Vandalia, MI Weather & Growing Conditions
Tonight
57°F
Mostly Cloudy then Chance Showers And Thunderstorms
A chance of rain showers between 3am and 5am, then a chance of showers and thunderstorms. Mostly cloudy. Low around 57, with temperatures rising to around 62 overnight. East wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 57°F | Mostly Cloudy then Chance Showers And Thunderstorms | 5 to 10 mph E | 42% |
| Saturday | 73°F | Showers And Thunderstorms | 5 to 10 mph SE | 87% |
| Saturday Night | 62°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 mph S | 85% |
| Sunday | 70°F | Rain Showers Likely | 5 to 15 mph N | 66% |
| Sunday Night | 52°F | Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NE | 33% |
| Monday | 64°F | Slight Chance Rain Showers | 10 to 15 mph NE | 16% |
| Monday Night | 48°F | Mostly Cloudy | 10 to 15 mph NE | 13% |
| Tuesday | 64°F | Partly Sunny then Slight Chance Rain Showers | 10 to 15 mph NE | 16% |
| Tuesday Night | 50°F | Slight Chance Rain Showers | 10 to 15 mph NE | 18% |
| Wednesday | 65°F | Slight Chance Rain Showers then Partly Sunny | 10 mph NE | 18% |
| Wednesday Night | 50°F | Mostly Cloudy | 5 to 10 mph NE | 11% |
| Thursday | 68°F | Partly Sunny | 5 to 10 mph NE | 6% |
| Thursday Night | 51°F | Partly Cloudy | 0 to 10 mph NE | 6% |
| Friday | 70°F | Mostly Sunny | 5 mph NE | 7% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Vandalia, MI
Last spring frost
Apr 30
First fall frost
Oct 17
Growing season
170 days
Hardiness zone
6a
Explore more for Vandalia, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, Three Rivers, Mi (12.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.