Spring Grove, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Spring Grove, a town in Wayne County, Indiana.
This Afternoon
67°F
Chance Light Rain
A chance of rain. Cloudy, with a high near 67. South wind around 12 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Spring Grove
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Chance Light Rain | 12 mph S | 36% |
| Tonight | 46°F | Patchy Drizzle then Mostly Cloudy | 5 to 9 mph SW | 9% |
| Thursday | 62°F | Partly Sunny | 6 to 12 mph SW | 0% |
| Thursday Night | 42°F | Mostly Cloudy | 3 to 7 mph W | 10% |
| Friday | 54°F | Slight Chance Light Rain | 3 to 9 mph NW | 15% |
| Friday Night | 34°F | Mostly Cloudy | 5 to 8 mph NW | 12% |
| Saturday | 52°F | Partly Sunny | 5 to 8 mph NW | 0% |
| Saturday Night | 30°F | Partly Cloudy | 5 mph NW | 0% |
| Sunday | 56°F | Sunny | 2 to 9 mph W | 1% |
| Sunday Night | 32°F | Mostly Clear | 2 to 6 mph W | 1% |
| Monday | 60°F | Sunny | 2 to 7 mph W | 0% |
| Monday Night | 36°F | Clear | 6 mph SW | 0% |
| Tuesday | 62°F | Sunny | 7 mph W | 1% |
| Tuesday Night | 35°F | Mostly Clear | 1 to 5 mph NW | 3% |
Forecast source: National Weather Service (api.weather.gov) for Spring Grove (39.847, -84.891). Updated through the day.
Growing snapshot for Spring Grove
Last spring frost
Apr 24
First fall frost
Oct 20
Growing season
180 days
Hardiness zone
6a
More local growing data for Spring Grove: nearby ZIP 47374 weather · frost dates · planting calendar · Indiana frost dates
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Climate data from the nearest NOAA station, Richmond Wtr Wks, In (1.6 mi from Spring Grove). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.