Harman US

Hartsville, SC Weather & Growing Conditions

This Afternoon
89°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. Northeast wind around 7 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 89°F Slight Chance Showers And Thunderstorms 7 mph NE 17%
Tonight 69°F Slight Chance Showers And Thunderstorms then Patchy Fog 0 to 6 mph E 15%
Sunday 91°F Areas Of Fog then Mostly Sunny 3 mph E 4%
Sunday Night 71°F Mostly Clear 2 mph S 4%
Monday 92°F Mostly Sunny then Chance Showers And Thunderstorms 2 mph S 32%
Monday Night 70°F Chance Showers And Thunderstorms 2 mph E 46%
Tuesday 87°F Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 1 to 5 mph NE 68%
Tuesday Night 68°F Showers And Thunderstorms Likely then Chance Showers And Thunderstorms 2 to 8 mph NE 68%
Wednesday 81°F Chance Rain Showers 8 to 13 mph NE 28%
Wednesday Night 64°F Chance Showers And Thunderstorms 7 to 12 mph NE 25%
Thursday 79°F Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms 12 mph N 20%
Thursday Night 61°F Slight Chance Showers And Thunderstorms then Partly Cloudy 5 to 10 mph N 17%
Friday 80°F Mostly Sunny 7 mph N 8%
Friday Night 59°F Mostly Clear 2 to 6 mph NE 8%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Hartsville, SC

Last spring frost
Mar 30
First fall frost
Nov 6
Growing season
224 days
Hardiness zone
8b

Explore more for Hartsville, SC: full frost dates · planting calendar · South Carolina frost dates

Climate data from the nearest NOAA station, Hartsville, Sc (1.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.