Williams, SC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Williams, a town in Colleton County, South Carolina.
Overnight
71°F
Partly Cloudy
Partly cloudy, with a low around 71. Wind around 0 mph.
7-day forecast for Williams
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 71°F | Partly Cloudy | 0 mph | 4% |
| Tuesday | 90°F | Patchy Fog then Chance Showers And Thunderstorms | 0 to 3 mph SW | 48% |
| Tuesday Night | 71°F | Showers And Thunderstorms Likely then Partly Cloudy | 0 to 3 mph S | 62% |
| Wednesday | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph S | 38% |
| Wednesday Night | 72°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SE | 19% |
| Thursday | 91°F | Showers And Thunderstorms Likely | 0 to 3 mph S | 66% |
| Thursday Night | 72°F | Showers And Thunderstorms Likely | 2 mph SE | 66% |
| Friday | 92°F | Chance Showers And Thunderstorms | 0 to 5 mph E | 48% |
| Friday Night | 72°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph SE | 45% |
| Saturday | 91°F | Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 3 mph E | 53% |
| Saturday Night | 72°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 3 mph SE | 53% |
| Sunday | 92°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 1 mph W | 54% |
| Sunday Night | 73°F | Chance Showers And Thunderstorms | 1 mph E | 54% |
| Monday | 93°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 mph SW | 37% |
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 Aug 4, 2026.