Vandalia, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Vandalia, a city in Montgomery County, Ohio.
Tonight
62°F
Mostly Cloudy then Rain Showers Likely
Rain showers likely after 2am. Mostly cloudy, with a low around 62. Southeast wind 12 to 17 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Vandalia
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 62°F | Mostly Cloudy then Rain Showers Likely | 12 to 17 mph SE | 64% |
| Wednesday | 68°F | Showers And Thunderstorms | 14 to 18 mph S | 100% |
| Wednesday Night | 52°F | Chance Rain Showers | 7 to 13 mph SW | 36% |
| Thursday | 65°F | Mostly Sunny | 7 to 15 mph SW | 0% |
| Thursday Night | 46°F | Partly Cloudy | 3 to 8 mph W | 1% |
| Friday | 60°F | Partly Sunny | 3 to 10 mph NW | 11% |
| Friday Night | 41°F | Partly Cloudy | 9 mph NW | 11% |
| Saturday | 55°F | Slight Chance Light Rain | 9 mph NW | 19% |
| Saturday Night | 36°F | Partly Cloudy | 6 mph W | 9% |
| Sunday | 57°F | Mostly Sunny | 3 to 12 mph W | 13% |
| Sunday Night | 36°F | Partly Cloudy | 7 to 10 mph W | 13% |
| Monday | 60°F | Slight Chance Light Rain | 6 to 13 mph W | 15% |
| Monday Night | 39°F | Mostly Clear | 12 mph SW | 12% |
| Tuesday | 64°F | Sunny | 12 mph W | 3% |
Forecast source: National Weather Service (api.weather.gov) for Vandalia (39.879, -84.192). Updated through the day.
Growing snapshot for Vandalia
Last spring frost
Apr 16
First fall frost
Oct 28
Growing season
194 days
Hardiness zone
6b
More local growing data for Vandalia: nearby ZIP 45377 weather · frost dates · planting calendar · Ohio frost dates
Nearby towns & communities
Brandt
Brookville
Centerville
Clayton
Dayton
Drexel
Englewood
Farmersville
Fort McKinley
Germantown
Huber Heights
Kettering
Miamisburg
Moraine
New Lebanon
Oakwood
Phillipsburg
Riverside
Shiloh
Trotwood
Union
West Carrollton
Climate data from the nearest NOAA station, Dayton Intl Ap, Oh (0.1 mi from Vandalia). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.