Linn Grove, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Linn Grove, a community in Adams County, Indiana.
This Afternoon
69°F
Scattered Rain Showers
Scattered rain showers. Mostly cloudy, with a high near 69. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
7-day forecast for Linn Grove
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Scattered Rain Showers | 15 mph SW | 45% |
| Tonight | 48°F | Mostly Cloudy | 5 to 10 mph SW | 12% |
| Thursday | 61°F | Mostly Cloudy | 10 to 15 mph SW | 6% |
| Thursday Night | 43°F | Chance Rain Showers | 5 to 10 mph W | 46% |
| Friday | 54°F | Chance Rain Showers | 5 to 10 mph NW | 28% |
| Friday Night | 35°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NW | 15% |
| Saturday | 53°F | Partly Sunny | 5 to 10 mph NW | 1% |
| Saturday Night | 30°F | Partly Cloudy | 0 to 5 mph W | 0% |
| Sunday | 57°F | Sunny | 0 to 15 mph W | 0% |
| Sunday Night | 33°F | Mostly Clear | 5 to 10 mph W | 0% |
| Monday | 61°F | Sunny | 5 to 10 mph W | 0% |
| Monday Night | 38°F | Clear | 5 mph SW | 0% |
| Tuesday | 63°F | Sunny | 5 to 10 mph W | 1% |
| Tuesday Night | 36°F | Mostly Clear | 0 to 5 mph NW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Linn Grove (40.645, -85.035). Updated through the day.
Growing snapshot for Linn Grove
Last spring frost
Apr 23
First fall frost
Oct 22
Growing season
181 days
Hardiness zone
6a
More local growing data for Linn Grove: nearby ZIP 46740 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Berne Wwtp, In (4.8 mi from Linn Grove). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.