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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.

Overnight
72°F
Partly Cloudy
Partly cloudy, with a low around 72. South southeast wind 0 to 5 mph.

7-day forecast for Cross Mountain

WhenTempForecastWindPrecip
Overnight 72°F Partly Cloudy 0 to 5 mph SSE 0%
Saturday 94°F Sunny 0 to 5 mph SSE 1%
Saturday Night 72°F Mostly Clear 5 mph SSE 1%
Sunday 95°F Mostly Sunny 5 mph SSE 1%
Sunday Night 72°F Partly Cloudy 0 to 5 mph SSE 12%
Monday 95°F Mostly Sunny 0 to 5 mph SE 12%
Monday Night 72°F Mostly Clear 0 to 5 mph SE 11%
Tuesday 95°F Sunny 0 to 5 mph NE 13%
Tuesday Night 73°F Slight Chance Showers And Thunderstorms 0 to 10 mph E 15%
Wednesday 95°F Mostly Sunny 0 to 10 mph ENE 14%
Wednesday Night 73°F Partly Cloudy 0 to 5 mph E 9%
Thursday 94°F Mostly Sunny 5 to 10 mph ENE 8%
Thursday Night 72°F Partly Cloudy 5 to 10 mph E 8%
Friday 94°F Mostly Sunny 5 to 10 mph ENE 7%

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.