Llano Grande, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Llano Grande, a community in Hidalgo County, Texas.
Today
98°F
Sunny
Sunny, with a high near 98. Heat index values as high as 105. East wind 2 to 10 mph.
7-day forecast for Llano Grande
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 98°F | Sunny | 2 to 10 mph E | 12% |
| Tonight | 76°F | Mostly Clear | 2 to 12 mph ESE | 5% |
| Sunday | 99°F | Mostly Sunny | 1 to 10 mph E | 7% |
| Sunday Night | 77°F | Partly Cloudy | 2 to 12 mph ESE | 1% |
| Monday | 98°F | Sunny then Chance Showers And Thunderstorms | 1 to 12 mph ESE | 32% |
| Monday Night | 77°F | Chance Showers And Thunderstorms then Mostly Clear | 2 to 13 mph ESE | 32% |
| Tuesday | 97°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 2 to 13 mph ENE | 42% |
| Tuesday Night | 77°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 13 mph ENE | 42% |
| Wednesday | 96°F | Chance Rain Showers then Chance Showers And Thunderstorms | 2 to 13 mph NE | 44% |
| Wednesday Night | 78°F | Chance Showers And Thunderstorms then Mostly Clear | 1 to 13 mph ENE | 44% |
| Thursday | 96°F | Chance Rain Showers then Chance Showers And Thunderstorms | 3 to 12 mph NE | 49% |
| Thursday Night | 77°F | Chance Showers And Thunderstorms | 2 to 13 mph ENE | 49% |
| Friday | 95°F | Chance Rain Showers then Chance Showers And Thunderstorms | 5 to 12 mph NE | 35% |
| Friday Night | 76°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 to 12 mph ENE | 35% |
Forecast source: National Weather Service (api.weather.gov) for Llano Grande (26.131, -97.968). Updated through the day.
Growing snapshot for Llano Grande
Last spring frost
Jan 8
First fall frost
Dec 31
Growing season
365 days
Hardiness zone
10a
More local growing data for Llano Grande: nearby ZIP 78596 weather · frost dates · planting calendar · Texas frost dates
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Climate data from the nearest NOAA station, Weslaco, Tx (5.9 mi from Llano Grande). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.