Blenheim, SC Weather & Growing Conditions
Today
85°F
Patchy Fog then Chance Showers And Thunderstorms
Patchy fog and a chance of showers and thunderstorms before 11am, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 85. East wind 1 to 5 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Patchy Fog then Chance Showers And Thunderstorms | 1 to 5 mph E | 50% |
| Tonight | 72°F | Chance Showers And Thunderstorms then Patchy Fog | 5 mph SE | 52% |
| Wednesday | 87°F | Chance Showers And Thunderstorms | 2 to 8 mph S | 46% |
| Wednesday Night | 72°F | Chance Showers And Thunderstorms | 2 to 7 mph S | 34% |
| Thursday | 90°F | Slight Chance Showers And Thunderstorms | 2 to 7 mph S | 64% |
| Thursday Night | 72°F | Slight Chance Showers And Thunderstorms | 1 to 5 mph S | 17% |
| Friday | 92°F | Chance Showers And Thunderstorms | 0 to 6 mph S | 26% |
| Friday Night | 72°F | Partly Cloudy | 0 to 5 mph S | 6% |
| Saturday | 91°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 6 mph S | 30% |
| Saturday Night | 72°F | Chance Showers And Thunderstorms then Partly Cloudy | 1 to 6 mph S | 30% |
| Sunday | 91°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 1 to 5 mph SW | 40% |
| Sunday Night | 73°F | Chance Showers And Thunderstorms | 5 mph SW | 40% |
| Monday | 92°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 6 mph SW | 26% |
| Monday Night | 74°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SW | 26% |
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 Aug 4, 2026.