St. Stephen, SC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. Stephen, a town in Berkeley County, South Carolina.
Tonight
71°F
Mostly Clear then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 1am and 5am. Mostly clear, with a low around 71. Wind around 0 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for St. Stephen
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 71°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 0 mph | 20% |
| Saturday | 92°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 2 mph NE | 51% |
| Saturday Night | 70°F | Chance Showers And Thunderstorms | 1 mph NE | 41% |
| Sunday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 mph NE | 45% |
| Sunday Night | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 1 mph NE | 45% |
| Monday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 mph E | 40% |
| Monday Night | 70°F | Chance Showers And Thunderstorms | 1 mph NE | 40% |
| Tuesday | 87°F | Showers And Thunderstorms Likely | 0 to 3 mph NE | 63% |
| Tuesday Night | 69°F | Showers And Thunderstorms Likely | 0 to 3 mph NE | 63% |
| Wednesday | 84°F | Chance Rain Showers then Chance Showers And Thunderstorms | 5 to 8 mph NE | 41% |
| Wednesday Night | 66°F | Chance Showers And Thunderstorms then Mostly Cloudy | 7 mph NE | 41% |
| Thursday | 83°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 8 mph NE | 22% |
| Thursday Night | 64°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 2 to 7 mph NE | 22% |
| Friday | 82°F | Mostly Sunny | 5 to 8 mph N | 13% |
Forecast source: National Weather Service (api.weather.gov) for St. Stephen (33.403, -79.926). Updated through the day.
Growing snapshot for St. Stephen
Last spring frost
Mar 10
First fall frost
Nov 26
Growing season
265 days
Hardiness zone
8b
More local growing data for St. Stephen: nearby ZIP 29479 weather · frost dates · planting calendar · South Carolina frost dates
Nearby towns & communities
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Climate data from the nearest NOAA station, Moncks Corner 4 N, Sc (11 mi from St. Stephen). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.