St. Charles, SC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. Charles, a community in Lee County, South Carolina.
Tonight
57°F
Mostly Clear then Patchy Fog
Patchy fog after 5am. Mostly clear, with a low around 57. East wind 3 to 7 mph.
7-day forecast for St. Charles
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 57°F | Mostly Clear then Patchy Fog | 3 to 7 mph E | 0% |
| Wednesday | 83°F | Patchy Fog then Partly Sunny | 3 to 10 mph SE | 4% |
| Wednesday Night | 63°F | Mostly Cloudy then Slight Chance Light Rain | 1 to 7 mph SE | 24% |
| Thursday | 83°F | Slight Chance Light Rain then Chance Showers And Thunderstorms | 1 to 6 mph S | 40% |
| Thursday Night | 64°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 3 mph S | 40% |
| Friday | 80°F | Showers And Thunderstorms Likely | 2 to 6 mph SW | 72% |
| Friday Night | 54°F | Chance T-storms | 3 mph NW | 28% |
| Saturday | 76°F | Mostly Sunny | 6 mph N | 9% |
| Saturday Night | 47°F | Partly Cloudy | 5 mph N | 5% |
| Sunday | 71°F | Mostly Sunny | 5 mph N | 6% |
| Sunday Night | 44°F | Partly Cloudy | 3 mph W | 14% |
| Monday | 70°F | Sunny | 3 to 8 mph NW | 14% |
| Monday Night | 41°F | Slight Chance Light Rain | 5 mph W | 15% |
| Tuesday | 71°F | Sunny | 3 to 8 mph W | 4% |
Forecast source: National Weather Service (api.weather.gov) for St. Charles (34.081, -80.225). Updated through the day.
Growing snapshot for St. Charles
Last spring frost
Mar 19
First fall frost
Nov 15
Growing season
241 days
Hardiness zone
8b
More local growing data for St. Charles: nearby ZIP 29046 weather · frost dates · planting calendar · South Carolina frost dates
Nearby towns & communities
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Climate data from the nearest NOAA station, Elliott 0.8 Nw, Sc (0.6 mi from St. Charles). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.