St. Joe, IN Weather & Growing Conditions
This Afternoon
67°F
Scattered Rain Showers
Scattered rain showers. Cloudy, with a high near 67. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Scattered Rain Showers | 15 mph S | 50% |
| Tonight | 48°F | Mostly Cloudy | 10 mph SW | 10% |
| Thursday | 57°F | Mostly Cloudy | 10 to 15 mph SW | 13% |
| Thursday Night | 42°F | Rain Showers Likely | 5 to 10 mph W | 60% |
| Friday | 50°F | Chance Rain Showers | 5 to 15 mph NW | 27% |
| Friday Night | 34°F | Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NW | 27% |
| Saturday | 50°F | Partly Sunny | 5 to 10 mph NW | 1% |
| Saturday Night | 30°F | Partly Cloudy | 5 mph W | 0% |
| Sunday | 54°F | Sunny | 5 to 15 mph W | 1% |
| Sunday Night | 34°F | Mostly Clear | 5 to 10 mph W | 1% |
| Monday | 58°F | Sunny | 5 to 10 mph W | 1% |
| Monday Night | 39°F | Mostly Clear | 5 to 10 mph SW | 0% |
| Tuesday | 60°F | Sunny | 5 to 10 mph W | 0% |
| Tuesday Night | 36°F | Mostly Clear | 0 to 5 mph NW | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for St. Joe, IN
Last spring frost
Apr 28
First fall frost
Oct 17
Growing season
170 days
Hardiness zone
6a
Explore more for St. Joe, IN: full frost dates · planting calendar · Indiana frost dates
Climate data from the nearest NOAA station, Hicksville, Oh (6.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.