Charleston, SC Weather & Growing Conditions
This Afternoon
89°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Southeast wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 89°F | Chance Showers And Thunderstorms | 5 mph SE | 44% |
| Tonight | 74°F | Chance Showers And Thunderstorms | 1 to 5 mph E | 37% |
| Sunday | 86°F | Chance Showers And Thunderstorms | 2 to 6 mph NE | 42% |
| Sunday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph E | 16% |
| Monday | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 7 mph E | 16% |
| Monday Night | 74°F | Slight Chance Showers And Thunderstorms | 1 to 6 mph E | 26% |
| Tuesday | 86°F | Showers And Thunderstorms Likely | 2 to 8 mph NE | 70% |
| Tuesday Night | 72°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 3 to 7 mph NE | 70% |
| Wednesday | 84°F | Chance Showers And Thunderstorms | 8 to 14 mph NE | 47% |
| Wednesday Night | 69°F | Chance Showers And Thunderstorms then Partly Cloudy | 13 mph NE | 47% |
| Thursday | 82°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 14 mph N | 24% |
| Thursday Night | 67°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 8 to 13 mph N | 24% |
| Friday | 81°F | Sunny | 12 mph N | 9% |
| Friday Night | 66°F | Partly Cloudy | 5 to 8 mph NE | 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 (11.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.