Linn Grove, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Linn Grove, a community in Adams County, Indiana.
Today
81°F
Sunny
Sunny, with a high near 81. East wind around 0 mph.
7-day forecast for Linn Grove
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Sunny | 0 mph | 0% |
| Tonight | 59°F | Mostly Clear | 0 mph | 0% |
| Wednesday | 83°F | Sunny | 0 to 5 mph W | 0% |
| Wednesday Night | 64°F | Mostly Clear | 0 mph | 6% |
| Thursday | 82°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 58% |
| Thursday Night | 65°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 5 mph SW | 61% |
| Friday | 81°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 5 mph SW | 61% |
| Friday Night | 64°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 44% |
| Saturday | 82°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 16% |
| Saturday Night | 66°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SW | 16% |
| Sunday | 84°F | Mostly Sunny | 5 to 10 mph SW | 14% |
| Sunday Night | 69°F | Partly Cloudy then Slight Chance Rain Showers | 5 to 10 mph SW | 20% |
| Monday | 85°F | Chance Showers And Thunderstorms | 10 mph SW | 25% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 42% |
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 Aug 4, 2026.