Chula Vista, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Chula Vista, a community in Zavala County, Texas.
Overnight
76°F
Clear
Clear, with a low around 76. Southeast wind around 5 mph.
7-day forecast for Chula Vista
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 76°F | Clear | 5 mph SE | 0% |
| Tuesday | 101°F | Sunny | 5 to 15 mph ESE | 7% |
| Tuesday Night | 76°F | Mostly Clear | 10 to 15 mph SE | 9% |
| Wednesday | 101°F | Mostly Sunny | 10 mph SE | 2% |
| Wednesday Night | 76°F | Mostly Clear | 10 mph SE | 2% |
| Thursday | 102°F | Sunny | 5 to 10 mph SE | 0% |
| Thursday Night | 77°F | Mostly Clear | 5 to 10 mph SE | 2% |
| Friday | 100°F | Sunny | 5 mph SE | 2% |
| Friday Night | 75°F | Mostly Clear | 5 to 10 mph SE | 2% |
| Saturday | 99°F | Sunny | 5 mph ESE | 0% |
| Saturday Night | 75°F | Mostly Clear | 5 to 10 mph SE | 1% |
| Sunday | 99°F | Sunny | 5 mph ESE | 1% |
| Sunday Night | 75°F | Mostly Clear | 5 to 10 mph SE | 2% |
| Monday | 101°F | Sunny | 5 to 10 mph SE | 2% |
Forecast source: National Weather Service (api.weather.gov) for Chula Vista (28.660, -99.804). Updated through the day.
Growing snapshot for Chula Vista
Last spring frost
Feb 10
First fall frost
Dec 10
Growing season
307 days
Hardiness zone
9a
More local growing data for Chula Vista: nearby ZIP 78839 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Crystal City, Tx (6 mi from Chula Vista). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.