |
| Thursday | 80°F | Sunny | 0 to 5 mph SSE | 8% |
| Thursday Night | 69°F | Partly Cloudy | 5 mph SW | 9% |
| Friday | 79°F | Partly Sunny | 5 to 10 mph WNW | 9% |
| Friday Night | 62°F | Partly Cloudy | 10 mph NNW | 1% |
| Saturday | 76°F | Sunny | 10 mph NNW | 1% |
| Saturday Night | 55°F | Partly Cloudy | 10 mph N | 1% |
| Sunday | 71°F | Mostly Sunny then Slight Chance Rain Showers | 10 mph NNW | 15% |
| Sunday Night | 54°F | Slight Chance Rain Showers | 10 mph NNW | 15% |
| Monday | 72°F | Mostly Sunny | 10 mph NNE | 12% |
| Monday Night | 53°F | Mostly Clear then Slight Chance Rain Showers | 10 mph NNE | 15% |
| Tuesday | 73°F | Slight Chance Rain Showers | 5 to 10 mph NNE | 15% |
| Tuesday Night | 54°F | Partly Cloudy | 5 mph NNE | 14% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Port St. Joe, FL
Last spring frost
Feb 15
First fall frost
Dec 18
Growing season
307 days
Hardiness zone
9b
Explore more for Port St. Joe, FL: full frost dates · planting calendar · Florida frost dates
Climate data from the nearest NOAA station, Apalachicola Ap, Fl (17.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.