Harleyville, SC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Harleyville, a town in Dorchester County, South Carolina.
Overnight
61°F
Partly Cloudy
Partly cloudy, with a low around 61. East wind around 3 mph.
7-day forecast for Harleyville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 61°F | Partly Cloudy | 3 mph E | 1% |
| Wednesday | 84°F | Patchy Fog then Partly 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 | 17% |
| Thursday Night | 65°F | Partly Cloudy | 3 mph S | 7% |
| Friday | 81°F | Rain Showers Likely | 1 to 7 mph SW | 69% |
| Friday Night | 55°F | Chance Rain Showers then Partly Cloudy | 2 mph NW | 45% |
| Saturday | 75°F | Sunny | 2 to 6 mph N | 2% |
| Saturday Night | 45°F | Partly Cloudy | 3 mph NE | 2% |
| Sunday | 72°F | Mostly Sunny | 1 to 5 mph NE | 1% |
| Sunday Night | 42°F | Partly Cloudy | 1 mph N | 3% |
| Monday | 71°F | Sunny | 1 to 5 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) for Harleyville (33.213, -80.448). Updated through the day.
Growing snapshot for Harleyville
Last spring frost
Mar 22
First fall frost
Nov 12
Growing season
237 days
Hardiness zone
8b
More local growing data for Harleyville: nearby ZIP 29448 weather · frost dates · planting calendar · South Carolina frost dates
Nearby towns & communities
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Climate data from the nearest NOAA station, Holly Hill 1 Sw, Sc (4.7 mi from Harleyville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.