Great Falls, SC Weather & Growing Conditions
Tonight
70°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 4am. Mostly cloudy, with a low around 70. North wind around 1 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 70°F | Chance Showers And Thunderstorms | 1 mph N | 49% |
| Saturday | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph NNE | 27% |
| Saturday Night | 69°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 22% |
| Sunday | 89°F | Patchy Fog then Slight Chance Showers And Thunderstorms | 1 mph NE | 17% |
| Sunday Night | 69°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 15% |
| Monday | 92°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 mph ESE | 42% |
| Monday Night | 69°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 1 mph ENE | 67% |
| Tuesday | 85°F | Showers And Thunderstorms Likely | 0 to 5 mph NE | 62% |
| Tuesday Night | 66°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 3 to 7 mph NE | 62% |
| Wednesday | 79°F | Chance Rain Showers | 7 to 12 mph NE | 35% |
| Wednesday Night | 63°F | Chance Showers And Thunderstorms | 5 to 12 mph NE | 35% |
| Thursday | 79°F | Partly Sunny | 9 mph NNE | 10% |
| Thursday Night | 61°F | Partly Cloudy | 2 to 8 mph NNE | 10% |
| Friday | 80°F | Mostly Sunny | 5 to 8 mph NNE | 9% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Great Falls, SC
Last spring frost
Mar 31
First fall frost
Nov 6
Growing season
221 days
Hardiness zone
8a
Explore more for Great Falls, SC: full frost dates · planting calendar · South Carolina frost dates
Climate data from the nearest NOAA station, Winnsboro, Sc (17 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.