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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
95°F
Sunny
Sunny, with a high near 95. Southwest wind around 3 mph. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Hartsville

WhenTempForecastWindPrecip
This Afternoon 95°F Sunny 3 mph SW 12%
Tonight 72°F Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 0 to 3 mph NW 60%
Saturday 90°F Mostly Sunny then Chance Showers And Thunderstorms 1 to 5 mph NE 46%
Saturday Night 71°F Chance Showers And Thunderstorms then Partly Cloudy 1 to 5 mph NE 39%
Sunday 90°F Mostly Sunny then Chance Showers And Thunderstorms 2 mph NE 26%
Sunday Night 71°F Chance Showers And Thunderstorms then Partly Cloudy 2 mph E 26%
Monday 91°F Mostly Sunny then Chance Showers And Thunderstorms 2 mph NE 38%
Monday Night 70°F Chance Showers And Thunderstorms 2 mph E 54%
Tuesday 86°F Showers And Thunderstorms Likely 1 to 6 mph NE 56%
Tuesday Night 68°F Showers And Thunderstorms Likely then Chance Showers And Thunderstorms 3 to 7 mph NE 56%
Wednesday 81°F Slight Chance Rain Showers then Chance Showers And Thunderstorms 7 to 12 mph NE 32%
Wednesday Night 64°F Chance Showers And Thunderstorms 6 to 10 mph NE 32%
Thursday 80°F Mostly Sunny 7 to 10 mph NE 11%
Thursday Night 62°F Slight Chance Rain Showers 3 to 9 mph NE 15%

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

All South Carolina locations ›

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 Sep 19, 2026.