Smyrna, SC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Smyrna, a town in York County, South Carolina.
Today
82°F
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms
A slight chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms between 8am and 9am, then a slight chance of showers and thunderstorms between 9am and 10am, then a chance of showers and thunderstorms between 10am and 11am, then a chance of showers and thunderstorms between 11am and noon, then showers and thunderstorms between noon and 4pm, then showers and thunderstorms likely. Partly sunny, with a high near 82. East northeast wind 0 to 5 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Smyrna
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms | 0 to 5 mph ENE | 86% |
| Tonight | 68°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 2 mph NE | 55% |
| Wednesday | 84°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 to 3 mph SSE | 61% |
| Wednesday Night | 68°F | Showers And Thunderstorms | 2 mph W | 80% |
| Thursday | 86°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph SSW | 57% |
| Thursday Night | 69°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 mph S | 53% |
| Friday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 3 mph SW | 35% |
| Friday Night | 69°F | Chance Showers And Thunderstorms | 2 mph W | 35% |
| Saturday | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 3 mph SW | 29% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms | 1 mph W | 29% |
| Sunday | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 mph WSW | 30% |
| Sunday Night | 70°F | Chance Showers And Thunderstorms | 1 mph WNW | 30% |
| Monday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 3 mph WSW | 22% |
| Monday Night | 71°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 2 mph WNW | 22% |
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 Aug 4, 2026.