Harman US

St. Stephen, SC Weather & Growing Conditions

This Afternoon
81°F
Sunny
Sunny. High near 81, with temperatures falling to around 75 in the afternoon. East wind around 6 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 81°F Sunny 6 mph E 0%
Tonight 60°F Mostly Clear 3 mph E 1%
Wednesday 82°F Patchy Fog then Mostly Sunny 2 to 7 mph E 3%
Wednesday Night 64°F Mostly Cloudy 2 mph E 3%
Thursday 84°F Mostly Sunny 0 to 3 mph S 12%
Thursday Night 64°F Mostly Cloudy 1 mph SE 11%
Friday 80°F Showers And Thunderstorms Likely 0 to 3 mph SW 70%
Friday Night 58°F Showers And Thunderstorms Likely 1 mph NW 66%
Saturday 77°F Mostly Sunny 2 mph N 9%
Saturday Night 48°F Partly Cloudy 1 mph N 5%
Sunday 72°F Mostly Sunny 2 mph N 6%
Sunday Night 46°F Partly Cloudy 1 mph N 11%
Monday 70°F Slight Chance Rain Showers 5 mph NW 15%
Monday Night 41°F Mostly Clear 2 mph N 5%

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 Nov 4, 2026.