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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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.