St. Stephen, SC Weather & Growing Conditions
This Afternoon
90°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Northeast wind around 2 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 |
|---|---|---|---|---|
| This Afternoon | 90°F | Chance Showers And Thunderstorms | 2 mph NE | 53% |
| Tonight | 70°F | Chance Showers And Thunderstorms | 2 mph E | 42% |
| Sunday | 88°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 2 mph NE | 22% |
| Sunday Night | 70°F | Partly Cloudy | 1 mph NE | 14% |
| Monday | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 mph E | 32% |
| Monday Night | 70°F | Chance Showers And Thunderstorms | 1 mph E | 32% |
| Tuesday | 88°F | Showers And Thunderstorms Likely | 0 to 3 mph NE | 73% |
| Tuesday Night | 68°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 5 mph NE | 73% |
| Wednesday | 84°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 5 to 8 mph NE | 39% |
| Wednesday Night | 65°F | Chance Showers And Thunderstorms then Mostly Cloudy | 7 mph NE | 39% |
| Thursday | 82°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 8 mph N | 20% |
| Thursday Night | 62°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 6 mph N | 20% |
| Friday | 81°F | Sunny | 6 mph N | 8% |
| Friday Night | 61°F | Partly Cloudy | 0 to 3 mph N | 8% |
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 Sep 19, 2026.