Vandalia, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Vandalia, a city in Audrain County, Missouri.
Tonight
71°F
Partly Cloudy
Partly cloudy, with a low around 71. Southeast wind around 7 mph.
7-day forecast for Vandalia
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 71°F | Partly Cloudy | 7 mph SE | 6% |
| Saturday | 93°F | Partly Sunny | 6 to 10 mph SW | 6% |
| Saturday Night | 69°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph SW | 27% |
| Sunday | 85°F | Showers And Thunderstorms Likely | 2 to 7 mph W | 58% |
| Sunday Night | 62°F | Showers And Thunderstorms | 5 to 8 mph NE | 76% |
| Monday | 70°F | Showers And Thunderstorms | 6 to 9 mph NE | 76% |
| Monday Night | 56°F | Chance Showers And Thunderstorms | 6 to 9 mph NE | 48% |
| Tuesday | 66°F | Slight Chance Rain Showers then Mostly Cloudy | 10 mph NE | 19% |
| Tuesday Night | 50°F | Mostly Cloudy | 3 to 8 mph N | 4% |
| Wednesday | 70°F | Mostly Sunny | 7 mph N | 1% |
| Wednesday Night | 52°F | Partly Cloudy | 1 to 5 mph NE | 1% |
| Thursday | 72°F | Mostly Sunny | 2 to 6 mph NE | 6% |
| Thursday Night | 55°F | Partly Cloudy | 3 mph NE | 6% |
| Friday | 72°F | Mostly Sunny | 2 to 6 mph NE | 7% |
Forecast source: National Weather Service (api.weather.gov) for Vandalia (39.308, -91.489). Updated through the day.
Growing snapshot for Vandalia
Last spring frost
Apr 11
First fall frost
Oct 23
Growing season
192 days
Hardiness zone
6b
More local growing data for Vandalia: nearby ZIP 63382 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Vandalia, Mo (0.3 mi from Vandalia). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.