Osceola, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Osceola, a city in St. Clair County, Missouri.
Overnight
69°F
Mostly Clear
Mostly clear, with a low around 69. South wind around 5 mph.
7-day forecast for Osceola
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 69°F | Mostly Clear | 5 mph S | 0% |
| Tuesday | 93°F | Sunny | 6 mph S | 0% |
| Tuesday Night | 74°F | Partly Cloudy | 5 mph SE | 3% |
| Wednesday | 93°F | Partly Sunny then Chance Showers And Thunderstorms | 7 mph S | 31% |
| Wednesday Night | 71°F | Slight Chance Showers And Thunderstorms | 6 mph E | 66% |
| Thursday | 90°F | Showers And Thunderstorms Likely | 5 mph S | 66% |
| Thursday Night | 70°F | Chance Showers And Thunderstorms | 3 mph S | 43% |
| Friday | 90°F | Chance Showers And Thunderstorms | 1 to 5 mph S | 43% |
| Friday Night | 71°F | Slight Chance Showers And Thunderstorms | 3 mph S | 24% |
| Saturday | 92°F | Slight Chance Showers And Thunderstorms then Sunny | 3 to 7 mph S | 24% |
| Saturday Night | 73°F | Mostly Clear | 6 mph S | 5% |
| Sunday | 94°F | Sunny | 6 to 10 mph SW | 3% |
| Sunday Night | 75°F | Mostly Clear | 7 mph S | 2% |
| Monday | 94°F | Sunny | 7 to 10 mph SW | 1% |
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 Aug 4, 2026.