Union, WV Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Union, a town in Monroe County, West Virginia.
Overnight
48°F
Mostly Clear
Mostly clear, with a low around 48. Southeast wind around 2 mph.
7-day forecast for Union
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 48°F | Mostly Clear | 2 mph SE | 0% |
| Wednesday | 70°F | Partly Sunny then Slight Chance Rain Showers | 2 to 9 mph SE | 19% |
| Wednesday Night | 57°F | Rain Showers | 7 mph S | 88% |
| Thursday | 72°F | Chance Rain Showers | 2 to 6 mph SW | 41% |
| Thursday Night | 48°F | Chance Rain Showers | 1 mph W | 27% |
| Friday | 67°F | Slight Chance Rain Showers then Mostly Sunny | 1 to 7 mph W | 22% |
| Friday Night | 38°F | Partly Cloudy | 3 to 8 mph NW | 4% |
| Saturday | 56°F | Mostly Sunny | 12 mph NW | 5% |
| Saturday Night | 31°F | Partly Cloudy | 5 to 12 mph NW | 2% |
| Sunday | 56°F | Mostly Sunny | 6 to 9 mph NW | 3% |
| Sunday Night | 29°F | Mostly Clear | 8 mph W | 4% |
| Monday | 58°F | Sunny | 7 to 12 mph W | 4% |
| Monday Night | 29°F | Mostly Clear | 3 to 7 mph W | 4% |
| Tuesday | 63°F | Sunny | 5 to 10 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for Union (37.591, -80.540). Updated through the day.
Growing snapshot for Union
Last spring frost
Apr 30
First fall frost
Oct 12
Growing season
165 days
Hardiness zone
6b
More local growing data for Union: nearby ZIP 24983 weather · frost dates · planting calendar · West Virginia frost dates
Climate data from the nearest NOAA station, Union 3 Sse, Wv (3.9 mi from Union). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.