Blenheim, SC Weather & Growing Conditions
Today
81°F
Mostly Sunny
Mostly sunny, with a high near 81. Southeast wind around 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Mostly Sunny | 8 mph SE | 10% |
| Tonight | 63°F | Mostly Cloudy then Patchy Fog | 1 to 6 mph SE | 8% |
| Thursday | 82°F | Patchy Fog then Slight Chance Rain Showers | 2 to 7 mph S | 21% |
| Thursday Night | 64°F | Slight Chance Rain Showers | 3 mph S | 23% |
| Friday | 77°F | Showers And Thunderstorms | 3 to 7 mph SW | 90% |
| Friday Night | 54°F | Rain Showers Likely then Partly Cloudy | 5 mph NW | 71% |
| Saturday | 72°F | Sunny | 7 mph N | 2% |
| Saturday Night | 42°F | Mostly Clear | 5 mph N | 2% |
| Sunday | 68°F | Sunny | 3 mph N | 0% |
| Sunday Night | 40°F | Mostly Clear | 2 mph NW | 3% |
| Monday | 69°F | Sunny | 5 mph NW | 2% |
| Monday Night | 38°F | Mostly Clear | 2 mph NW | 2% |
| Tuesday | 70°F | Sunny | 0 to 5 mph W | 2% |
| Tuesday Night | 41°F | Mostly Clear | 0 to 3 mph W | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Blenheim, SC
Last spring frost
Mar 22
First fall frost
Nov 10
Growing season
235 days
Hardiness zone
8b
Explore more for Blenheim, SC: full frost dates · planting calendar · South Carolina frost dates
Climate data from the nearest NOAA station, Florence 8 Ne, Sc (12.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.