Chula Vista, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Chula Vista, a community in Zavala County, Texas.
This Afternoon
101°F
Mostly Sunny
Mostly sunny, with a high near 101. Heat index values as high as 107. Southeast wind around 5 mph.
7-day forecast for Chula Vista
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 101°F | Mostly Sunny | 5 mph SE | 1% |
| Tonight | 74°F | Partly Cloudy | 5 to 10 mph SE | 2% |
| Sunday | 102°F | Mostly Sunny | 0 to 5 mph SE | 0% |
| Sunday Night | 74°F | Mostly Cloudy | 5 mph ESE | 7% |
| Monday | 102°F | Sunny | 0 to 5 mph ESE | 7% |
| Monday Night | 73°F | Mostly Clear | 5 mph ESE | 3% |
| Tuesday | 101°F | Sunny | 0 to 10 mph ESE | 3% |
| Tuesday Night | 74°F | Mostly Clear | 0 to 10 mph ESE | 11% |
| Wednesday | 101°F | Mostly Sunny | 0 to 10 mph E | 6% |
| Wednesday Night | 74°F | Partly Cloudy | 0 to 10 mph ESE | 8% |
| Thursday | 101°F | Mostly Sunny | 0 to 10 mph E | 12% |
| Thursday Night | 73°F | Partly Cloudy | 0 to 10 mph ESE | 12% |
| Friday | 100°F | Mostly Sunny | 0 to 10 mph E | 10% |
| Friday Night | 72°F | Mostly Clear | 0 to 5 mph ESE | 9% |
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 Sep 19, 2026.