Smithton, MO Weather & Growing Conditions
Today
92°F
Sunny
Sunny, with a high near 92. Heat index values as high as 97. South wind 1 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 92°F | Sunny | 1 to 5 mph S | 1% |
| Tonight | 72°F | Partly Cloudy | 3 mph SE | 8% |
| Wednesday | 91°F | Chance Showers And Thunderstorms | 5 mph S | 30% |
| Wednesday Night | 69°F | Chance Showers And Thunderstorms | 3 mph ENE | 76% |
| Thursday | 87°F | Showers And Thunderstorms | 3 mph WSW | 76% |
| Thursday Night | 68°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 0 to 3 mph SE | 15% |
| Friday | 89°F | Slight Chance Showers And Thunderstorms | 2 mph SSW | 18% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 2 mph S | 29% |
| Saturday | 92°F | Chance Showers And Thunderstorms then Sunny | 5 mph SSW | 29% |
| Saturday Night | 73°F | Mostly Clear | 5 mph S | 4% |
| Sunday | 93°F | Sunny | 6 to 9 mph SSW | 1% |
| Sunday Night | 74°F | Mostly Clear | 6 mph SSW | 3% |
| Monday | 95°F | Sunny | 9 mph SSW | 3% |
| Monday Night | 74°F | Mostly Clear | 7 mph SSW | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Smithton, MO
Last spring frost
Apr 10
First fall frost
Oct 26
Growing season
197 days
Hardiness zone
6b
Explore more for Smithton, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Sedalia Mem Ap, Mo (5.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.