Smyrna, SC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Smyrna, a town in York County, South Carolina.
Tonight
54°F
Mostly Clear
Mostly clear, with a low around 54. East wind 1 to 5 mph.
7-day forecast for Smyrna
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 54°F | Mostly Clear | 1 to 5 mph E | 1% |
| Wednesday | 76°F | Mostly Cloudy | 2 to 6 mph SE | 16% |
| Wednesday Night | 63°F | Chance Showers And Thunderstorms | 3 mph SSE | 54% |
| Thursday | 76°F | Patchy Fog | 2 to 6 mph S | 46% |
| Thursday Night | 60°F | Chance Showers And Thunderstorms | 1 mph SSW | 49% |
| Friday | 75°F | Chance Showers And Thunderstorms | 0 to 3 mph SW | 47% |
| Friday Night | 51°F | Mostly Clear | 1 mph NNW | 8% |
| Saturday | 71°F | Sunny | 3 mph N | 6% |
| Saturday Night | 44°F | Partly Cloudy | 1 mph N | 3% |
| Sunday | 66°F | Mostly Sunny | 2 mph NW | 5% |
| Sunday Night | 42°F | Mostly Clear | 2 mph NNW | 13% |
| Monday | 65°F | Sunny | 1 to 6 mph W | 13% |
| Monday Night | 39°F | Mostly Clear | 2 mph WNW | 3% |
| Tuesday | 68°F | Sunny | 0 to 7 mph W | 3% |
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
Baxter Village
Catawba
Clover
Fort Mill
Hickory Grove
India Hook
Lesslie
Lowrys
McConnells
Newport
Riverview
Rock Hill
Sharon
Tega Cay
Van Wyck
York
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 Nov 4, 2026.