Harman US

Graniteville, SC Weather & Growing Conditions

This Afternoon
93°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 93. Heat index values as high as 100. Northeast wind around 6 mph. Chance of precipitation is 20%.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 93°F Slight Chance Showers And Thunderstorms 6 mph NE 22%
Tonight 71°F Chance Showers And Thunderstorms 5 mph E 36%
Sunday 92°F Areas Of Fog then Mostly Sunny 3 mph E 13%
Sunday Night 71°F Mostly Clear 0 to 3 mph E 13%
Monday 93°F Mostly Sunny then Slight Chance Showers And Thunderstorms 0 to 5 mph E 19%
Monday Night 70°F Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms 1 to 5 mph SE 45%
Tuesday 90°F Showers And Thunderstorms Likely 2 to 7 mph E 64%
Tuesday Night 69°F Showers And Thunderstorms Likely then Chance Showers And Thunderstorms 7 mph NE 64%
Wednesday 84°F Chance Showers And Thunderstorms 7 to 14 mph NE 34%
Wednesday Night 65°F Chance Showers And Thunderstorms 9 to 14 mph NE 34%
Thursday 81°F Slight Chance Rain Showers then Partly Sunny 12 mph N 15%
Thursday Night 62°F Partly Cloudy 6 to 12 mph NE 10%
Friday 82°F Mostly Sunny 8 mph N 5%
Friday Night 61°F Mostly Clear 3 to 7 mph NE 6%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Graniteville, SC

Last spring frost
Apr 9
First fall frost
Nov 1
Growing season
206 days
Hardiness zone
8b

Explore more for Graniteville, SC: full frost dates · planting calendar · South Carolina frost dates

Climate data from the nearest NOAA station, Graniteville 1.2 Ne, Sc (3.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.