Union, WV Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Union, a town in Monroe County, West Virginia.
Today
81°F
Partly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 81. East wind around 7 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Union
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 7 mph E | 24% |
| Tonight | 64°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 1 to 7 mph E | 37% |
| Wednesday | 82°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 1 to 5 mph SE | 62% |
| Wednesday Night | 65°F | Showers And Thunderstorms Likely then Mostly Cloudy | 3 mph S | 67% |
| Thursday | 84°F | Partly Sunny then Showers And Thunderstorms | 1 to 5 mph SW | 84% |
| Thursday Night | 64°F | Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 3 mph SW | 84% |
| Friday | 84°F | Showers And Thunderstorms Likely | 1 to 5 mph SW | 69% |
| Friday Night | 64°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 3 mph SW | 69% |
| Saturday | 84°F | Partly Sunny then Showers And Thunderstorms Likely | 0 to 5 mph W | 60% |
| Saturday Night | 64°F | Showers And Thunderstorms Likely | 3 mph SW | 60% |
| Sunday | 84°F | Partly Sunny then Chance Showers And Thunderstorms | 1 to 5 mph W | 28% |
| Sunday Night | 64°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 mph W | 28% |
| Monday | 86°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 6 mph W | 22% |
| Monday Night | 66°F | Slight Chance Showers And Thunderstorms | 5 mph W | 22% |
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 Aug 4, 2026.