Simpsonville, SC Weather & Growing Conditions
This Afternoon
73°F
Mostly Sunny
Mostly sunny, with a high near 73. East wind around 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Mostly Sunny | 8 mph E | 1% |
| Tonight | 57°F | Mostly Cloudy | 6 mph ENE | 2% |
| Wednesday | 73°F | Mostly Cloudy then Chance Showers And Thunderstorms | 7 mph ESE | 44% |
| Wednesday Night | 63°F | Showers And Thunderstorms | 6 mph SSE | 83% |
| Thursday | 75°F | Chance Showers And Thunderstorms | 3 to 7 mph SSW | 49% |
| Thursday Night | 59°F | Chance Rain Showers | 5 mph SW | 41% |
| Friday | 75°F | Chance Showers And Thunderstorms then Mostly Sunny | 2 to 6 mph WSW | 32% |
| Friday Night | 51°F | Mostly Clear | 6 mph NW | 7% |
| Saturday | 71°F | Sunny | 5 mph NNW | 4% |
| Saturday Night | 45°F | Partly Cloudy | 2 to 6 mph N | 1% |
| Sunday | 67°F | Mostly Sunny | 5 mph NW | 7% |
| Sunday Night | 42°F | Mostly Clear | 5 mph WNW | 11% |
| Monday | 66°F | Sunny | 7 mph WNW | 11% |
| Monday Night | 40°F | Clear | 6 mph W | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Simpsonville, SC
Last spring frost
Mar 29
First fall frost
Nov 5
Growing season
222 days
Hardiness zone
8a
Explore more for Simpsonville, SC: full frost dates · planting calendar · South Carolina frost dates
Climate data from the nearest NOAA station, Fountain Inn 2 Sw, Sc (6.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.