Chapeno, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Chapeno, a community in Starr County, Texas.
Tonight
77°F
Mostly Clear
Mostly clear, with a low around 77. Southeast wind 3 to 9 mph.
7-day forecast for Chapeno
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 77°F | Mostly Clear | 3 to 9 mph SE | 0% |
| Sunday | 102°F | Mostly Sunny | 5 mph ESE | 0% |
| Sunday Night | 78°F | Partly Cloudy | 2 to 7 mph ESE | 0% |
| Monday | 103°F | Sunny | 1 to 7 mph ESE | 5% |
| Monday Night | 77°F | Mostly Clear | 1 to 8 mph ESE | 5% |
| Tuesday | 101°F | Sunny then Slight Chance Showers And Thunderstorms | 1 to 9 mph ESE | 22% |
| Tuesday Night | 77°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 9 mph E | 22% |
| Wednesday | 99°F | Chance Showers And Thunderstorms | 0 to 8 mph ENE | 40% |
| Wednesday Night | 76°F | Chance Showers And Thunderstorms | 0 to 8 mph E | 40% |
| Thursday | 97°F | Chance Rain Showers | 0 to 7 mph ENE | 54% |
| Thursday Night | 76°F | Chance Showers And Thunderstorms | 0 to 7 mph ENE | 54% |
| Friday | 98°F | Chance Rain Showers | 0 to 7 mph E | 37% |
| Friday Night | 76°F | Chance Showers And Thunderstorms | 0 to 7 mph E | 37% |
| Saturday | 99°F | Chance Showers And Thunderstorms | 0 to 6 mph E | 26% |
Forecast source: National Weather Service (api.weather.gov) for Chapeno (26.551, -99.134). Updated through the day.
Growing snapshot for Chapeno
Last spring frost
Jan 9
First fall frost
Jan 1
Growing season
363 days
Hardiness zone
9b
More local growing data for Chapeno: nearby ZIP 78545 weather · frost dates · planting calendar · Texas frost dates
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Climate data from the nearest NOAA station, Falcon Dam, Tx (1.9 mi from Chapeno). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.