Stewartsville, MO Weather & Growing Conditions
Tonight
73°F
Partly Cloudy
Partly cloudy, with a low around 73. Heat index values as high as 95. South wind 6 to 10 mph, with gusts as high as 18 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 73°F | Partly Cloudy | 6 to 10 mph S | 4% |
| Saturday | 89°F | Partly Sunny | 8 to 12 mph SW | 9% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 7 mph N | 73% |
| Sunday | 76°F | Chance Showers And Thunderstorms | 5 to 10 mph N | 41% |
| Sunday Night | 61°F | Chance Showers And Thunderstorms | 7 to 10 mph NE | 53% |
| Monday | 67°F | Chance Rain Showers | 8 to 12 mph NNE | 51% |
| Monday Night | 54°F | Slight Chance Rain Showers then Mostly Cloudy | 7 to 12 mph NNE | 22% |
| Tuesday | 64°F | Mostly Cloudy | 9 mph NE | 8% |
| Tuesday Night | 49°F | Mostly Cloudy | 5 to 8 mph NE | 6% |
| Wednesday | 68°F | Mostly Sunny | 6 mph ENE | 2% |
| Wednesday Night | 53°F | Mostly Cloudy | 5 mph E | 6% |
| Thursday | 70°F | Slight Chance Rain Showers | 5 mph E | 16% |
| Thursday Night | 56°F | Slight Chance Rain Showers | 3 mph E | 19% |
| Friday | 71°F | Slight Chance Rain Showers | 3 to 7 mph ESE | 19% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Stewartsville, MO
Last spring frost
Apr 17
First fall frost
Oct 19
Growing season
184 days
Hardiness zone
6a
Explore more for Stewartsville, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Cosby 2W, Mo (12.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.