Marion, SC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Marion, a city in Marion County, South Carolina.
Tonight
71°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 8pm and 10pm, then showers and thunderstorms likely between 10pm and midnight, then a chance of showers and thunderstorms between midnight and 2am. Partly cloudy, with a low around 71. Northwest wind around 2 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Marion
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 71°F | Chance Showers And Thunderstorms | 2 mph NW | 49% |
| Saturday | 89°F | Patchy Fog then Chance Showers And Thunderstorms | 0 to 5 mph NE | 57% |
| Saturday Night | 70°F | Chance Showers And Thunderstorms | 0 to 5 mph NE | 54% |
| Sunday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 mph NE | 38% |
| Sunday Night | 70°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 mph SE | 38% |
| Monday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 mph SE | 37% |
| Monday Night | 70°F | Chance Showers And Thunderstorms | 2 mph E | 37% |
| Tuesday | 86°F | Chance Rain Showers then Chance Showers And Thunderstorms | 1 to 5 mph NE | 53% |
| Tuesday Night | 68°F | Chance Showers And Thunderstorms | 3 to 7 mph NE | 53% |
| Wednesday | 82°F | Partly Sunny then Chance Showers And Thunderstorms | 10 mph NE | 35% |
| Wednesday Night | 65°F | Chance Showers And Thunderstorms then Mostly Cloudy | 7 to 10 mph NE | 35% |
| Thursday | 81°F | Partly Sunny | 10 mph NE | 14% |
| Thursday Night | 62°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 to 9 mph NE | 15% |
| Friday | 80°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 9 mph N | 15% |
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 Sep 19, 2026.