Harman US

Seneca, SC Weather & Growing Conditions

Tonight
60°F
Mostly Cloudy
Mostly cloudy, with a low around 60. East northeast wind 3 to 7 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 60°F Mostly Cloudy 3 to 7 mph ENE 6%
Wednesday 71°F Chance Rain Showers then Patchy Fog 2 to 7 mph ESE 53%
Wednesday Night 63°F Patchy Fog 2 mph SSE 97%
Thursday 76°F Patchy Fog 1 to 5 mph SSW 38%
Thursday Night 57°F Chance Rain Showers 2 mph W 36%
Friday 76°F Chance Rain Showers then Mostly Sunny 1 to 6 mph WSW 26%
Friday Night 49°F Mostly Clear 1 to 5 mph WNW 4%
Saturday 72°F Sunny 2 mph NNW 1%
Saturday Night 46°F Partly Cloudy 2 mph NNE 1%
Sunday 68°F Mostly Sunny 2 mph SE 7%
Sunday Night 42°F Mostly Clear 3 mph WNW 9%
Monday 67°F Sunny 6 mph W 8%
Monday Night 41°F Mostly Clear 3 mph WNW 2%
Tuesday 70°F Sunny 2 to 6 mph WSW 1%

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

Growing snapshot for Seneca, SC

Last spring frost
Mar 21
First fall frost
Nov 11
Growing season
236 days
Hardiness zone
8b

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

Climate data from the nearest NOAA station, Clemson Oconee Co Ap, Sc (3.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.