Smithton, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Smithton, a city in Pettis County, Missouri.
This Afternoon
58°F
Partly Sunny
Partly sunny, with a high near 58. West wind around 10 mph.
7-day forecast for Smithton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 58°F | Partly Sunny | 10 mph W | 0% |
| Tonight | 40°F | Partly Cloudy | 7 mph WSW | 0% |
| Thursday | 58°F | Mostly Sunny | 6 to 10 mph W | 6% |
| Thursday Night | 39°F | Mostly Cloudy | 5 mph NNW | 7% |
| Friday | 53°F | Partly Sunny | 7 mph N | 3% |
| Friday Night | 29°F | Partly Cloudy | 0 to 3 mph NNE | 0% |
| Saturday | 54°F | Mostly Sunny | 1 mph N | 0% |
| Saturday Night | 30°F | Mostly Clear | 1 mph WNW | 0% |
| Sunday | 61°F | Sunny | 3 mph W | 0% |
| Sunday Night | 33°F | Clear | 2 mph WSW | 0% |
| Monday | 67°F | Sunny | 2 to 7 mph SW | 0% |
| Monday Night | 38°F | Clear | 3 mph SW | 0% |
| Tuesday | 67°F | Sunny | 5 mph WSW | 2% |
| Tuesday Night | 40°F | Mostly Clear | 1 mph SW | 3% |
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 Nov 5, 2026.