Blenheim, SC Weather & Growing Conditions
Tonight
68°F
Mostly Clear
Mostly clear, with a low around 68. East wind 2 to 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 68°F | Mostly Clear | 2 to 6 mph E | 6% |
| Sunday | 90°F | Mostly Sunny | 5 mph E | 4% |
| Sunday Night | 70°F | Mostly Clear | 0 to 3 mph S | 3% |
| Monday | 92°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 3 mph S | 33% |
| Monday Night | 70°F | Chance Showers And Thunderstorms | 0 to 3 mph E | 48% |
| Tuesday | 87°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 2 to 6 mph NE | 67% |
| Tuesday Night | 67°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 5 to 10 mph NE | 67% |
| Wednesday | 80°F | Chance Rain Showers | 10 to 14 mph NE | 32% |
| Wednesday Night | 63°F | Chance Showers And Thunderstorms | 9 to 13 mph NE | 30% |
| Thursday | 79°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 14 mph N | 25% |
| Thursday Night | 60°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 6 to 12 mph N | 15% |
| Friday | 79°F | Sunny | 9 mph N | 8% |
| Friday Night | 58°F | Partly Cloudy | 3 to 7 mph NE | 8% |
| Saturday | 78°F | Mostly Sunny | 5 to 8 mph N | 10% |
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 Sep 20, 2026.