Smyrna, SC Weather & Growing Conditions
Tonight
54°F
Mostly Clear
Mostly clear, with a low around 54. East southeast wind 1 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 54°F | Mostly Clear | 1 to 5 mph ESE | 1% |
| Wednesday | 76°F | Mostly Cloudy | 2 to 6 mph SE | 17% |
| Wednesday Night | 63°F | Chance Showers And Thunderstorms | 5 mph SSE | 53% |
| Thursday | 76°F | Patchy Fog | 2 to 6 mph S | 47% |
| Thursday Night | 60°F | Chance Showers And Thunderstorms | 1 mph SSW | 49% |
| Friday | 76°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 | 2% |
| Sunday | 67°F | Mostly Sunny | 2 mph NNW | 5% |
| Sunday Night | 42°F | Mostly Clear | 2 mph NNW | 13% |
| Monday | 66°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 | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Smyrna, SC
Last spring frost
Apr 20
First fall frost
Oct 24
Growing season
186 days
Hardiness zone
8a
Explore more for Smyrna, SC: full frost dates · planting calendar · South Carolina frost dates
Climate data from the nearest NOAA station, Ninety Nine Is, Sc (4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.