Vandalia, MO Weather & Growing Conditions
Overnight
66°F
Clear
Clear, with a low around 66. Southeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 66°F | Clear | 5 mph SE | 0% |
| Tuesday | 88°F | Sunny | 2 to 7 mph S | 0% |
| Tuesday Night | 69°F | Mostly Clear | 1 to 5 mph SE | 13% |
| Wednesday | 87°F | Mostly Sunny then Scattered Showers And Thunderstorms | 5 mph S | 39% |
| Wednesday Night | 68°F | Showers And Thunderstorms Likely | 5 mph E | 85% |
| Thursday | 84°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph S | 85% |
| Thursday Night | 66°F | Partly Cloudy | 2 mph SE | 9% |
| Friday | 86°F | Mostly Sunny | 2 mph S | 11% |
| Friday Night | 68°F | Chance Showers And Thunderstorms | 2 mph S | 25% |
| Saturday | 88°F | Chance Showers And Thunderstorms then Sunny | 5 mph SW | 25% |
| Saturday Night | 71°F | Mostly Clear | 3 to 8 mph S | 8% |
| Sunday | 90°F | Sunny | 9 to 13 mph SW | 3% |
| Sunday Night | 72°F | Mostly Clear | 8 mph S | 5% |
| Monday | 91°F | Sunny | 8 to 12 mph SW | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Vandalia, MO
Last spring frost
Apr 11
First fall frost
Oct 23
Growing season
192 days
Hardiness zone
6b
Explore more for Vandalia, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Vandalia, Mo (0.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.