Blackville, SC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Blackville, a town in Barnwell County, South Carolina.
Overnight
60°F
Partly Cloudy
Partly cloudy, with a low around 60. East wind around 5 mph.
7-day forecast for Blackville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 60°F | Partly Cloudy | 5 mph E | 2% |
| Wednesday | 83°F | Patchy Fog then Partly Sunny | 5 to 12 mph SE | 4% |
| Wednesday Night | 64°F | Mostly Cloudy then Chance Light Rain | 1 to 8 mph SE | 32% |
| Thursday | 83°F | Slight Chance Light Rain then Chance Showers And Thunderstorms | 1 to 5 mph S | 33% |
| Thursday Night | 64°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 2 mph S | 42% |
| Friday | 80°F | Showers And Thunderstorms Likely | 2 to 6 mph SW | 56% |
| Friday Night | 53°F | Slight Chance Light Rain | 2 mph NW | 24% |
| Saturday | 77°F | Mostly Sunny | 3 mph N | 9% |
| Saturday Night | 47°F | Partly Cloudy | 2 mph N | 5% |
| Sunday | 73°F | Mostly Sunny | 3 mph N | 5% |
| Sunday Night | 44°F | Partly Cloudy | 3 mph NW | 11% |
| Monday | 71°F | Sunny then Slight Chance Light Rain | 6 mph NW | 15% |
| Monday Night | 40°F | Slight Chance Light Rain | 3 mph NW | 15% |
| Tuesday | 72°F | Sunny | 2 to 7 mph W | 3% |
Forecast source: National Weather Service (api.weather.gov) for Blackville (33.348, -81.295). Updated through the day.
Growing snapshot for Blackville
Last spring frost
Mar 20
First fall frost
Nov 13
Growing season
238 days
Hardiness zone
8b
More local growing data for Blackville: nearby ZIP 29817 weather · frost dates · planting calendar · South Carolina frost dates
Nearby towns & communities
All South Carolina locations ›
Climate data from the nearest NOAA station, Blackville 3 W, Sc (3.4 mi from Blackville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.