Hartsville, SC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hartsville, a city in Darlington County, South Carolina.
This Afternoon
81°F
Slight Chance Rain Showers
A slight chance of rain showers. Mostly cloudy, with a high near 81. Southeast wind around 7 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Hartsville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 81°F | Slight Chance Rain Showers | 7 mph SE | 21% |
| Tonight | 64°F | Mostly Cloudy then Chance Rain Showers | 5 mph SE | 26% |
| Thursday | 82°F | Patchy Fog then Chance Rain Showers | 2 to 7 mph S | 34% |
| Thursday Night | 65°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 2 mph S | 40% |
| Friday | 76°F | Showers And Thunderstorms | 1 to 5 mph SW | 93% |
| Friday Night | 54°F | Chance Rain Showers then Partly Cloudy | 0 to 5 mph NW | 47% |
| Saturday | 70°F | Sunny | 6 to 9 mph N | 0% |
| Saturday Night | 42°F | Mostly Clear | 5 mph N | 0% |
| Sunday | 67°F | Sunny | 3 mph N | 0% |
| Sunday Night | 42°F | Mostly Clear | 1 mph NW | 0% |
| Monday | 70°F | Sunny | 1 mph N | 2% |
| Monday Night | 42°F | Mostly Clear | 0 mph | 4% |
| Tuesday | 72°F | Sunny | 0 to 5 mph S | 7% |
| Tuesday Night | 45°F | Partly Cloudy | 2 mph NW | 7% |
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 5, 2026.