Fountain Inn, SC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fountain Inn, a city in Greenville County, South Carolina.
This Afternoon
94°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 5pm. Sunny, with a high near 94. North northeast wind around 2 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Fountain Inn
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 94°F | Slight Chance Showers And Thunderstorms | 2 mph NNE | 18% |
| Tonight | 70°F | Chance Showers And Thunderstorms | 3 mph N | 39% |
| Saturday | 89°F | Patchy Fog then Chance Showers And Thunderstorms | 6 mph NE | 36% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms | 2 to 6 mph NE | 48% |
| Sunday | 86°F | Patchy Fog then Chance Showers And Thunderstorms | 3 mph ESE | 34% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 mph W | 30% |
| Monday | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 3 mph SSW | 45% |
| Monday Night | 68°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 3 mph E | 63% |
| Tuesday | 80°F | Showers And Thunderstorms Likely | 3 to 7 mph NE | 65% |
| Tuesday Night | 65°F | Showers And Thunderstorms Likely | 7 to 10 mph NE | 65% |
| Wednesday | 75°F | Chance Rain Showers | 13 mph NE | 39% |
| Wednesday Night | 61°F | Chance Showers And Thunderstorms | 10 to 14 mph NE | 39% |
| Thursday | 75°F | Slight Chance Rain Showers then Partly Sunny | 12 mph NE | 17% |
| Thursday Night | 60°F | Partly Cloudy | 8 mph NE | 9% |
Forecast source: National Weather Service (api.weather.gov) for Fountain Inn (34.697, -82.202). Updated through the day.
Growing snapshot for Fountain Inn
Last spring frost
Mar 29
First fall frost
Nov 5
Growing season
222 days
Hardiness zone
8a
More local growing data for Fountain Inn: nearby ZIP 29644 weather · frost dates · planting calendar · South Carolina frost dates
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Climate data from the nearest NOAA station, Fountain Inn 2 Sw, Sc (1.9 mi from Fountain Inn). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.