Osceola, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Osceola, a city in St. Clair County, Missouri.
Today
60°F
Slight Chance Drizzle then Partly Sunny
A slight chance of drizzle before 10am. Partly sunny. High near 60, with temperatures falling to around 58 in the afternoon. West wind 7 to 12 mph, with gusts as high as 20 mph.
7-day forecast for Osceola
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 60°F | Slight Chance Drizzle then Partly Sunny | 7 to 12 mph W | 11% |
| Tonight | 39°F | Clear | 5 mph SW | 0% |
| Thursday | 62°F | Mostly Sunny then Slight Chance Rain Showers | 3 to 8 mph W | 15% |
| Thursday Night | 43°F | Slight Chance Rain Showers then Mostly Cloudy | 2 to 6 mph NW | 24% |
| Friday | 58°F | Partly Sunny | 3 to 8 mph N | 1% |
| Friday Night | 37°F | Partly Cloudy | 0 to 3 mph N | 0% |
| Saturday | 57°F | Mostly Sunny | 0 to 3 mph N | 0% |
| Saturday Night | 36°F | Partly Cloudy | 1 mph N | 0% |
| Sunday | 63°F | Sunny | 0 to 3 mph NW | 0% |
| Sunday Night | 37°F | Clear | 1 mph W | 0% |
| Monday | 68°F | Sunny | 1 to 7 mph SW | 0% |
| Monday Night | 42°F | Clear | 3 mph SW | 0% |
| Tuesday | 71°F | Sunny | 5 mph W | 1% |
| Tuesday Night | 46°F | Partly Cloudy | 1 mph SW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Osceola (38.046, -93.694). Updated through the day.
Growing snapshot for Osceola
Last spring frost
Apr 16
First fall frost
Oct 24
Growing season
189 days
Hardiness zone
6b
More local growing data for Osceola: nearby ZIP 64776 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Osceola, Mo (1.6 mi from Osceola). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.