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.
This Afternoon
89°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly sunny, with a high near 89. Southwest wind around 3 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for St. Stephen
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 89°F | Chance Showers And Thunderstorms | 3 mph SW | 49% |
| Tonight | 72°F | Chance Showers And Thunderstorms | 0 to 3 mph S | 37% |
| Wednesday | 89°F | Chance Showers And Thunderstorms | 0 to 6 mph S | 48% |
| Wednesday Night | 73°F | Partly Cloudy | 0 to 5 mph E | 13% |
| Thursday | 90°F | Showers And Thunderstorms Likely | 0 to 5 mph S | 67% |
| Thursday Night | 73°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 2 mph SE | 67% |
| Friday | 92°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 to 5 mph SE | 58% |
| Friday Night | 72°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph E | 39% |
| Saturday | 89°F | Chance Showers And Thunderstorms | 0 to 3 mph SE | 51% |
| Saturday Night | 72°F | Chance Showers And Thunderstorms | 2 mph SE | 51% |
| Sunday | 92°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 2 mph SW | 56% |
| Sunday Night | 74°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 1 mph W | 56% |
| Monday | 93°F | Chance Showers And Thunderstorms | 0 to 3 mph SW | 45% |
| Monday Night | 74°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 mph SW | 45% |
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
All South Carolina locations ›
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 Aug 4, 2026.