Osborn, MO Weather & Growing Conditions
Today
89°F
Mostly Sunny
Mostly sunny, with a high near 89. South southwest wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 89°F | Mostly Sunny | 6 mph SSW | 12% |
| Tonight | 68°F | Partly Cloudy then Chance Showers And Thunderstorms | 3 to 7 mph ENE | 39% |
| Wednesday | 80°F | Showers And Thunderstorms Likely | 8 mph ENE | 61% |
| Wednesday Night | 64°F | Showers And Thunderstorms Likely | 5 to 8 mph NNE | 69% |
| Thursday | 82°F | Showers And Thunderstorms Likely then Mostly Sunny | 6 mph ENE | 69% |
| Thursday Night | 65°F | Partly Cloudy | 3 mph SE | 11% |
| Friday | 86°F | Mostly Sunny | 3 to 7 mph S | 14% |
| Friday Night | 69°F | Slight Chance Showers And Thunderstorms | 6 mph S | 16% |
| Saturday | 90°F | Sunny | 5 to 10 mph S | 8% |
| Saturday Night | 74°F | Mostly Clear | 9 to 13 mph S | 6% |
| Sunday | 92°F | Sunny | 14 mph SSW | 2% |
| Sunday Night | 75°F | Mostly Clear | 10 to 14 mph S | 5% |
| Monday | 93°F | Mostly Sunny | 15 mph SSW | 5% |
| Monday Night | 75°F | Partly Cloudy | 14 mph SSW | 10% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Osborn, MO
Last spring frost
Apr 15
First fall frost
Oct 24
Growing season
192 days
Hardiness zone
6a
Explore more for Osborn, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Cameron, Mo (6.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.