Buena Vista, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Buena Vista, a community in Starr County, Texas.
This Afternoon
101°F
Sunny
Sunny, with a high near 101. Heat index values as high as 110. East wind around 6 mph.
7-day forecast for Buena Vista
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 101°F | Sunny | 6 mph E | 4% |
| Tonight | 77°F | Mostly Clear | 2 to 10 mph ESE | 1% |
| Sunday | 101°F | Mostly Sunny | 5 mph ESE | 0% |
| Sunday Night | 78°F | Partly Cloudy | 1 to 8 mph ESE | 0% |
| Monday | 101°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 8 mph ESE | 17% |
| Monday Night | 78°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 1 to 10 mph ESE | 17% |
| Tuesday | 99°F | Sunny then Chance Showers And Thunderstorms | 0 to 10 mph E | 42% |
| Tuesday Night | 77°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 10 mph NE | 42% |
| Wednesday | 98°F | Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 9 mph ENE | 50% |
| Wednesday Night | 78°F | Chance Showers And Thunderstorms | 0 to 10 mph NE | 50% |
| Thursday | 96°F | Chance Rain Showers then Chance Showers And Thunderstorms | 1 to 8 mph ENE | 54% |
| Thursday Night | 77°F | Chance Showers And Thunderstorms | 0 to 8 mph ENE | 54% |
| Friday | 96°F | Chance Rain Showers | 1 to 9 mph NE | 44% |
| Friday Night | 76°F | Chance Showers And Thunderstorms | 0 to 9 mph ENE | 44% |
Forecast source: National Weather Service (api.weather.gov) for Buena Vista (26.294, -98.611). Updated through the day.
Growing snapshot for Buena Vista
Last spring frost
Jan 31
First fall frost
Dec 17
Growing season
321 days
Hardiness zone
10a
More local growing data for Buena Vista: nearby ZIP 78548 weather · frost dates · planting calendar · Texas frost dates
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Climate data from the nearest NOAA station, Rio Grande City, Tx (11.9 mi from Buena Vista). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.