La Grulla, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for La Grulla, a city in Starr County, Texas.
Overnight
78°F
Partly Cloudy
Partly cloudy, with a low around 78. East southeast wind around 1 mph.
7-day forecast for La Grulla
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 78°F | Partly Cloudy | 1 mph ESE | 0% |
| Saturday | 101°F | Sunny | 1 to 6 mph ESE | 1% |
| Saturday Night | 78°F | Mostly Clear | 2 to 10 mph ESE | 1% |
| Sunday | 102°F | Mostly Sunny | 1 to 6 mph ESE | 2% |
| Sunday Night | 78°F | Partly Cloudy | 1 to 8 mph ESE | 1% |
| Monday | 101°F | Sunny then Slight Chance Showers And Thunderstorms | 1 to 9 mph ESE | 16% |
| Monday Night | 78°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 1 to 12 mph ESE | 16% |
| Tuesday | 99°F | Sunny then Chance Showers And Thunderstorms | 1 to 9 mph E | 37% |
| Tuesday Night | 78°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 10 mph E | 37% |
| Wednesday | 98°F | Chance Showers And Thunderstorms | 0 to 8 mph ENE | 48% |
| Wednesday Night | 78°F | Chance Showers And Thunderstorms | 0 to 8 mph NE | 48% |
| Thursday | 98°F | Chance Rain Showers | 1 to 8 mph ENE | 52% |
| Thursday Night | 77°F | Chance Showers And Thunderstorms | 0 to 8 mph E | 52% |
| Friday | 98°F | Chance Rain Showers | 1 to 8 mph ENE | 35% |
Forecast source: National Weather Service (api.weather.gov) for La Grulla (26.271, -98.649). Updated through the day.
Growing snapshot for La Grulla
Last spring frost
Jan 31
First fall frost
Dec 17
Growing season
321 days
Hardiness zone
10a
More local growing data for La Grulla: nearby ZIP 78548 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Airport Heights
Alto Bonito Heights
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Climate data from the nearest NOAA station, Rio Grande City, Tx (11.9 mi from La Grulla). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.