Harleyville, SC Weather & Growing Conditions
Overnight
61°F
Areas Of Fog
Areas of fog. Partly cloudy, with a low around 61. East wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 61°F | Areas Of Fog | 3 mph E | 1% |
| Wednesday | 84°F | Areas Of Fog then Mostly Sunny | 3 to 10 mph SE | 3% |
| Wednesday Night | 64°F | Mostly Cloudy | 0 to 5 mph SE | 9% |
| Thursday | 85°F | Mostly Sunny then Slight Chance Rain Showers | 0 to 5 mph S | 18% |
| Thursday Night | 65°F | Partly Cloudy | 2 mph S | 8% |
| Friday | 81°F | Rain Showers Likely | 1 to 6 mph SW | 70% |
| Friday Night | 55°F | Chance Rain Showers then Partly Cloudy | 2 mph NW | 44% |
| Saturday | 75°F | Sunny | 2 to 6 mph N | 2% |
| Saturday Night | 45°F | Partly Cloudy | 2 mph NE | 2% |
| Sunday | 72°F | Mostly Sunny | 3 mph NE | 1% |
| Sunday Night | 42°F | Partly Cloudy | 1 mph N | 3% |
| Monday | 71°F | Sunny | 3 mph N | 3% |
| Monday Night | 40°F | Mostly Clear | 1 mph N | 4% |
| Tuesday | 72°F | Sunny | 0 to 5 mph NW | 3% |
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 (4.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.