Charleston, SC Weather & Growing Conditions
Today
81°F
Mostly Sunny
Mostly sunny, with a high near 81. Southeast wind 6 to 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Mostly Sunny | 6 to 9 mph SE | 3% |
| Tonight | 66°F | Mostly Cloudy then Patchy Fog | 0 to 3 mph SE | 4% |
| Thursday | 83°F | Patchy Fog then Mostly Sunny | 0 to 6 mph S | 5% |
| Thursday Night | 66°F | Partly Cloudy | 3 mph S | 2% |
| Friday | 81°F | Chance Rain Showers | 2 to 7 mph SW | 52% |
| Friday Night | 59°F | Chance Rain Showers then Partly Cloudy | 3 mph W | 52% |
| Saturday | 76°F | Sunny | 5 mph N | 2% |
| Saturday Night | 51°F | Partly Cloudy | 5 mph NE | 2% |
| Sunday | 71°F | Mostly Sunny | 1 to 5 mph NE | 2% |
| Sunday Night | 48°F | Partly Cloudy | 2 mph N | 3% |
| Monday | 70°F | Mostly Sunny | 5 mph N | 4% |
| Monday Night | 46°F | Mostly Clear then Slight Chance Rain Showers | 2 mph N | 15% |
| Tuesday | 71°F | Slight Chance Rain Showers then Sunny | 3 mph W | 15% |
| Tuesday Night | 48°F | Mostly Clear | 2 mph W | 8% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Charleston, SC
Last spring frost
Mar 7
First fall frost
Nov 27
Growing season
266 days
Hardiness zone
9a
Explore more for Charleston, SC: full frost dates · planting calendar · South Carolina frost dates
Climate data from the nearest NOAA station, Charleston Intl Ap, Sc (5.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.