Osceola, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Osceola, a town in St. Joseph County, Indiana.
Today
83°F
Sunny
Sunny, with a high near 83. South wind around 5 mph.
7-day forecast for Osceola
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Sunny | 5 mph S | 0% |
| Tonight | 61°F | Mostly Clear | 0 to 5 mph S | 0% |
| Wednesday | 83°F | Mostly Sunny | 0 to 5 mph SW | 13% |
| Wednesday Night | 65°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 79% |
| Thursday | 80°F | Rain Showers | 0 to 5 mph SW | 79% |
| Thursday Night | 62°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 68% |
| Friday | 82°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 18% |
| Friday Night | 62°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph W | 18% |
| Saturday | 84°F | Mostly Sunny | 0 to 5 mph SW | 13% |
| Saturday Night | 67°F | Slight Chance Showers And Thunderstorms | 5 mph SW | 24% |
| Sunday | 86°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 to 15 mph SW | 24% |
| Sunday Night | 68°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph SW | 39% |
| Monday | 85°F | Chance Rain Showers | 5 to 10 mph SW | 39% |
| Monday Night | 67°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 45% |
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 Aug 4, 2026.