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.
This Afternoon
98°F
Sunny
Sunny, with a high near 98. Heat index values as high as 102. West wind around 1 mph.
7-day forecast for Plum Branch
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 98°F | Sunny | 1 mph W | 4% |
| Tonight | 71°F | Slight Chance Showers And Thunderstorms | 1 mph W | 23% |
| Saturday | 94°F | Mostly Sunny then Chance Showers And Thunderstorms | 3 mph NE | 28% |
| Saturday Night | 70°F | Chance Showers And Thunderstorms | 3 mph NE | 46% |
| Sunday | 91°F | Partly Sunny then Chance Showers And Thunderstorms | 2 mph NE | 25% |
| Sunday Night | 70°F | Chance Showers And Thunderstorms then Partly Cloudy | 1 mph N | 25% |
| Monday | 93°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 mph SE | 45% |
| Monday Night | 69°F | Chance Showers And Thunderstorms | 2 mph E | 52% |
| Tuesday | 88°F | Showers And Thunderstorms Likely | 1 to 5 mph NE | 56% |
| Tuesday Night | 68°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 5 mph NE | 56% |
| Wednesday | 83°F | Chance Showers And Thunderstorms | 5 to 9 mph NE | 31% |
| Wednesday Night | 64°F | Chance Showers And Thunderstorms then Partly Cloudy | 6 to 9 mph NE | 31% |
| Thursday | 82°F | Mostly Sunny | 7 mph NE | 9% |
| Thursday Night | 63°F | Partly Cloudy | 6 mph NE | 8% |
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 Sep 18, 2026.