Harman US

Smyrna, SC Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Smyrna, a town in York County, South Carolina.

Overnight
70°F
Partly Cloudy
Partly cloudy, with a low around 70. North wind around 1 mph.

7-day forecast for Smyrna

WhenTempForecastWindPrecip
Overnight 70°F Partly Cloudy 1 mph N 8%
Saturday 87°F Mostly Sunny 1 to 5 mph NE 14%
Saturday Night 69°F Slight Chance Showers And Thunderstorms then Partly Cloudy 0 to 3 mph NE 19%
Sunday 87°F Patchy Fog then Slight Chance Showers And Thunderstorms 1 mph SSE 17%
Sunday Night 68°F Slight Chance Showers And Thunderstorms 1 mph W 19%
Monday 89°F Mostly Sunny then Chance Showers And Thunderstorms 2 mph SE 41%
Monday Night 67°F Chance Showers And Thunderstorms then Showers And Thunderstorms 2 mph ENE 79%
Tuesday 78°F Showers And Thunderstorms Likely 2 to 6 mph NE 67%
Tuesday Night 64°F Showers And Thunderstorms Likely 3 to 7 mph NE 66%
Wednesday 69°F Chance Showers And Thunderstorms 8 mph NE 45%
Wednesday Night 61°F Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms 5 to 8 mph NE 28%
Thursday 73°F Slight Chance Rain Showers then Partly Sunny 7 mph NNE 15%
Thursday Night 59°F Partly Cloudy 2 to 6 mph NE 14%
Friday 74°F Mostly Sunny 5 mph NNE 8%

Forecast source: National Weather Service (api.weather.gov) for Smyrna (35.042, -81.409). Updated through the day.

Growing snapshot for Smyrna

Last spring frost
Apr 20
First fall frost
Oct 24
Growing season
186 days
Hardiness zone
8a

More local growing data for Smyrna: nearby ZIP 29743 weather · frost dates · planting calendar · South Carolina frost dates

Nearby towns & communities

All South Carolina locations ›

Climate data from the nearest NOAA station, Ninety Nine Is, Sc (4 mi from Smyrna). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.