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.
Today
91°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Heat index values as high as 101. South wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for St. George
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph S | 45% |
| Tonight | 71°F | Showers And Thunderstorms Likely | 0 to 5 mph S | 55% |
| Wednesday | 91°F | Chance Showers And Thunderstorms | 0 to 8 mph S | 38% |
| Wednesday Night | 72°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 8 mph S | 22% |
| Thursday | 92°F | Chance Showers And Thunderstorms | 0 to 6 mph S | 66% |
| Thursday Night | 72°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 0 to 5 mph SE | 66% |
| Friday | 93°F | Chance Showers And Thunderstorms | 0 to 7 mph SE | 54% |
| Friday Night | 72°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 6 mph E | 45% |
| Saturday | 92°F | Showers And Thunderstorms Likely | 0 to 6 mph SE | 55% |
| Saturday Night | 72°F | Showers And Thunderstorms Likely then Partly Cloudy | 0 to 5 mph E | 55% |
| Sunday | 93°F | Showers And Thunderstorms Likely | 2 mph SW | 55% |
| Sunday Night | 73°F | Showers And Thunderstorms Likely then Partly Cloudy | 2 mph S | 55% |
| Monday | 94°F | Chance Showers And Thunderstorms | 0 to 3 mph SW | 42% |
| Monday Night | 74°F | Chance Showers And Thunderstorms then Partly Cloudy | 3 mph SW | 42% |
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 Aug 4, 2026.