Valle Hermoso, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Valle Hermoso, a community in Starr County, Texas.
This Afternoon
102°F
Sunny
Sunny, with a high near 102. Heat index values as high as 112. East wind around 6 mph.
7-day forecast for Valle Hermoso
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 102°F | Sunny | 6 mph E | 2% |
| Tonight | 77°F | Mostly Clear | 2 to 8 mph ESE | 1% |
| Sunday | 103°F | Mostly Sunny | 5 mph ESE | 0% |
| Sunday Night | 78°F | Partly Cloudy | 1 to 7 mph ESE | 0% |
| Monday | 103°F | Sunny then Slight Chance Showers And Thunderstorms | 1 to 7 mph ESE | 15% |
| Monday Night | 78°F | Slight Chance Showers And Thunderstorms then Clear | 0 to 9 mph ESE | 15% |
| Tuesday | 100°F | Sunny then Chance Showers And Thunderstorms | 0 to 9 mph E | 34% |
| Tuesday Night | 78°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 9 mph NE | 34% |
| Wednesday | 99°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 8 mph ENE | 47% |
| Wednesday Night | 78°F | Chance Showers And Thunderstorms | 0 to 8 mph ENE | 47% |
| Thursday | 98°F | Showers And Thunderstorms Likely | 0 to 7 mph ENE | 55% |
| Thursday Night | 77°F | Showers And Thunderstorms Likely | 0 to 7 mph ENE | 55% |
| Friday | 98°F | Chance Rain Showers | 1 to 6 mph ENE | 42% |
| Friday Night | 77°F | Chance Showers And Thunderstorms | 0 to 7 mph ENE | 42% |
Forecast source: National Weather Service (api.weather.gov) for Valle Hermoso (26.382, -98.787). Updated through the day.
Growing snapshot for Valle Hermoso
Last spring frost
Jan 31
First fall frost
Dec 17
Growing season
321 days
Hardiness zone
9b
More local growing data for Valle Hermoso: nearby ZIP 78547 weather · frost dates · planting calendar · Texas frost dates
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Climate data from the nearest NOAA station, Rio Grande City, Tx (8.7 mi from Valle Hermoso). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.