Ossian, IN Weather & Growing Conditions
Today
77°F
Chance Showers And Thunderstorms then Showers And Thunderstorms
A chance of showers and thunderstorms before 11am, then showers and thunderstorms between 11am and 2pm, then a chance of showers and thunderstorms. Cloudy, with a high near 77. East wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 77°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 mph E | 82% |
| Tonight | 66°F | Chance Showers And Thunderstorms | 5 mph S | 67% |
| Sunday | 75°F | Showers And Thunderstorms Likely | 5 to 10 mph NW | 70% |
| Sunday Night | 55°F | Showers And Thunderstorms Likely | 10 to 15 mph NE | 56% |
| Monday | 65°F | Chance Rain Showers | 15 mph NE | 50% |
| Monday Night | 50°F | Chance Rain Showers | 15 mph NE | 29% |
| Tuesday | 64°F | Mostly Cloudy then Slight Chance Rain Showers | 15 mph NE | 16% |
| Tuesday Night | 52°F | Chance Rain Showers | 10 to 15 mph NE | 42% |
| Wednesday | 65°F | Chance Rain Showers | 10 mph NE | 42% |
| Wednesday Night | 52°F | Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NE | 27% |
| Thursday | 67°F | Mostly Cloudy | 5 to 10 mph NE | 7% |
| Thursday Night | 52°F | Mostly Cloudy | 5 to 10 mph NE | 6% |
| Friday | 69°F | Mostly Sunny | 5 to 10 mph NE | 6% |
| Friday Night | 50°F | Partly Cloudy | 5 to 10 mph NE | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Ossian, IN
Last spring frost
Apr 24
First fall frost
Oct 20
Growing season
179 days
Hardiness zone
6a
Explore more for Ossian, IN: full frost dates · planting calendar · Indiana frost dates
Climate data from the nearest NOAA station, Bluffton 6N, In (3.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.