Ossian, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ossian, a town in Wells County, Indiana.
Overnight
57°F
Mostly Clear
Mostly clear, with a low around 57. South wind around 0 mph.
7-day forecast for Ossian
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Mostly Clear | 0 mph | 0% |
| Tuesday | 82°F | Sunny | 0 mph | 0% |
| Tuesday Night | 59°F | Mostly Clear | 0 mph | 0% |
| Wednesday | 84°F | Sunny | 0 to 5 mph SW | 0% |
| Wednesday Night | 65°F | Partly Cloudy | 0 to 5 mph SW | 12% |
| Thursday | 82°F | Showers And Thunderstorms Likely | 0 to 5 mph SW | 63% |
| Thursday Night | 64°F | Showers And Thunderstorms Likely | 0 to 5 mph SW | 63% |
| Friday | 81°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 46% |
| Friday Night | 64°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 42% |
| Saturday | 83°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 15% |
| Saturday Night | 66°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SW | 15% |
| Sunday | 85°F | Mostly Sunny | 5 to 10 mph SW | 14% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 29% |
| Monday | 85°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 10 mph SW | 29% |
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 Aug 4, 2026.