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Unionville, MI Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Unionville, a village in Tuscola County, Michigan.

This Afternoon
76°F
Mostly Sunny
Mostly sunny. High near 76, with temperatures falling to around 73 in the afternoon. South southwest wind around 15 mph, with gusts as high as 24 mph.

7-day forecast for Unionville

WhenTempForecastWindPrecip
This Afternoon 76°F Mostly Sunny 15 mph SSW 2%
Tonight 59°F Mostly Cloudy 9 to 13 mph S 3%
Wednesday 71°F Light Rain 10 to 17 mph S 87%
Wednesday Night 49°F Light Rain Likely then Mostly Cloudy 8 to 15 mph SSW 72%
Thursday 60°F Mostly Cloudy then Chance Light Rain 10 to 17 mph SW 34%
Thursday Night 42°F Light Rain Likely 3 to 10 mph W 57%
Friday 53°F Light Rain Likely 5 to 15 mph NNW 61%
Friday Night 35°F Chance Light Rain 8 to 14 mph N 50%
Saturday 52°F Chance Light Rain then Partly Sunny 7 to 10 mph NW 26%
Saturday Night 30°F Partly Cloudy 5 mph W 5%
Sunday 56°F Mostly Sunny then Slight Chance Light Rain 5 to 13 mph W 16%
Sunday Night 32°F Slight Chance Light Rain then Partly Cloudy 6 to 10 mph WNW 16%
Monday 56°F Mostly Sunny 7 to 15 mph W 10%
Monday Night 36°F Partly Cloudy 8 to 12 mph WSW 10%

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

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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 Nov 4, 2026.