Union, WV Weather & Growing Conditions
This Afternoon
70°F
Slight Chance Light Rain
A slight chance of rain after 5pm. Mostly cloudy, with a high near 70. South wind around 12 mph, with gusts as high as 22 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Slight Chance Light Rain | 12 mph S | 23% |
| Tonight | 59°F | Rain | 8 mph S | 99% |
| Thursday | 69°F | Chance Light Rain then Slight Chance Rain Showers | 3 to 7 mph SW | 25% |
| Thursday Night | 46°F | Mostly Cloudy | 3 mph SW | 5% |
| Friday | 66°F | Mostly Sunny | 2 to 7 mph W | 9% |
| Friday Night | 36°F | Partly Cloudy | 5 to 9 mph NW | 2% |
| Saturday | 52°F | Mostly Sunny | 9 to 14 mph NW | 3% |
| Saturday Night | 29°F | Partly Cloudy | 7 to 14 mph NW | 2% |
| Sunday | 57°F | Mostly Sunny | 7 to 10 mph NW | 0% |
| Sunday Night | 28°F | Mostly Clear | 9 mph W | 0% |
| Monday | 60°F | Sunny | 7 to 10 mph W | 0% |
| Monday Night | 30°F | Mostly Clear | 3 to 7 mph W | 0% |
| Tuesday | 64°F | Sunny | 5 to 9 mph W | 2% |
| Tuesday Night | 32°F | Partly Cloudy | 2 to 7 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 (7.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.