Los Arrieros, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Los Arrieros, a community in Starr County, Texas.
Tonight
77°F
Mostly Clear
Mostly clear, with a low around 77. Southeast wind 3 to 7 mph.
7-day forecast for Los Arrieros
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 77°F | Mostly Clear | 3 to 7 mph SE | 0% |
| Sunday | 102°F | Mostly Sunny | 5 mph ESE | 0% |
| Sunday Night | 77°F | Partly Cloudy | 2 to 7 mph ESE | 0% |
| Monday | 102°F | Sunny | 2 to 7 mph ESE | 7% |
| Monday Night | 77°F | Mostly Clear | 1 to 8 mph ESE | 7% |
| Tuesday | 100°F | Sunny then Slight Chance Showers And Thunderstorms | 1 to 9 mph ESE | 23% |
| Tuesday Night | 76°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 9 mph E | 23% |
| Wednesday | 99°F | Chance Showers And Thunderstorms | 0 to 8 mph ENE | 40% |
| Wednesday Night | 77°F | Chance Showers And Thunderstorms | 0 to 8 mph NE | 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 NE | 54% |
| Friday | 97°F | Chance Rain Showers | 1 to 6 mph ENE | 37% |
| Friday Night | 76°F | Chance Showers And Thunderstorms | 0 to 6 mph ENE | 37% |
| Saturday | 99°F | Chance Showers And Thunderstorms | 1 to 5 mph E | 26% |
Forecast source: National Weather Service (api.weather.gov) for Los Arrieros (26.516, -99.085). Updated through the day.
Growing snapshot for Los Arrieros
Last spring frost
Jan 9
First fall frost
Jan 1
Growing season
363 days
Hardiness zone
9b
More local growing data for Los Arrieros: nearby ZIP 78585 weather · frost dates · planting calendar · Texas frost dates
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Falcon Heights
Climate data from the nearest NOAA station, Falcon Dam, Tx (6.2 mi from Los Arrieros). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.