West Union, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for West Union, a village in Adams County, Ohio.
Tonight
63°F
Partly Cloudy then Areas Of Fog
Areas of fog after 3am. Partly cloudy, with a low around 63. Northeast wind 3 to 7 mph.
7-day forecast for West Union
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 63°F | Partly Cloudy then Areas Of Fog | 3 to 7 mph NE | 7% |
| Saturday | 84°F | Widespread Fog then Mostly Sunny | 3 mph SE | 11% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms | 5 mph S | 31% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 7 mph SW | 43% |
| Sunday Night | 64°F | Chance Showers And Thunderstorms | 6 mph N | 43% |
| Monday | 79°F | Chance Rain Showers then Chance Showers And Thunderstorms | 8 mph NE | 41% |
| Monday Night | 61°F | Chance Showers And Thunderstorms | 6 to 9 mph NE | 54% |
| Tuesday | 75°F | Chance Showers And Thunderstorms | 8 mph NE | 51% |
| Tuesday Night | 60°F | Showers And Thunderstorms Likely | 5 to 8 mph NE | 56% |
| Wednesday | 73°F | Chance Rain Showers | 7 mph NE | 52% |
| Wednesday Night | 57°F | Chance Showers And Thunderstorms | 7 mph N | 51% |
| Thursday | 72°F | Slight Chance Rain Showers then Partly Sunny | 7 mph N | 15% |
| Thursday Night | 56°F | Mostly Cloudy | 3 to 7 mph N | 14% |
| Friday | 72°F | Partly Sunny | 7 mph N | 4% |
Forecast source: National Weather Service (api.weather.gov) for West Union (38.792, -83.544). Updated through the day.
Growing snapshot for West Union
Last spring frost
Apr 29
First fall frost
Oct 11
Growing season
162 days
Hardiness zone
6b
More local growing data for West Union: nearby ZIP 45693 weather · frost dates · planting calendar · Ohio frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Ripley Exp Farm, Oh (14.3 mi from West Union). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.