Marion, SC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Marion, a city in Marion County, South Carolina.
Overnight
72°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Wind around 0 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Marion
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 72°F | Chance Showers And Thunderstorms | 0 mph | 36% |
| Tuesday | 86°F | Chance Showers And Thunderstorms | 1 to 5 mph E | 48% |
| Tuesday Night | 72°F | Chance Showers And Thunderstorms then Partly Cloudy | 1 to 5 mph SE | 47% |
| Wednesday | 88°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 2 to 8 mph S | 48% |
| Wednesday Night | 73°F | Chance Showers And Thunderstorms then Partly Cloudy | 1 to 6 mph S | 27% |
| Thursday | 90°F | Chance Showers And Thunderstorms | 1 to 7 mph S | 53% |
| Thursday Night | 73°F | Partly Cloudy | 0 to 5 mph S | 5% |
| Friday | 92°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 26% |
| Friday Night | 72°F | Partly Cloudy | 0 to 5 mph S | 6% |
| Saturday | 90°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 6 mph SE | 36% |
| Saturday Night | 72°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph S | 36% |
| Sunday | 91°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 3 mph SW | 45% |
| Sunday Night | 73°F | Chance Showers And Thunderstorms then Partly Cloudy | 3 mph SW | 45% |
| Monday | 92°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph SW | 27% |
Forecast source: National Weather Service (api.weather.gov) for Marion (34.179, -79.396). Updated through the day.
Growing snapshot for Marion
Last spring frost
Mar 22
First fall frost
Nov 11
Growing season
234 days
Hardiness zone
8b
More local growing data for Marion: nearby ZIP 29571 weather · frost dates · planting calendar · South Carolina frost dates
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Climate data from the nearest NOAA station, Marion, Sc (3 mi from Marion). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.