Osceola, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Osceola, a town in St. Joseph County, Indiana.
Tonight
47°F
Mostly Cloudy then Slight Chance Rain Showers
A slight chance of rain showers after 5am. Mostly cloudy, with a low around 47. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
7-day forecast for Osceola
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 47°F | Mostly Cloudy then Slight Chance Rain Showers | 10 to 15 mph SW | 15% |
| Thursday | 56°F | Chance Rain Showers | 10 to 15 mph SW | 31% |
| Thursday Night | 39°F | Rain Showers Likely | 5 to 10 mph W | 59% |
| Friday | 51°F | Rain Showers Likely | 5 to 15 mph NW | 64% |
| Friday Night | 34°F | Chance Rain Showers | 5 to 10 mph NW | 43% |
| Saturday | 52°F | Partly Sunny | 0 to 10 mph NW | 8% |
| Saturday Night | 30°F | Partly Cloudy | 0 to 5 mph W | 1% |
| Sunday | 55°F | Sunny | 5 to 15 mph W | 3% |
| Sunday Night | 33°F | Mostly Clear | 0 to 5 mph W | 3% |
| Monday | 59°F | Sunny | 0 to 10 mph SW | 1% |
| Monday Night | 38°F | Mostly Clear | 5 to 10 mph SW | 0% |
| Tuesday | 60°F | Sunny | 5 to 10 mph W | 0% |
| Tuesday Night | 35°F | Mostly Clear | 0 to 5 mph W | 2% |
| Veterans Day | 59°F | Mostly Sunny | 0 to 5 mph NW | 3% |
Forecast source: National Weather Service (api.weather.gov) for Osceola (41.666, -86.079). Updated through the day.
Growing snapshot for Osceola
Last spring frost
Apr 23
First fall frost
Oct 23
Growing season
181 days
Hardiness zone
6a
More local growing data for Osceola: nearby ZIP 46561 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Ardmore
Chain-O-Lakes
Gilmer Park
Granger
Indian Village
Lakeville
Mishawaka
New Carlisle
North Liberty
Notre Dame
Roseland
South Bend
Wyatt
Climate data from the nearest NOAA station, S Bend, In (9.5 mi from Osceola). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.