Williamston, SC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Williamston, a town in Greenville County, South Carolina.
Today
84°F
Showers And Thunderstorms
A chance of showers and thunderstorms before 11am, then a chance of showers and thunderstorms between 11am and noon, then showers and thunderstorms between noon and 5pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 84. East northeast wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Williamston
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Showers And Thunderstorms | 7 mph ENE | 85% |
| Tonight | 68°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 2 to 6 mph NE | 55% |
| Wednesday | 84°F | Showers And Thunderstorms Likely | 6 mph SE | 62% |
| Wednesday Night | 69°F | Showers And Thunderstorms Likely then Showers And Thunderstorms | 1 to 5 mph SE | 88% |
| Thursday | 86°F | Chance Showers And Thunderstorms | 1 to 7 mph S | 61% |
| Thursday Night | 69°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 5 mph SSW | 56% |
| Friday | 87°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 6 mph S | 45% |
| Friday Night | 69°F | Chance Showers And Thunderstorms | 0 to 3 mph SE | 45% |
| Saturday | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph WSW | 32% |
| Saturday Night | 70°F | Chance Showers And Thunderstorms | 0 to 5 mph WSW | 32% |
| Sunday | 88°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph WSW | 30% |
| Sunday Night | 70°F | Chance Showers And Thunderstorms | 0 to 5 mph WSW | 30% |
| Monday | 89°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 1 to 7 mph WSW | 23% |
| Monday Night | 71°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph WSW | 23% |
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
Nearby towns & communities
Berea
Caesars Head
City View
Conestee
Dunean
Five Forks
Fountain Inn
Gantt
Golden Grove
Greenville
Greer
Judson
Mauldin
Parker
Pelzer
Piedmont
Powdersville
Sans Souci
Simpsonville
Slater-Marietta
Taylors
The Cliffs Valley
Tigerville
Travelers Rest
Wade Hampton
Ware Place
Welcome
West Pelzer
All South Carolina locations ›
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 Aug 4, 2026.