Mountain City, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mountain City, a city in Hays County, Texas.
Today
98°F
Sunny
Sunny, with a high near 98. Heat index values as high as 104. South wind 5 to 10 mph.
7-day forecast for Mountain City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 98°F | Sunny | 5 to 10 mph S | 3% |
| Tonight | 75°F | Mostly Clear | 5 to 10 mph S | 3% |
| Wednesday | 97°F | Mostly Sunny | 5 to 10 mph S | 2% |
| Wednesday Night | 75°F | Mostly Clear | 5 to 10 mph SSE | 2% |
| Thursday | 97°F | Mostly Sunny | 5 mph S | 3% |
| Thursday Night | 75°F | Mostly Clear | 5 to 10 mph SSE | 3% |
| Friday | 96°F | Mostly Sunny | 5 mph S | 8% |
| Friday Night | 75°F | Mostly Clear | 5 to 10 mph SSE | 8% |
| Saturday | 95°F | Mostly Sunny | 0 to 5 mph SSE | 4% |
| Saturday Night | 75°F | Mostly Clear | 5 mph S | 4% |
| Sunday | 95°F | Sunny | 5 to 10 mph S | 6% |
| Sunday Night | 75°F | Mostly Clear | 5 to 10 mph SSE | 6% |
| Monday | 95°F | Mostly Sunny | 5 to 10 mph S | 5% |
| Monday Night | 75°F | Mostly Clear | 5 to 10 mph S | 5% |
Forecast source: National Weather Service (api.weather.gov) for Mountain City (30.039, -97.892). Updated through the day.
Growing snapshot for Mountain City
Last spring frost
Mar 10
First fall frost
Nov 17
Growing season
252 days
Hardiness zone
9a
More local growing data for Mountain City: nearby ZIP 78610 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Bear Creek
Belterra
Buda
Driftwood
Dripping Springs
Kyle
Niederwald
San Marcos
Uhland
Wimberley
Woodcreek
Climate data from the nearest NOAA station, Austin 6S, Tx (11.9 mi from Mountain City). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.