St. George, SC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. George, a town in Dorchester County, South Carolina.
Tonight
70°F
Partly Cloudy then Slight Chance Rain Showers
A slight chance of rain showers between 2am and 3am. Partly cloudy, with a low around 70. Southwest wind around 2 mph. Chance of precipitation is 20%.
7-day forecast for St. George
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 70°F | Partly Cloudy then Slight Chance Rain Showers | 2 mph SW | 15% |
| Saturday | 93°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 mph NE | 41% |
| Saturday Night | 71°F | Chance Showers And Thunderstorms | 2 mph E | 35% |
| Sunday | 90°F | Chance Showers And Thunderstorms | 2 mph NE | 48% |
| Sunday Night | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 1 mph SE | 48% |
| Monday | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph E | 39% |
| Monday Night | 71°F | Chance Showers And Thunderstorms | 0 to 5 mph E | 39% |
| Tuesday | 89°F | Showers And Thunderstorms Likely | 0 to 5 mph NE | 61% |
| Tuesday Night | 69°F | Showers And Thunderstorms Likely | 1 to 5 mph NE | 61% |
| Wednesday | 85°F | Chance Rain Showers then Chance Showers And Thunderstorms | 6 to 10 mph NE | 38% |
| Wednesday Night | 66°F | Chance Showers And Thunderstorms then Mostly Cloudy | 6 to 10 mph NE | 38% |
| Thursday | 84°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 10 mph NE | 16% |
| Thursday Night | 65°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 to 9 mph NE | 16% |
| Friday | 83°F | Mostly Sunny | 6 to 9 mph NE | 13% |
Forecast source: National Weather Service (api.weather.gov) for St. George (33.186, -80.579). Updated through the day.
Growing snapshot for St. George
Last spring frost
Mar 22
First fall frost
Nov 12
Growing season
237 days
Hardiness zone
8b
More local growing data for St. George: nearby ZIP 29477 weather · frost dates · planting calendar · South Carolina frost dates
Nearby towns & communities
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Climate data from the nearest NOAA station, Holly Hill 1 Sw, Sc (13.6 mi from St. George). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.