Union City, OH Weather & Growing Conditions
Tonight
62°F
Mostly Cloudy then Rain Showers
Rain showers after 3am. Mostly cloudy, with a low around 62. South wind 14 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 62°F | Mostly Cloudy then Rain Showers | 14 to 17 mph S | 78% |
| Wednesday | 69°F | Rain Showers | 13 to 20 mph S | 94% |
| Wednesday Night | 48°F | Slight Chance Rain Showers then Mostly Cloudy | 7 to 12 mph SW | 19% |
| Thursday | 63°F | Mostly Sunny | 8 to 15 mph SW | 0% |
| Thursday Night | 44°F | Mostly Cloudy | 3 to 8 mph W | 1% |
| Friday | 57°F | Slight Chance Light Rain | 3 to 10 mph NW | 21% |
| Friday Night | 37°F | Slight Chance Light Rain | 6 to 9 mph NW | 21% |
| Saturday | 54°F | Slight Chance Light Rain then Partly Sunny | 6 to 9 mph NW | 15% |
| Saturday Night | 33°F | Partly Cloudy | 5 mph W | 4% |
| Sunday | 56°F | Mostly Sunny | 3 to 12 mph W | 12% |
| Sunday Night | 34°F | Partly Cloudy | 6 to 9 mph W | 12% |
| Monday | 59°F | Sunny | 6 to 12 mph W | 13% |
| Monday Night | 38°F | Mostly Clear | 10 mph SW | 10% |
| Tuesday | 62°F | Mostly Sunny | 12 mph W | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Union City, OH
Last spring frost
Apr 20
First fall frost
Oct 21
Growing season
183 days
Hardiness zone
6a
Explore more for Union City, OH: full frost dates · planting calendar · Ohio frost dates
Climate data from the nearest NOAA station, Winchester Airport 3 E, In (9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.