Glenn Springs, SC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Glenn Springs, a community in Spartanburg County, South Carolina.
Today
83°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1pm, then showers and thunderstorms between 1pm and 3pm, then showers and thunderstorms likely. Partly sunny, with a high near 83. Northeast wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Glenn Springs
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Chance Showers And Thunderstorms | 5 mph NE | 84% |
| Tonight | 68°F | Chance Showers And Thunderstorms | 0 to 3 mph NE | 58% |
| Wednesday | 84°F | Showers And Thunderstorms | 0 to 5 mph SE | 79% |
| Wednesday Night | 69°F | Showers And Thunderstorms Likely | 2 mph SSE | 66% |
| Thursday | 86°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 6 mph W | 53% |
| Thursday Night | 69°F | Chance Showers And Thunderstorms | 0 to 3 mph SSW | 49% |
| Friday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SSW | 33% |
| Friday Night | 69°F | Chance Showers And Thunderstorms | 2 mph WSW | 38% |
| Saturday | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 3 mph WSW | 29% |
| Saturday Night | 70°F | Chance Showers And Thunderstorms | 2 mph W | 29% |
| Sunday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 3 mph WSW | 28% |
| Sunday Night | 71°F | Chance Showers And Thunderstorms | 2 mph WNW | 28% |
| Monday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 20% |
| Monday Night | 71°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 2 mph W | 20% |
Forecast source: National Weather Service (api.weather.gov) for Glenn Springs (34.812, -81.850). Updated through the day.
Growing snapshot for Glenn Springs
Last spring frost
Apr 8
First fall frost
Nov 1
Growing season
206 days
Hardiness zone
8a
More local growing data for Glenn Springs: nearby ZIP 29374 weather · frost dates · planting calendar · South Carolina frost dates
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Climate data from the nearest NOAA station, Spartanburg 3 Sse, Sc (9.1 mi from Glenn Springs). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.