Great Falls, SC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Great Falls, a town in Chester County, South Carolina.
This Afternoon
96°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 96. Heat index values as high as 100. Wind around 0 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Great Falls
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 96°F | Slight Chance Showers And Thunderstorms | 0 mph | 21% |
| Tonight | 70°F | Showers And Thunderstorms Likely | 1 mph N | 55% |
| Saturday | 91°F | Patchy Fog then Chance Showers And Thunderstorms | 0 to 5 mph NE | 31% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms | 0 to 5 mph NE | 26% |
| 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 | 1 mph SE | 42% |
| Monday Night | 69°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 1 mph E | 67% |
| Tuesday | 85°F | Showers And Thunderstorms Likely | 0 to 5 mph NE | 62% |
| Tuesday Night | 67°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 2 to 6 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 NE | 10% |
| Thursday Night | 61°F | Partly Cloudy | 2 to 7 mph NE | 10% |
Forecast source: National Weather Service (api.weather.gov) for Great Falls (34.572, -80.905). Updated through the day.
Growing snapshot for Great Falls
Last spring frost
Mar 31
First fall frost
Nov 6
Growing season
221 days
Hardiness zone
8a
More local growing data for Great Falls: nearby ZIP 29055 weather · frost dates · planting calendar · South Carolina frost dates
Nearby towns & communities
All South Carolina locations ›
Climate data from the nearest NOAA station, Winnsboro, Sc (17 mi from Great Falls). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.