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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
Sunny
Sunny, with a high near 94. South southeast wind around 5 mph.

7-day forecast for Cross Mountain

WhenTempForecastWindPrecip
Today 94°F Sunny 5 mph SSE 2%
Tonight 72°F Partly Cloudy 5 mph S 1%
Sunday 95°F Mostly Sunny 0 to 5 mph S 1%
Sunday Night 73°F Partly Cloudy 5 mph SSE 12%
Monday 95°F Sunny 0 to 5 mph SE 10%
Monday Night 73°F Mostly Clear 0 to 5 mph SSE 10%
Tuesday 94°F Sunny 0 to 10 mph ENE 14%
Tuesday Night 72°F Partly Cloudy then Slight Chance Rain Showers 0 to 5 mph E 19%
Wednesday 94°F Slight Chance Rain Showers then Mostly Sunny 5 to 10 mph ENE 19%
Wednesday Night 72°F Partly Cloudy 0 to 10 mph ESE 10%
Thursday 94°F Mostly Sunny 0 to 10 mph ENE 9%
Thursday Night 71°F Partly Cloudy 5 mph ESE 5%
Friday 93°F Mostly Sunny 5 to 10 mph ENE 5%
Friday Night 71°F Partly Cloudy 5 mph E 3%

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 Sep 19, 2026.