Unionville Center, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Unionville Center, a village in Union County, Ohio.
Today
81°F
Mostly Cloudy then Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 3pm and 5pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Southeast wind around 6 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Unionville Center
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Mostly Cloudy then Chance Showers And Thunderstorms | 6 mph SE | 52% |
| Tonight | 66°F | Chance Showers And Thunderstorms | 6 mph S | 54% |
| Sunday | 81°F | Showers And Thunderstorms Likely | 5 to 10 mph W | 63% |
| Sunday Night | 56°F | Showers And Thunderstorms Likely | 9 to 14 mph NE | 66% |
| Monday | 68°F | Chance Rain Showers | 13 mph NE | 53% |
| Monday Night | 52°F | Chance Rain Showers | 10 to 14 mph NE | 41% |
| Tuesday | 68°F | Chance Rain Showers | 13 mph NE | 25% |
| Tuesday Night | 55°F | Rain Showers Likely | 10 to 14 mph NE | 60% |
| Wednesday | 68°F | Rain Showers Likely | 12 mph E | 62% |
| Wednesday Night | 54°F | Showers And Thunderstorms Likely | 7 to 12 mph NE | 62% |
| Thursday | 69°F | Slight Chance Rain Showers | 8 mph NE | 19% |
| Thursday Night | 52°F | Mostly Cloudy | 5 to 9 mph NE | 11% |
| Friday | 70°F | Mostly Sunny | 5 to 10 mph NE | 13% |
| Friday Night | 50°F | Partly Cloudy | 5 to 10 mph NE | 13% |
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
Nearby towns & communities
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 Sep 19, 2026.