Simpsonville, SC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Simpsonville, a city in Greenville County, South Carolina.
Today
75°F
Mostly Sunny
Mostly sunny, with a high near 75. East wind around 9 mph.
7-day forecast for Simpsonville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Mostly Sunny | 9 mph E | 3% |
| Tonight | 57°F | Mostly Cloudy then Patchy Fog | 6 mph ENE | 8% |
| Wednesday | 74°F | Patchy Fog then Chance Showers And Thunderstorms | 7 mph E | 53% |
| Wednesday Night | 62°F | Showers And Thunderstorms Likely then Light Rain | 5 mph SE | 80% |
| Thursday | 76°F | Light Rain Likely | 2 to 7 mph SSW | 69% |
| Thursday Night | 58°F | Light Rain Likely | 3 mph SSW | 55% |
| Friday | 75°F | Chance Light Rain | 2 to 8 mph SW | 49% |
| Friday Night | 50°F | Slight Chance Light Rain then Partly Cloudy | 3 to 7 mph WNW | 17% |
| Saturday | 72°F | Mostly Sunny | 5 mph NW | 4% |
| Saturday Night | 48°F | Partly Cloudy | 5 mph N | 3% |
| Sunday | 68°F | Mostly Sunny then Slight Chance Light Rain | 5 mph NNW | 15% |
| Sunday Night | 45°F | Slight Chance Light Rain | 6 mph WNW | 15% |
| Monday | 65°F | Slight Chance Light Rain then Sunny | 5 to 9 mph NW | 15% |
| Monday Night | 40°F | Mostly Clear | 2 to 9 mph N | 9% |
Forecast source: National Weather Service (api.weather.gov) for Simpsonville (34.729, -82.258). Updated through the day.
Growing snapshot for Simpsonville
Last spring frost
Mar 29
First fall frost
Nov 5
Growing season
222 days
Hardiness zone
8a
More local growing data for Simpsonville: nearby ZIP 29681 weather · frost dates · planting calendar · South Carolina frost dates
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Climate data from the nearest NOAA station, Fountain Inn 2 Sw, Sc (6.4 mi from Simpsonville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.