Harman US

Williams, SC Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Williams, a town in Colleton County, South Carolina.

Tonight
62°F
Partly Cloudy
Partly cloudy, with a low around 62. East wind around 3 mph.

7-day forecast for Williams

WhenTempForecastWindPrecip
Tonight 62°F Partly Cloudy 3 mph E 1%
Wednesday 83°F Patchy Fog then Partly Sunny 2 to 8 mph SE 3%
Wednesday Night 64°F Mostly Cloudy then Slight Chance Rain Showers 0 to 3 mph SE 17%
Thursday 83°F Partly Sunny then Slight Chance Showers And Thunderstorms 0 to 3 mph S 24%
Thursday Night 65°F Slight Chance Rain Showers then Mostly Cloudy 2 mph S 24%
Friday 81°F Showers And Thunderstorms Likely 1 to 5 mph SW 59%
Friday Night 54°F Chance Showers And Thunderstorms 1 mph NW 34%
Saturday 78°F Mostly Sunny 3 mph N 8%
Saturday Night 48°F Partly Cloudy 1 mph N 7%
Sunday 73°F Mostly Sunny 2 mph N 6%
Sunday Night 45°F Partly Cloudy 1 mph NW 11%
Monday 71°F Slight Chance Rain Showers 5 mph NW 15%
Monday Night 41°F Slight Chance Rain Showers 2 mph N 15%
Tuesday 72°F Sunny 1 to 5 mph W 4%

Forecast source: National Weather Service (api.weather.gov) for Williams (33.034, -80.843). Updated through the day.

Growing snapshot for Williams

Last spring frost
Mar 19
First fall frost
Nov 12
Growing season
239 days
Hardiness zone
8b

More local growing data for Williams: nearby ZIP 29493 weather · frost dates · planting calendar · South Carolina frost dates

Nearby towns & communities

All South Carolina locations ›

Climate data from the nearest NOAA station, Walterboro 1 Sw, Sc (14.7 mi from Williams). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.