Charleston, SC Weather & Growing Conditions
Overnight
76°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy, with a low around 76. North wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 76°F | Showers And Thunderstorms Likely | 5 mph N | 71% |
| Tuesday | 86°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 2 to 12 mph SE | 67% |
| Tuesday Night | 78°F | Chance Showers And Thunderstorms | 5 to 12 mph S | 48% |
| Wednesday | 86°F | Showers And Thunderstorms Likely then Partly Sunny | 3 to 13 mph S | 71% |
| Wednesday Night | 78°F | Chance Showers And Thunderstorms | 5 to 12 mph S | 48% |
| Thursday | 87°F | Chance Showers And Thunderstorms | 3 to 10 mph S | 52% |
| Thursday Night | 78°F | Slight Chance Showers And Thunderstorms | 3 to 9 mph S | 21% |
| Friday | 88°F | Chance Showers And Thunderstorms | 3 to 13 mph SE | 45% |
| Friday Night | 77°F | Chance Showers And Thunderstorms | 3 to 10 mph SE | 30% |
| Saturday | 88°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 3 to 10 mph SE | 62% |
| Saturday Night | 77°F | Chance Showers And Thunderstorms | 2 to 9 mph S | 32% |
| Sunday | 90°F | Chance Showers And Thunderstorms | 1 to 9 mph SW | 47% |
| Sunday Night | 78°F | Chance Showers And Thunderstorms | 3 to 9 mph SW | 34% |
| Monday | 91°F | Chance Showers And Thunderstorms | 2 to 10 mph SW | 35% |
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
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 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.