St. Stephen, SC Weather & Growing Conditions
Today
89°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. South wind 0 to 3 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 89°F | Chance Showers And Thunderstorms | 0 to 3 mph S | 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 | 12% |
| Thursday | 90°F | Showers And Thunderstorms Likely | 0 to 3 mph S | 64% |
| Thursday Night | 73°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 2 mph SE | 64% |
| Friday | 92°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 to 5 mph E | 57% |
| Friday Night | 72°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph E | 38% |
| Saturday | 89°F | Chance Showers And Thunderstorms | 0 to 3 mph SE | 51% |
| Saturday Night | 72°F | Chance Showers And Thunderstorms | 0 to 3 mph SE | 51% |
| Sunday | 92°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 2 mph SW | 56% |
| Sunday Night | 73°F | Showers And Thunderstorms Likely then Partly Cloudy | 1 mph W | 56% |
| Monday | 93°F | Chance Showers And Thunderstorms | 2 mph SW | 45% |
| Monday Night | 74°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 mph W | 45% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for St. Stephen, SC
Last spring frost
Mar 10
First fall frost
Nov 26
Growing season
265 days
Hardiness zone
8b
Explore more for St. Stephen, SC: full frost dates · planting calendar · South Carolina frost dates
Climate data from the nearest NOAA station, Moncks Corner 4 N, Sc (11 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.