Charleston, SC Weather & Growing Conditions
Today
81°F
Mostly Sunny
Mostly sunny, with a high near 81. East wind 6 to 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Mostly Sunny | 6 to 9 mph E | 4% |
| Tonight | 67°F | Mostly Cloudy | 1 to 5 mph SE | 4% |
| Thursday | 82°F | Patchy Fog then Mostly Sunny | 1 to 7 mph S | 5% |
| Thursday Night | 67°F | Partly Cloudy | 3 mph S | 1% |
| Friday | 80°F | Chance Rain Showers | 2 to 8 mph SW | 45% |
| Friday Night | 60°F | Chance Rain Showers then Partly Cloudy | 5 mph W | 45% |
| Saturday | 75°F | Sunny | 6 mph N | 2% |
| Saturday Night | 52°F | Partly Cloudy | 2 to 6 mph NE | 1% |
| Sunday | 71°F | Mostly Sunny | 6 mph NE | 1% |
| Sunday Night | 49°F | Partly Cloudy | 3 mph N | 4% |
| Monday | 70°F | Mostly Sunny | 6 mph N | 4% |
| Monday Night | 48°F | Mostly Clear then Slight Chance Rain Showers | 3 mph N | 15% |
| Tuesday | 71°F | Slight Chance Rain Showers then Sunny | 5 mph S | 15% |
| Tuesday Night | 50°F | Partly Cloudy | 3 mph W | 9% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Charleston, SC
Last spring frost
Feb 4
First fall frost
Dec 30
Growing season
321 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 City, Sc (1.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.