Walterboro, SC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Walterboro, a city in Colleton County, South Carolina.
This Afternoon
93°F
Mostly Sunny
Mostly sunny, with a high near 93. Wind around 0 mph.
7-day forecast for Walterboro
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 93°F | Mostly Sunny | 0 mph | 2% |
| Tonight | 70°F | Partly Cloudy | 2 mph SW | 9% |
| Saturday | 92°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 mph N | 41% |
| Saturday Night | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 mph E | 43% |
| Sunday | 89°F | Slight Chance Showers And Thunderstorms | 0 to 3 mph NE | 55% |
| Sunday Night | 71°F | Showers And Thunderstorms Likely then Partly Cloudy | 0 to 3 mph E | 55% |
| Monday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 3 mph E | 42% |
| Monday Night | 71°F | Chance Showers And Thunderstorms | 2 mph E | 42% |
| Tuesday | 88°F | Showers And Thunderstorms Likely | 1 to 5 mph NE | 65% |
| Tuesday Night | 70°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 65% |
| Wednesday | 84°F | Chance Rain Showers then Chance Showers And Thunderstorms | 6 to 10 mph NE | 39% |
| Wednesday Night | 67°F | Chance Showers And Thunderstorms then Mostly Cloudy | 5 to 10 mph NE | 39% |
| Thursday | 83°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 10 mph NE | 18% |
| Thursday Night | 65°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 to 9 mph NE | 18% |
Forecast source: National Weather Service (api.weather.gov) for Walterboro (32.901, -80.676). Updated through the day.
Growing snapshot for Walterboro
Last spring frost
Mar 19
First fall frost
Nov 12
Growing season
239 days
Hardiness zone
8b
More local growing data for Walterboro: nearby ZIP 29488 weather · frost dates · planting calendar · South Carolina frost dates
Nearby towns & communities
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Climate data from the nearest NOAA station, Walterboro 1 Sw, Sc (1.5 mi from Walterboro). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.