Unionville, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Unionville, a village in Tuscola County, Michigan.
Tonight
47°F
Mostly Cloudy
Mostly cloudy. Low around 47, with temperatures rising to around 50 overnight. East northeast wind 3 to 13 mph, with gusts as high as 21 mph.
7-day forecast for Unionville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 47°F | Mostly Cloudy | 3 to 13 mph ENE | 13% |
| Saturday | 67°F | Rain Showers Likely | 3 to 9 mph ESE | 58% |
| Saturday Night | 51°F | Rain Showers Likely | 5 to 9 mph E | 62% |
| Sunday | 67°F | Chance Rain Showers then Mostly Cloudy | 7 to 17 mph NE | 38% |
| Sunday Night | 48°F | Mostly Cloudy | 10 to 16 mph NE | 2% |
| Monday | 63°F | Mostly Cloudy | 13 to 18 mph NE | 1% |
| Monday Night | 45°F | Mostly Cloudy | 9 to 18 mph NE | 4% |
| Tuesday | 63°F | Partly Sunny | 12 to 18 mph ENE | 7% |
| Tuesday Night | 46°F | Mostly Cloudy then Chance Rain Showers | 10 to 18 mph ENE | 33% |
| Wednesday | 64°F | Chance Rain Showers | 12 to 15 mph ENE | 41% |
| Wednesday Night | 47°F | Chance Rain Showers | 5 to 13 mph ENE | 34% |
| Thursday | 67°F | Partly Sunny | 6 to 12 mph NE | 14% |
| Thursday Night | 48°F | Mostly Cloudy | 3 to 10 mph NE | 12% |
| Friday | 69°F | Mostly Sunny | 5 to 12 mph NNE | 5% |
Forecast source: National Weather Service (api.weather.gov) for Unionville (43.654, -83.467). Updated through the day.
Growing snapshot for Unionville
Last spring frost
May 7
First fall frost
Oct 9
Growing season
154 days
Hardiness zone
6a
More local growing data for Unionville: nearby ZIP 48767 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Akron
Barnes Lake
Caro
Cass City
Fairgrove
Fostoria
Gagetown
Kingston
Mayville
Millers Lake
Millington
Reese
Vassar
Climate data from the nearest NOAA station, Caro Wwtp, Mi (12.1 mi from Unionville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.