Hartsville, SC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hartsville, a city in Darlington County, South Carolina.
Today
81°F
Areas Of Fog then Partly Sunny
Areas of fog before 9am. Partly sunny, with a high near 81. Southeast wind 2 to 7 mph.
7-day forecast for Hartsville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Areas Of Fog then Partly Sunny | 2 to 7 mph SE | 11% |
| Tonight | 64°F | Mostly Cloudy then Slight Chance Rain Showers | 0 to 5 mph SE | 15% |
| Thursday | 81°F | Patchy Fog | 0 to 6 mph S | 22% |
| Thursday Night | 65°F | Mostly Cloudy then Chance Rain Showers | 3 mph S | 33% |
| Friday | 77°F | Showers And Thunderstorms | 3 to 7 mph SW | 81% |
| Friday Night | 54°F | Chance Rain Showers then Partly Cloudy | 5 mph NW | 44% |
| Saturday | 72°F | Sunny | 7 mph N | 2% |
| Saturday Night | 44°F | Mostly Clear | 3 mph N | 1% |
| Sunday | 68°F | Sunny | 3 mph N | 1% |
| Sunday Night | 42°F | Mostly Clear | 1 mph N | 3% |
| Monday | 68°F | Sunny | 3 mph N | 1% |
| Monday Night | 40°F | Mostly Clear | 1 mph NW | 2% |
| Tuesday | 70°F | Sunny | 0 to 5 mph W | 2% |
| Tuesday Night | 43°F | Mostly Clear | 2 mph NW | 4% |
Forecast source: National Weather Service (api.weather.gov) for Hartsville (34.366, -80.083). Updated through the day.
Growing snapshot for Hartsville
Last spring frost
Mar 30
First fall frost
Nov 6
Growing season
224 days
Hardiness zone
8b
More local growing data for Hartsville: nearby ZIP 29550 weather · frost dates · planting calendar · South Carolina frost dates
Nearby towns & communities
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Climate data from the nearest NOAA station, Hartsville, Sc (1.6 mi from Hartsville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.