Plum Branch, SC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Plum Branch, a town in Mccormick County, South Carolina.
Today
89°F
Chance Showers And Thunderstorms
A chance of rain showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then showers and thunderstorms likely. Partly sunny, with a high near 89. East wind around 3 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Plum Branch
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 89°F | Chance Showers And Thunderstorms | 3 mph E | 72% |
| Tonight | 70°F | Showers And Thunderstorms Likely | 2 mph NE | 56% |
| Wednesday | 89°F | Chance Showers And Thunderstorms | 0 to 3 mph S | 74% |
| Wednesday Night | 71°F | Chance Showers And Thunderstorms | 2 mph S | 37% |
| Thursday | 91°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 3 mph S | 48% |
| Thursday Night | 71°F | Chance Showers And Thunderstorms | 2 mph S | 48% |
| Friday | 92°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 2 mph E | 31% |
| Friday Night | 71°F | Chance Showers And Thunderstorms | 2 mph SE | 31% |
| Saturday | 93°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 mph S | 25% |
| Saturday Night | 72°F | Chance Showers And Thunderstorms | 2 mph SE | 25% |
| Sunday | 93°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 2 mph W | 39% |
| Sunday Night | 72°F | Chance Showers And Thunderstorms | 1 mph W | 39% |
| Monday | 93°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 mph W | 27% |
| Monday Night | 73°F | Chance Showers And Thunderstorms | 1 mph W | 27% |
Forecast source: National Weather Service (api.weather.gov) for Plum Branch (33.849, -82.264). Updated through the day.
Growing snapshot for Plum Branch
Last spring frost
Mar 28
First fall frost
Nov 7
Growing season
226 days
Hardiness zone
8b
More local growing data for Plum Branch: nearby ZIP 29845 weather · frost dates · planting calendar · South Carolina frost dates
Nearby towns & communities
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Climate data from the nearest NOAA station, Mccormick, Sc (7.4 mi from Plum Branch). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.