Cross Mountain, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cross Mountain, a community in Bexar County, Texas.
Today
94°F
Mostly Sunny
Mostly sunny, with a high near 94. South southeast wind 5 to 10 mph.
7-day forecast for Cross Mountain
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 94°F | Mostly Sunny | 5 to 10 mph SSE | 5% |
| Tonight | 74°F | Mostly Clear | 5 to 10 mph SSE | 5% |
| Wednesday | 95°F | Mostly Sunny | 5 to 10 mph SSE | 1% |
| Wednesday Night | 74°F | Mostly Clear | 5 to 10 mph SSE | 1% |
| Thursday | 95°F | Sunny | 5 mph SSE | 3% |
| Thursday Night | 73°F | Partly Cloudy | 5 to 10 mph SSE | 3% |
| Friday | 94°F | Mostly Sunny | 5 mph SSE | 1% |
| Friday Night | 74°F | Mostly Clear | 0 to 10 mph SE | 3% |
| Saturday | 92°F | Sunny | 0 to 5 mph SSE | 3% |
| Saturday Night | 74°F | Mostly Clear | 5 mph SE | 3% |
| Sunday | 92°F | Sunny | 0 to 5 mph SSE | 3% |
| Sunday Night | 74°F | Mostly Clear | 5 to 10 mph SSE | 3% |
| Monday | 93°F | Mostly Sunny | 5 to 10 mph SSE | 4% |
| Monday Night | 74°F | Mostly Clear | 5 to 10 mph SSE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Cross Mountain (29.649, -98.666). Updated through the day.
Growing snapshot for Cross Mountain
Last spring frost
Mar 15
First fall frost
Nov 13
Growing season
243 days
Hardiness zone
8b
More local growing data for Cross Mountain: nearby ZIP 78255 weather · frost dates · planting calendar · Texas frost dates
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Climate data from the nearest NOAA station, Boerne, Tx (11.1 mi from Cross Mountain). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.