Union City, OH Weather & Growing Conditions
Tonight
56°F
Partly Cloudy then Patchy Fog
Patchy fog after 5am. Partly cloudy, with a low around 56. East wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Partly Cloudy then Patchy Fog | 7 mph E | 3% |
| Saturday | 79°F | Showers And Thunderstorms Likely | 7 mph SE | 69% |
| Saturday Night | 65°F | Showers And Thunderstorms Likely | 7 mph S | 70% |
| Sunday | 79°F | Showers And Thunderstorms Likely | 6 to 9 mph W | 62% |
| Sunday Night | 57°F | Showers And Thunderstorms Likely | 9 to 13 mph NE | 62% |
| Monday | 69°F | Showers And Thunderstorms Likely | 10 to 14 mph NE | 59% |
| Monday Night | 53°F | Chance Showers And Thunderstorms | 10 to 16 mph NE | 48% |
| Tuesday | 68°F | Chance Showers And Thunderstorms | 10 to 14 mph NE | 36% |
| Tuesday Night | 54°F | Chance Rain Showers | 7 to 14 mph NE | 25% |
| Wednesday | 69°F | Slight Chance Rain Showers | 10 mph NE | 19% |
| Wednesday Night | 54°F | Slight Chance Rain Showers then Mostly Cloudy | 6 to 10 mph N | 16% |
| Thursday | 70°F | Partly Sunny | 6 to 9 mph N | 9% |
| Thursday Night | 53°F | Mostly Cloudy | 5 to 9 mph N | 9% |
| Friday | 70°F | Partly Sunny | 5 to 9 mph N | 5% |
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 Sep 19, 2026.