Williamston, SC Weather & Growing Conditions
Today
83°F
Showers And Thunderstorms
A slight chance of rain showers before 8am, then a chance of showers and thunderstorms between 8am and 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 83. East northeast wind 3 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Showers And Thunderstorms | 3 to 7 mph ENE | 84% |
| 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 | 60% |
| Wednesday Night | 69°F | Showers And Thunderstorms Likely then Showers And Thunderstorms | 0 to 5 mph SSE | 87% |
| Thursday | 86°F | Chance Showers And Thunderstorms | 0 to 7 mph S | 62% |
| Thursday Night | 69°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 5 mph SSW | 57% |
| Friday | 87°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 6 mph S | 46% |
| Friday Night | 69°F | Chance Showers And Thunderstorms | 0 to 3 mph SSW | 46% |
| Saturday | 87°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph SW | 33% |
| Saturday Night | 70°F | Chance Showers And Thunderstorms | 0 to 3 mph WSW | 33% |
| 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 | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 7 mph WSW | 24% |
| Monday Night | 71°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 1 to 5 mph WSW | 24% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Williamston, SC
Last spring frost
Apr 1
First fall frost
Nov 4
Growing season
219 days
Hardiness zone
8a
Explore more for Williamston, SC: full frost dates · planting calendar · South Carolina frost dates
Climate data from the nearest NOAA station, W Pelzer, Sc (5.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.