Harman US

Williamston, SC Weather & Growing Conditions

Today
74°F
Chance Light Rain
A chance of rain between 11am and 1pm, then a chance of rain and a slight chance of thunderstorms between 1pm and 4pm, then a chance of thunderstorms and a chance of rain. Mostly cloudy, with a high near 74. Southeast wind around 8 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Today 74°F Chance Light Rain 8 mph SE 46%
Tonight 63°F Rain 5 mph SSE 86%
Thursday 76°F Patchy Fog then Chance Light Rain 3 to 7 mph SW 34%
Thursday Night 59°F Chance Light Rain 3 mph SW 29%
Friday 75°F Chance Light Rain 1 to 5 mph WSW 26%
Friday Night 49°F Mostly Clear 5 mph NNW 2%
Saturday 70°F Sunny 3 mph NNW 0%
Saturday Night 43°F Partly Cloudy 2 to 6 mph NNE 0%
Sunday 66°F Sunny 1 to 6 mph SSE 1%
Sunday Night 41°F Mostly Clear 3 mph NW 1%
Monday 67°F Sunny 1 to 5 mph WSW 1%
Monday Night 41°F Mostly Clear 2 mph W 1%
Tuesday 68°F Sunny 0 to 7 mph WSW 2%
Tuesday Night 43°F Mostly Clear 1 to 5 mph WNW 2%

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 Nov 4, 2026.