Vandalia, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Vandalia, a city in Audrain County, Missouri.
Today
93°F
Partly Sunny
Partly sunny, with a high near 93. Southwest wind 6 to 10 mph.
7-day forecast for Vandalia
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 93°F | Partly Sunny | 6 to 10 mph SW | 4% |
| Tonight | 69°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph SW | 26% |
| Sunday | 83°F | Chance Showers And Thunderstorms | 2 to 7 mph NW | 51% |
| Sunday Night | 62°F | Chance Showers And Thunderstorms | 5 to 8 mph NE | 78% |
| Monday | 69°F | Showers And Thunderstorms | 6 to 10 mph NE | 78% |
| Monday Night | 55°F | Chance Rain Showers | 6 to 10 mph NE | 26% |
| Tuesday | 64°F | Slight Chance Rain Showers then Mostly Cloudy | 10 mph NE | 19% |
| Tuesday Night | 50°F | Partly Cloudy | 3 to 9 mph N | 3% |
| Wednesday | 69°F | Mostly Sunny | 7 mph N | 0% |
| Wednesday Night | 52°F | Partly Cloudy | 1 to 6 mph NE | 0% |
| Thursday | 72°F | Mostly Sunny | 2 to 6 mph NE | 6% |
| Thursday Night | 55°F | Partly Cloudy | 1 to 5 mph NE | 7% |
| Friday | 74°F | Partly Sunny | 2 to 6 mph NE | 14% |
| Friday Night | 55°F | Partly Cloudy | 5 mph E | 5% |
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.