Blackville, SC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Blackville, a town in Barnwell County, South Carolina.
Tonight
71°F
Partly Cloudy then Patchy Fog
Patchy fog between 3am and 5am. Partly cloudy, with a low around 71. Northwest wind around 1 mph.
7-day forecast for Blackville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 71°F | Partly Cloudy then Patchy Fog | 1 mph NW | 12% |
| Saturday | 93°F | Patchy Fog then Chance Showers And Thunderstorms | 2 mph N | 40% |
| Saturday Night | 71°F | Chance Showers And Thunderstorms | 2 mph NE | 31% |
| Sunday | 90°F | Partly Sunny then Chance Showers And Thunderstorms | 1 mph NE | 35% |
| Sunday Night | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 1 mph NE | 35% |
| Monday | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 mph E | 43% |
| Monday Night | 71°F | Chance Showers And Thunderstorms | 2 mph E | 43% |
| Tuesday | 88°F | Showers And Thunderstorms Likely | 1 to 5 mph NE | 57% |
| Tuesday Night | 70°F | Showers And Thunderstorms Likely | 1 to 5 mph NE | 57% |
| Wednesday | 84°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 6 to 10 mph NE | 32% |
| Wednesday Night | 66°F | Chance Showers And Thunderstorms then Partly Cloudy | 6 to 10 mph NE | 32% |
| Thursday | 83°F | Mostly Sunny | 9 mph NE | 9% |
| Thursday Night | 65°F | Partly Cloudy | 3 to 8 mph NE | 9% |
| Friday | 82°F | Mostly Sunny | 5 to 8 mph NE | 9% |
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
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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 Sep 19, 2026.