Big Wells, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Big Wells, a city in Dimmit County, Texas.
Today
102°F
Mostly Sunny
Mostly sunny, with a high near 102. Heat index values as high as 107. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.
7-day forecast for Big Wells
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 102°F | Mostly Sunny | 5 to 15 mph SE | 5% |
| Tonight | 77°F | Mostly Clear | 10 to 15 mph SE | 5% |
| Wednesday | 103°F | Mostly Sunny | 10 to 15 mph SE | 2% |
| Wednesday Night | 77°F | Mostly Clear | 10 to 15 mph SE | 2% |
| Thursday | 103°F | Sunny | 10 mph SE | 1% |
| Thursday Night | 77°F | Mostly Clear | 10 to 15 mph SE | 1% |
| Friday | 101°F | Sunny | 5 to 10 mph SE | 2% |
| Friday Night | 76°F | Partly Cloudy | 5 to 15 mph SE | 2% |
| Saturday | 100°F | Sunny | 5 to 10 mph ESE | 0% |
| Saturday Night | 76°F | Mostly Clear | 5 to 10 mph SE | 1% |
| Sunday | 100°F | Sunny | 5 to 10 mph ESE | 1% |
| Sunday Night | 76°F | Mostly Clear | 10 mph SE | 1% |
| Monday | 102°F | Sunny | 5 to 15 mph SE | 2% |
| Monday Night | 76°F | Mostly Clear | 15 mph SE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Big Wells (28.570, -99.570). Updated through the day.
Growing snapshot for Big Wells
Last spring frost
Feb 11
First fall frost
Dec 3
Growing season
300 days
Hardiness zone
9a
More local growing data for Big Wells: nearby ZIP 78830 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Cotulla La Salle Co Ap, Tx (16.3 mi from Big Wells). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.