Union, WV Weather & Growing Conditions
Today
67°F
Patchy Fog then Mostly Cloudy
Patchy fog before 8am. Mostly cloudy, with a high near 67. South wind 0 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 67°F | Patchy Fog then Mostly Cloudy | 0 to 10 mph S | 10% |
| Tonight | 56°F | Rain Showers | 6 to 9 mph S | 87% |
| Thursday | 71°F | Chance Rain Showers | 2 to 6 mph SW | 36% |
| Thursday Night | 48°F | Slight Chance Rain Showers | 2 mph W | 22% |
| Friday | 66°F | Slight Chance Rain Showers then Mostly Sunny | 2 to 7 mph NW | 22% |
| Friday Night | 39°F | Partly Cloudy | 5 to 9 mph NW | 4% |
| Saturday | 54°F | Mostly Sunny | 10 mph NW | 4% |
| Saturday Night | 32°F | Partly Cloudy | 7 to 10 mph NW | 3% |
| Sunday | 56°F | Mostly Sunny | 9 mph NW | 3% |
| Sunday Night | 30°F | Mostly Clear | 10 mph W | 3% |
| Monday | 56°F | Sunny | 12 mph NW | 4% |
| Monday Night | 31°F | Mostly Clear | 5 to 8 mph W | 4% |
| Tuesday | 61°F | Sunny | 6 to 10 mph W | 1% |
| Tuesday Night | 33°F | Mostly Clear | 5 to 8 mph W | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Union, WV
Last spring frost
Apr 30
First fall frost
Oct 12
Growing season
165 days
Hardiness zone
6b
Explore more for Union, WV: full frost dates · planting calendar · West Virginia frost dates
Climate data from the nearest NOAA station, Union 3 Sse, Wv (10.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.