Williams, SC Weather & Growing Conditions
Tonight
71°F
Partly Cloudy
Partly cloudy, with a low around 71. Wind around 0 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 71°F | Partly Cloudy | 0 mph | 9% |
| Sunday | 88°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 2 mph NE | 20% |
| Sunday Night | 70°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 1 mph E | 16% |
| Monday | 90°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 mph E | 20% |
| Monday Night | 70°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 2 mph SE | 20% |
| Tuesday | 88°F | Partly Sunny then Showers And Thunderstorms Likely | 2 mph NE | 73% |
| Tuesday Night | 69°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 3 mph NE | 73% |
| Wednesday | 84°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 5 to 8 mph NE | 35% |
| Wednesday Night | 65°F | Chance Showers And Thunderstorms | 7 mph NE | 35% |
| Thursday | 81°F | Mostly Sunny | 8 mph N | 11% |
| Thursday Night | 63°F | Partly Cloudy | 2 to 7 mph N | 11% |
| Friday | 81°F | Sunny | 6 mph N | 7% |
| Friday Night | 61°F | Partly Cloudy | 0 to 3 mph NE | 7% |
| Saturday | 80°F | Mostly Sunny | 2 to 6 mph NE | 11% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Williams, SC
Last spring frost
Mar 19
First fall frost
Nov 12
Growing season
239 days
Hardiness zone
8b
Explore more for Williams, SC: full frost dates · planting calendar · South Carolina frost dates
Climate data from the nearest NOAA station, Walterboro 1 Sw, Sc (10.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.