Ossian, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ossian, a town in Wells County, Indiana.
Tonight
58°F
Partly Cloudy
Partly cloudy, with a low around 58. East wind around 5 mph.
7-day forecast for Ossian
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 58°F | Partly Cloudy | 5 mph E | 5% |
| Saturday | 77°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 mph SE | 87% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms | 5 mph S | 70% |
| Sunday | 76°F | Showers And Thunderstorms | 5 to 10 mph NW | 75% |
| Sunday Night | 56°F | Showers And Thunderstorms Likely | 10 to 15 mph NE | 67% |
| Monday | 65°F | Chance Showers And Thunderstorms | 15 mph NE | 60% |
| Monday Night | 52°F | Chance Showers And Thunderstorms | 15 mph NE | 41% |
| Tuesday | 64°F | Slight Chance Rain Showers | 15 mph NE | 21% |
| Tuesday Night | 53°F | Slight Chance Rain Showers | 10 to 15 mph NE | 24% |
| Wednesday | 65°F | Slight Chance Rain Showers | 10 mph NE | 20% |
| Wednesday Night | 53°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph N | 17% |
| Thursday | 67°F | Mostly Cloudy | 5 to 10 mph N | 7% |
| Thursday Night | 52°F | Mostly Cloudy | 5 mph NE | 6% |
| Friday | 68°F | Partly Sunny | 5 to 10 mph N | 5% |
Forecast source: National Weather Service (api.weather.gov) for Ossian (40.877, -85.169). Updated through the day.
Growing snapshot for Ossian
Last spring frost
Apr 24
First fall frost
Oct 20
Growing season
179 days
Hardiness zone
6a
More local growing data for Ossian: nearby ZIP 46777 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Bluffton
Craigville
Keystone
Liberty Center
Markle
Petroleum
Poneto
Tocsin
Uniondale
Vera Cruz
Zanesville
Climate data from the nearest NOAA station, Bluffton 6N, In (3.8 mi from Ossian). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.