South Mountain, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for South Mountain, a town in Coryell County, Texas.
Today
99°F
Sunny
Sunny, with a high near 99. Heat index values as high as 99. South wind 5 to 10 mph.
7-day forecast for South Mountain
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 99°F | Sunny | 5 to 10 mph S | 0% |
| Tonight | 75°F | Clear | 5 to 10 mph S | 0% |
| Wednesday | 98°F | Sunny | 5 to 10 mph S | 0% |
| Wednesday Night | 74°F | Mostly Clear | 5 to 10 mph S | 0% |
| Thursday | 97°F | Sunny | 10 mph S | 0% |
| Thursday Night | 76°F | Mostly Clear | 5 to 10 mph SSE | 0% |
| Friday | 96°F | Sunny | 5 mph S | 2% |
| Friday Night | 75°F | Mostly Clear | 5 to 10 mph SSE | 5% |
| Saturday | 95°F | Sunny | 5 mph S | 4% |
| Saturday Night | 75°F | Mostly Clear | 5 to 10 mph SSE | 4% |
| Sunday | 95°F | Sunny | 5 to 10 mph S | 4% |
| Sunday Night | 74°F | Mostly Clear | 5 to 10 mph SSE | 4% |
| Monday | 95°F | Sunny | 5 to 10 mph S | 5% |
| Monday Night | 75°F | Mostly Clear | 10 mph S | 5% |
Forecast source: National Weather Service (api.weather.gov) for South Mountain (31.440, -97.679). Updated through the day.
Growing snapshot for South Mountain
Last spring frost
Mar 19
First fall frost
Nov 9
Growing season
236 days
Hardiness zone
8b
More local growing data for South Mountain: nearby ZIP 76597 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Gatesville, Tx (4.9 mi from South Mountain). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.