Harman US

Summerville, SC Weather & Growing Conditions

This Afternoon
82°F
Mostly Sunny
Mostly sunny, with a high near 82. Southeast wind 5 to 9 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 82°F Mostly Sunny 5 to 9 mph SE 1%
Tonight 66°F Mostly Cloudy then Patchy Fog 0 to 3 mph SE 3%
Thursday 83°F Patchy Fog then Mostly Sunny 0 to 5 mph S 5%
Thursday Night 66°F Partly Cloudy 3 mph S 3%
Friday 81°F Rain Showers Likely 1 to 6 mph SW 58%
Friday Night 59°F Rain Showers Likely then Mostly Cloudy 2 mph NW 58%
Saturday 75°F Sunny 2 to 6 mph N 1%
Saturday Night 48°F Partly Cloudy 3 mph N 0%
Sunday 69°F Sunny 3 mph N 0%
Sunday Night 44°F Mostly Clear 0 mph 2%
Monday 72°F Sunny 1 mph N 6%
Monday Night 44°F Mostly Clear then Slight Chance Rain Showers 0 mph 15%
Tuesday 73°F Slight Chance Rain Showers 2 mph SE 15%
Tuesday Night 48°F Slight Chance Rain Showers 1 mph NW 15%

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

Growing snapshot for Summerville, SC

Last spring frost
Mar 22
First fall frost
Nov 12
Growing season
238 days
Hardiness zone
8b

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

Climate data from the nearest NOAA station, Summerville 4W, Sc (6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.