Cross Mountain, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cross Mountain, a community in Bexar County, Texas.
This Afternoon
79°F
Sunny
Sunny. High near 79, with temperatures falling to around 73 in the afternoon. North wind 5 to 10 mph, with gusts as high as 20 mph.
7-day forecast for Cross Mountain
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 79°F | Sunny | 5 to 10 mph N | 0% |
| Tonight | 48°F | Mostly Clear | 5 mph N | 0% |
| Wednesday | 73°F | Sunny | 0 to 5 mph NE | 0% |
| Wednesday Night | 49°F | Mostly Clear | 0 to 5 mph SE | 0% |
| Thursday | 78°F | Mostly Sunny | 0 to 5 mph SW | 2% |
| Thursday Night | 53°F | Partly Cloudy | 0 to 20 mph NNW | 2% |
| Friday | 72°F | Sunny | 5 to 20 mph N | 0% |
| Friday Night | 49°F | Partly Cloudy | 5 to 10 mph NNE | 3% |
| Saturday | 67°F | Slight Chance Rain Showers | 5 to 10 mph NNE | 21% |
| Saturday Night | 47°F | Mostly Cloudy | 5 to 10 mph N | 13% |
| Sunday | 68°F | Mostly Sunny | 5 to 10 mph NNE | 8% |
| Sunday Night | 46°F | Mostly Clear | 0 to 5 mph N | 5% |
| Monday | 69°F | Sunny | 0 to 5 mph ENE | 4% |
| Monday Night | 47°F | Mostly Clear | 0 mph | 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
Nearby towns & communities
Alamo Heights
Balcones Heights
Castle Hills
China Grove
Converse
Elmendorf
Grey Forest
Helotes
Hill Country Village
Hollywood Park
Kirby
Lackland AFB
Leon Valley
Live Oak
Macdona
Olmos Park
Randolph AFB
San Antonio
Sandy Oaks
Schertz
Selma
Shavano Park
Somerset
St. Hedwig
Terrell Hills
Timberwood Park
Universal City
Von Ormy
Windcrest
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 Nov 4, 2026.