Box Canyon, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Box Canyon, a community in Val Verde County, Texas.
Today
99°F
Sunny
Sunny, with a high near 99. Heat index values as high as 104. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
7-day forecast for Box Canyon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 99°F | Sunny | 10 to 15 mph SE | 1% |
| Tonight | 78°F | Mostly Clear | 10 to 15 mph ESE | 1% |
| Wednesday | 97°F | Sunny | 10 to 15 mph SE | 4% |
| Wednesday Night | 77°F | Mostly Clear | 10 to 15 mph SE | 3% |
| Thursday | 98°F | Sunny | 15 mph SE | 0% |
| Thursday Night | 78°F | Mostly Clear | 10 to 15 mph SE | 0% |
| Friday | 98°F | Sunny | 10 mph SE | 1% |
| Friday Night | 76°F | Mostly Clear | 10 mph SE | 1% |
| Saturday | 97°F | Sunny | 10 mph SE | 1% |
| Saturday Night | 76°F | Mostly Clear | 10 mph SE | 0% |
| Sunday | 96°F | Sunny | 10 mph SE | 0% |
| Sunday Night | 76°F | Mostly Clear | 10 mph SE | 1% |
| Monday | 97°F | Sunny | 10 to 15 mph SE | 1% |
| Monday Night | 77°F | Mostly Clear | 15 mph SE | 1% |
Forecast source: National Weather Service (api.weather.gov) for Box Canyon (29.534, -101.159). Updated through the day.
Growing snapshot for Box Canyon
Last spring frost
Feb 14
First fall frost
Dec 6
Growing season
297 days
Hardiness zone
9a
More local growing data for Box Canyon: nearby ZIP 78842 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Amistad Dam, Tx (12.4 mi from Box Canyon). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.