Smithton, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Smithton, a city in Pettis County, Missouri.
Tonight
74°F
Partly Cloudy
Partly cloudy, with a low around 74. South wind around 5 mph.
7-day forecast for Smithton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 74°F | Partly Cloudy | 5 mph S | 2% |
| Saturday | 97°F | Mostly Sunny | 6 to 10 mph SW | 2% |
| Saturday Night | 69°F | Mostly Cloudy then Chance Showers And Thunderstorms | 2 to 6 mph SW | 34% |
| Sunday | 88°F | Chance Showers And Thunderstorms | 5 mph W | 43% |
| Sunday Night | 63°F | Showers And Thunderstorms Likely | 5 mph NNE | 73% |
| Monday | 75°F | Showers And Thunderstorms Likely | 3 to 7 mph NNE | 73% |
| Monday Night | 56°F | Slight Chance Showers And Thunderstorms | 3 to 7 mph NNE | 18% |
| Tuesday | 70°F | Partly Sunny | 7 mph NNE | 11% |
| Tuesday Night | 50°F | Mostly Cloudy | 2 to 6 mph NNE | 3% |
| Wednesday | 73°F | Mostly Sunny | 5 mph NE | 1% |
| Wednesday Night | 51°F | Partly Cloudy | 0 to 3 mph NE | 2% |
| Thursday | 75°F | Mostly Sunny | 3 mph ENE | 6% |
| Thursday Night | 55°F | Partly Cloudy | 3 mph ENE | 6% |
| Friday | 75°F | Mostly Sunny | 1 to 5 mph E | 9% |
Forecast source: National Weather Service (api.weather.gov) for Smithton (38.681, -93.092). Updated through the day.
Growing snapshot for Smithton
Last spring frost
Apr 10
First fall frost
Oct 26
Growing season
197 days
Hardiness zone
6b
More local growing data for Smithton: nearby ZIP 65350 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Sedalia Mem Ap, Mo (5.5 mi from Smithton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.