Leon Valley, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Leon Valley, a city in Bexar County, Texas.
Today
96°F
Sunny
Sunny, with a high near 96. Heat index values as high as 102. South southeast wind around 5 mph.
7-day forecast for Leon Valley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 96°F | Sunny | 5 mph SSE | 1% |
| Tonight | 75°F | Mostly Clear | 5 mph SE | 1% |
| Sunday | 97°F | Mostly Sunny | 0 to 5 mph S | 0% |
| Sunday Night | 76°F | Partly Cloudy | 5 mph SE | 7% |
| Monday | 97°F | Sunny | 0 to 5 mph SE | 8% |
| Monday Night | 76°F | Mostly Clear | 0 to 5 mph SE | 10% |
| Tuesday | 96°F | Sunny | 0 to 10 mph ENE | 12% |
| Tuesday Night | 76°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph E | 20% |
| Wednesday | 96°F | Slight Chance Rain Showers then Mostly Sunny | 5 to 10 mph ENE | 20% |
| Wednesday Night | 76°F | Partly Cloudy | 5 to 10 mph E | 12% |
| Thursday | 96°F | Mostly Sunny | 5 to 10 mph ENE | 10% |
| Thursday Night | 75°F | Partly Cloudy | 5 to 10 mph E | 5% |
| Friday | 95°F | Mostly Sunny | 5 to 10 mph ENE | 5% |
| Friday Night | 75°F | Partly Cloudy | 5 to 10 mph E | 4% |
Forecast source: National Weather Service (api.weather.gov) for Leon Valley (29.495, -98.614). Updated through the day.
Growing snapshot for Leon Valley
Last spring frost
Feb 18
First fall frost
Dec 9
Growing season
296 days
Hardiness zone
9a
More local growing data for Leon Valley: nearby ZIP 78238 weather · frost dates · planting calendar · Texas frost dates
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Windcrest
Climate data from the nearest NOAA station, San Antonio/Seaworld, Tx (5.3 mi from Leon Valley). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.