Charleston, SC Weather & Growing Conditions
This Afternoon
91°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly sunny, with a high near 91. East wind around 3 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 91°F | Chance Showers And Thunderstorms | 3 mph E | 42% |
| Tonight | 73°F | Chance Showers And Thunderstorms | 3 mph NE | 29% |
| Sunday | 87°F | Chance Showers And Thunderstorms | 5 mph NE | 40% |
| Sunday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 3 mph E | 15% |
| Monday | 89°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 0 to 6 mph E | 22% |
| Monday Night | 73°F | Slight Chance Showers And Thunderstorms | 1 to 5 mph E | 25% |
| Tuesday | 87°F | Showers And Thunderstorms Likely | 2 to 6 mph NE | 72% |
| Tuesday Night | 71°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 2 to 7 mph NE | 72% |
| Wednesday | 85°F | Chance Showers And Thunderstorms | 10 mph NE | 46% |
| Wednesday Night | 67°F | Chance Showers And Thunderstorms then Mostly Cloudy | 10 mph N | 46% |
| Thursday | 83°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 12 mph N | 18% |
| Thursday Night | 66°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 7 to 10 mph N | 18% |
| Friday | 82°F | Mostly Sunny | 9 mph N | 10% |
| Friday Night | 65°F | Partly Cloudy | 3 to 7 mph N | 10% |
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 (9.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.