Williamston, SC Weather & Growing Conditions
This Afternoon
90°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 90. Northeast wind around 7 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 90°F | Chance Showers And Thunderstorms | 7 mph NE | 35% |
| Tonight | 70°F | Chance Showers And Thunderstorms | 3 to 7 mph ENE | 38% |
| Sunday | 88°F | Patchy Fog then Slight Chance Showers And Thunderstorms | 2 mph SE | 16% |
| Sunday Night | 69°F | Partly Cloudy | 3 mph SW | 13% |
| Monday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 1 to 5 mph SW | 38% |
| Monday Night | 68°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 6 mph NE | 75% |
| Tuesday | 81°F | Chance Showers And Thunderstorms | 6 to 9 mph ENE | 69% |
| Tuesday Night | 66°F | Showers And Thunderstorms Likely | 9 to 13 mph NE | 68% |
| Wednesday | 72°F | Chance Rain Showers | 15 mph NE | 48% |
| Wednesday Night | 62°F | Chance Showers And Thunderstorms | 14 mph NE | 30% |
| Thursday | 75°F | Mostly Sunny | 12 mph NE | 13% |
| Thursday Night | 61°F | Partly Cloudy | 7 to 12 mph NE | 13% |
| Friday | 76°F | Mostly Sunny | 7 mph NE | 9% |
| Friday Night | 60°F | Partly Cloudy | 7 mph NE | 11% |
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 Sep 19, 2026.