Harman US

Graniteville, SC Weather & Growing Conditions

Tonight
66°F
Slight Chance T-storms then Light Rain Likely
A slight chance of thunderstorms and a slight chance of rain between 8pm and 9pm, then rain likely and a slight chance of thunderstorms between 9pm and 5am. Mostly cloudy, with a low around 66. South wind 5 to 12 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 66°F Slight Chance T-storms then Light Rain Likely 5 to 12 mph S 59%
Thursday 80°F Chance Rain Showers 3 to 8 mph SW 28%
Thursday Night 64°F Chance Showers And Thunderstorms 3 mph S 50%
Friday 78°F Showers And Thunderstorms Likely then Light Rain Likely 1 to 8 mph SW 63%
Friday Night 54°F Mostly Clear 5 mph NW 6%
Saturday 73°F Sunny 5 to 8 mph N 0%
Saturday Night 45°F Mostly Clear 6 mph NE 0%
Sunday 70°F Sunny 5 mph NE 1%
Sunday Night 43°F Mostly Clear 2 mph N 1%
Monday 72°F Sunny 1 to 5 mph NE 3%
Monday Night 43°F Mostly Clear then Slight Chance Light Rain 2 mph NE 15%
Tuesday 72°F Slight Chance Light Rain then Mostly Sunny 0 to 7 mph SE 15%
Tuesday Night 46°F Slight Chance Light Rain 1 to 5 mph NW 15%
Veterans Day 71°F Slight Chance Light Rain then Mostly Sunny 1 to 6 mph N 15%

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 Nov 5, 2026.