Smithville, MO Weather & Growing Conditions
Overnight
69°F
Mostly Clear
Mostly clear, with a low around 69. Southeast wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 69°F | Mostly Clear | 6 mph SE | 0% |
| Tuesday | 92°F | Mostly Sunny | 6 mph S | 12% |
| Tuesday Night | 71°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph E | 22% |
| Wednesday | 85°F | Chance Showers And Thunderstorms | 8 mph NE | 50% |
| Wednesday Night | 66°F | Showers And Thunderstorms Likely | 3 to 8 mph NNE | 71% |
| Thursday | 84°F | Showers And Thunderstorms Likely then Partly Sunny | 5 mph ENE | 71% |
| Thursday Night | 68°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph ESE | 16% |
| Friday | 89°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 2 to 6 mph SSE | 16% |
| Friday Night | 71°F | Mostly Clear | 5 mph S | 14% |
| Saturday | 92°F | Sunny | 3 to 9 mph S | 12% |
| Saturday Night | 75°F | Mostly Clear | 10 mph S | 2% |
| Sunday | 95°F | Sunny | 14 mph SSW | 1% |
| Sunday Night | 76°F | Mostly Clear | 13 mph S | 5% |
| Monday | 96°F | Mostly Sunny | 12 to 15 mph SSW | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Smithville, MO
Last spring frost
Apr 18
First fall frost
Oct 20
Growing season
183 days
Hardiness zone
6a
Explore more for Smithville, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Smithville Lake, Mo (0.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.