Hartsville, SC Weather & Growing Conditions
Overnight
72°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms before 1am, then patchy fog. Mostly cloudy, with a low around 72. Wind around 0 mph. Chance of precipitation is 20%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 72°F | Slight Chance Showers And Thunderstorms | 0 mph | 16% |
| Saturday | 90°F | Patchy Fog 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 | 40% |
| Sunday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 mph E | 26% |
| Sunday Night | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 mph SE | 26% |
| Monday | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 mph NE | 39% |
| Monday Night | 70°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 2 mph E | 55% |
| Tuesday | 86°F | Showers And Thunderstorms Likely | 1 to 6 mph NE | 55% |
| Tuesday Night | 68°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 3 to 7 mph NE | 55% |
| 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 12 mph NE | 32% |
| Thursday | 81°F | Mostly Sunny | 10 mph NE | 11% |
| Thursday Night | 62°F | Slight Chance Rain Showers | 3 to 9 mph NE | 15% |
| Friday | 80°F | Mostly Sunny | 6 to 9 mph N | 9% |
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.