Harleyville, SC Weather & Growing Conditions
Today
83°F
Partly Sunny
Partly sunny, with a high near 83. Southeast wind 6 to 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Partly Sunny | 6 to 9 mph SE | 3% |
| Tonight | 64°F | Mostly Cloudy | 0 to 3 mph SE | 8% |
| Thursday | 84°F | Patchy Fog then Mostly Sunny | 0 to 5 mph S | 13% |
| Thursday Night | 65°F | Partly Cloudy | 2 mph S | 6% |
| Friday | 81°F | Rain Showers Likely | 1 to 6 mph SW | 65% |
| Friday Night | 56°F | Chance Rain Showers then Partly Cloudy | 2 mph NW | 47% |
| Saturday | 75°F | Sunny | 5 mph N | 2% |
| Saturday Night | 47°F | Partly Cloudy | 2 mph NE | 2% |
| Sunday | 71°F | Mostly Sunny | 3 mph NE | 1% |
| Sunday Night | 44°F | Partly Cloudy | 1 mph N | 3% |
| Monday | 71°F | Sunny | 3 mph N | 3% |
| Monday Night | 41°F | Mostly Clear | 1 mph N | 4% |
| Tuesday | 72°F | Sunny | 3 mph NW | 3% |
| Tuesday Night | 44°F | Mostly Clear | 1 mph W | 7% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Harleyville, SC
Last spring frost
Mar 22
First fall frost
Nov 12
Growing season
237 days
Hardiness zone
8b
Explore more for Harleyville, SC: full frost dates · planting calendar · South Carolina frost dates
Climate data from the nearest NOAA station, Holly Hill 1 Sw, Sc (12.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.