West Alto Bonito, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for West Alto Bonito, a community in Starr County, Texas.
This Afternoon
91°F
Mostly Sunny
Mostly sunny. High near 91, with temperatures falling to around 87 in the afternoon. Northwest wind 6 to 10 mph.
7-day forecast for West Alto Bonito
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 91°F | Mostly Sunny | 6 to 10 mph NW | 5% |
| Tonight | 66°F | Partly Cloudy | 3 to 9 mph N | 5% |
| Wednesday | 86°F | Mostly Sunny | 5 mph NE | 1% |
| Wednesday Night | 68°F | Mostly Clear | 5 mph E | 2% |
| Thursday | 92°F | Mostly Sunny | 3 to 7 mph ESE | 3% |
| Thursday Night | 71°F | Showers And Thunderstorms Likely | 2 to 7 mph N | 64% |
| Friday | 83°F | Chance Showers And Thunderstorms then Partly Sunny | 6 to 10 mph N | 36% |
| Friday Night | 64°F | Partly Cloudy then Slight Chance Rain Showers | 1 to 5 mph NNE | 20% |
| Saturday | 79°F | Chance Rain Showers | 5 to 8 mph N | 35% |
| Saturday Night | 61°F | Chance Rain Showers | 3 to 10 mph N | 31% |
| Sunday | 77°F | Slight Chance Rain Showers then Mostly Sunny | 6 to 12 mph N | 15% |
| Sunday Night | 57°F | Partly Cloudy | 0 to 5 mph NNE | 12% |
| Monday | 79°F | Mostly Sunny | 5 mph NE | 4% |
| Monday Night | 58°F | Partly Cloudy | 0 to 3 mph E | 2% |
Forecast source: National Weather Service (api.weather.gov) for West Alto Bonito (26.314, -98.663). Updated through the day.
Growing snapshot for West Alto Bonito
Last spring frost
Jan 31
First fall frost
Dec 17
Growing season
321 days
Hardiness zone
9b
More local growing data for West Alto Bonito: nearby ZIP 78547 weather · frost dates · planting calendar · Texas frost dates
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East Alto Bonito
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Climate data from the nearest NOAA station, Rio Grande City, Tx (8.7 mi from West Alto Bonito). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.