Loma Grande, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Loma Grande, a community in Zavala County, Texas.
Today
100°F
Mostly Sunny
Mostly sunny, with a high near 100. Heat index values as high as 107. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
7-day forecast for Loma Grande
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 100°F | Mostly Sunny | 5 to 10 mph SE | 8% |
| Tonight | 76°F | Mostly Clear | 10 mph SE | 8% |
| Wednesday | 101°F | Mostly Sunny | 10 mph SE | 2% |
| Wednesday Night | 76°F | Mostly Clear | 10 mph SE | 2% |
| Thursday | 101°F | Sunny | 5 to 10 mph SE | 0% |
| Thursday Night | 77°F | Mostly Clear | 5 to 10 mph SE | 2% |
| Friday | 100°F | Mostly 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 | 98°F | Sunny | 5 mph ESE | 1% |
| Sunday Night | 75°F | Mostly Clear | 5 to 10 mph SE | 2% |
| Monday | 100°F | Sunny | 5 to 10 mph SE | 2% |
| Monday Night | 75°F | Mostly Clear | 10 mph SE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Loma Grande (28.722, -99.833). Updated through the day.
Growing snapshot for Loma Grande
Last spring frost
Feb 10
First fall frost
Dec 10
Growing season
307 days
Hardiness zone
9a
More local growing data for Loma Grande: 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 Loma Grande). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.