West Union, SC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for West Union, a town in Oconee County, South Carolina.
Today
68°F
Light Rain Likely
A slight chance of rain before 8am, then a chance of rain and patchy fog between 8am and 10am, then rain likely and a chance of thunderstorms. Cloudy, with a high near 68. East northeast wind 2 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for West Union
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 68°F | Light Rain Likely | 2 to 6 mph ENE | 61% |
| Tonight | 62°F | Rain | 2 mph E | 92% |
| Thursday | 75°F | Areas Of Fog | 0 to 3 mph SSW | 25% |
| Thursday Night | 56°F | Mostly Cloudy then Slight Chance Light Rain | 1 mph W | 19% |
| Friday | 76°F | Slight Chance Light Rain then Sunny | 3 mph WSW | 15% |
| Friday Night | 48°F | Clear | 5 mph NW | 1% |
| Saturday | 70°F | Sunny | 2 mph WSW | 0% |
| Saturday Night | 43°F | Partly Cloudy | 2 mph NNE | 0% |
| Sunday | 67°F | Mostly Sunny | 0 to 3 mph SE | 1% |
| Sunday Night | 42°F | Mostly Clear | 2 mph WNW | 1% |
| Monday | 68°F | Sunny | 2 mph WNW | 1% |
| Monday Night | 42°F | Mostly Clear | 1 mph NW | 1% |
| Tuesday | 69°F | Sunny | 3 mph W | 1% |
| Tuesday Night | 43°F | Mostly Clear | 2 mph WNW | 2% |
Forecast source: National Weather Service (api.weather.gov) for West Union (34.756, -83.044). Updated through the day.
Growing snapshot for West Union
Last spring frost
Apr 11
First fall frost
Oct 30
Growing season
203 days
Hardiness zone
8a
More local growing data for West Union: nearby ZIP 29691 weather · frost dates · planting calendar · South Carolina frost dates
Nearby towns & communities
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Climate data from the nearest NOAA station, Walhalla, Sc (2 mi from West Union). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.