Hartsville, SC Weather & Growing Conditions
Today
86°F
Patchy Fog then Chance Showers And Thunderstorms
Patchy fog and a chance of showers and thunderstorms before 11am, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 86. East wind 0 to 3 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Patchy Fog then Chance Showers And Thunderstorms | 0 to 3 mph E | 46% |
| Tonight | 72°F | Chance Showers And Thunderstorms | 2 mph SE | 53% |
| Wednesday | 88°F | Patchy Fog then Chance Showers And Thunderstorms | 0 to 6 mph S | 45% |
| Wednesday Night | 73°F | Chance Showers And Thunderstorms | 1 to 5 mph S | 38% |
| Thursday | 90°F | Partly Sunny then Showers And Thunderstorms Likely | 1 to 7 mph S | 63% |
| Thursday Night | 73°F | Slight Chance Showers And Thunderstorms | 0 to 3 mph S | 18% |
| Friday | 92°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 26% |
| Friday Night | 72°F | Partly Cloudy | 0 to 3 mph S | 7% |
| Saturday | 91°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph S | 28% |
| Saturday Night | 73°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 3 mph SW | 28% |
| Sunday | 92°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 3 mph SW | 39% |
| Sunday Night | 74°F | Chance Showers And Thunderstorms | 2 mph SW | 39% |
| Monday | 92°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph SW | 26% |
| Monday Night | 74°F | Chance Showers And Thunderstorms then Partly Cloudy | 3 mph SW | 26% |
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 Aug 4, 2026.