Williamston, SC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Williamston, a town in Greenville County, South Carolina.
This Afternoon
74°F
Mostly Sunny
Mostly sunny, with a high near 74. East wind around 10 mph.
7-day forecast for Williamston
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Mostly Sunny | 10 mph E | 1% |
| Tonight | 59°F | Mostly Cloudy | 8 mph ENE | 3% |
| Wednesday | 74°F | Chance Rain Showers then Chance Showers And Thunderstorms | 8 mph ESE | 54% |
| Wednesday Night | 63°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 6 mph SSE | 71% |
| Thursday | 76°F | Chance Showers And Thunderstorms | 3 to 7 mph SSW | 53% |
| Thursday Night | 59°F | Chance Rain Showers | 5 mph SW | 40% |
| Friday | 76°F | Chance Rain Showers then Mostly Sunny | 2 to 8 mph WSW | 30% |
| Friday Night | 50°F | Mostly Clear | 2 to 6 mph NW | 7% |
| Saturday | 72°F | Sunny | 3 mph NW | 2% |
| Saturday Night | 46°F | Partly Cloudy | 5 mph NE | 1% |
| Sunday | 68°F | Mostly Sunny | 5 mph SE | 9% |
| Sunday Night | 43°F | Mostly Clear | 5 mph W | 9% |
| Monday | 66°F | Sunny | 3 to 7 mph WNW | 8% |
| Monday Night | 40°F | Mostly Clear | 6 mph W | 2% |
Forecast source: National Weather Service (api.weather.gov) for Williamston (34.620, -82.478). Updated through the day.
Growing snapshot for Williamston
Last spring frost
Apr 1
First fall frost
Nov 4
Growing season
219 days
Hardiness zone
8a
More local growing data for Williamston: nearby ZIP 29669 weather · frost dates · planting calendar · South Carolina frost dates
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Climate data from the nearest NOAA station, W Pelzer, Sc (2.4 mi from Williamston). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.