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Unionville Center, OH Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Unionville Center, a village in Union County, Ohio.

Overnight
59°F
Light Rain Likely
Rain likely. Cloudy, with a low around 59. South wind around 13 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Unionville Center

WhenTempForecastWindPrecip
Overnight 59°F Light Rain Likely 13 mph S 55%
Wednesday 65°F Light Rain 14 to 17 mph S 99%
Wednesday Night 50°F Light Rain Likely then Mostly Cloudy 6 to 15 mph SW 66%
Thursday 62°F Mostly Sunny 6 to 14 mph SW 0%
Thursday Night 44°F Mostly Cloudy 3 to 7 mph SW 1%
Friday 56°F Chance Light Rain 3 to 9 mph W 43%
Friday Night 37°F Chance Light Rain then Mostly Cloudy 9 mph NW 43%
Saturday 52°F Partly Sunny 10 mph NW 11%
Saturday Night 32°F Mostly Cloudy 6 mph NW 10%
Sunday 55°F Mostly Sunny 5 to 10 mph W 5%
Sunday Night 32°F Mostly Clear 5 to 8 mph W 5%
Monday 57°F Sunny 5 to 9 mph W 3%
Monday Night 36°F Mostly Clear 7 mph SW 2%
Tuesday 62°F Sunny 9 mph W 1%

Forecast source: National Weather Service (api.weather.gov) for Unionville Center (40.137, -83.341). Updated through the day.

Growing snapshot for Unionville Center

Last spring frost
Apr 19
First fall frost
Oct 26
Growing season
188 days
Hardiness zone
6a

More local growing data for Unionville Center: nearby ZIP 43077 weather · frost dates · planting calendar · Ohio frost dates

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Climate data from the nearest NOAA station, Marysville, Oh (5.5 mi from Unionville Center). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.