Union, WV Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Union, a town in Monroe County, West Virginia.
Overnight
64°F
Patchy Fog
Patchy fog after 2am. Mostly cloudy, with a low around 64. Northeast wind around 1 mph.
7-day forecast for Union
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 64°F | Patchy Fog | 1 mph NE | 5% |
| Saturday | 79°F | Patchy Fog then Partly Sunny | 1 to 6 mph E | 13% |
| Saturday Night | 63°F | Partly Cloudy | 2 to 7 mph SE | 7% |
| Sunday | 81°F | Partly Sunny then Showers And Thunderstorms Likely | 3 mph SW | 59% |
| Sunday Night | 63°F | Showers And Thunderstorms Likely | 2 mph W | 59% |
| Monday | 81°F | Showers And Thunderstorms | 2 mph E | 85% |
| Monday Night | 61°F | Showers And Thunderstorms | 2 to 6 mph SE | 85% |
| Tuesday | 70°F | Showers And Thunderstorms Likely | 7 mph E | 64% |
| Tuesday Night | 55°F | Showers And Thunderstorms Likely | 9 mph E | 64% |
| Wednesday | 64°F | Chance Rain Showers | 9 mph E | 49% |
| Wednesday Night | 52°F | Chance Showers And Thunderstorms | 5 to 9 mph E | 41% |
| Thursday | 65°F | Chance Rain Showers | 6 mph E | 38% |
| Thursday Night | 51°F | Chance Rain Showers | 2 to 6 mph NE | 31% |
| Friday | 69°F | Partly Sunny then Slight Chance Rain Showers | 2 to 6 mph N | 16% |
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 Sep 19, 2026.