Monte Alto, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Monte Alto, a community in Hidalgo County, Texas.
Tonight
76°F
Mostly Clear
Mostly clear, with a low around 76. East wind around 2 mph.
7-day forecast for Monte Alto
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 76°F | Mostly Clear | 2 mph E | 0% |
| Saturday | 96°F | Sunny | 1 to 10 mph ENE | 9% |
| Saturday Night | 75°F | Mostly Clear | 1 to 12 mph ESE | 0% |
| Sunday | 98°F | Sunny | 1 to 10 mph ESE | 8% |
| Sunday Night | 76°F | Partly Cloudy | 2 to 12 mph SE | 8% |
| Monday | 98°F | Sunny then Slight Chance Showers And Thunderstorms | 1 to 12 mph ESE | 19% |
| Monday Night | 76°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 12 mph ESE | 19% |
| Tuesday | 96°F | Sunny then Chance Showers And Thunderstorms | 1 to 13 mph E | 39% |
| Tuesday Night | 76°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 13 mph ENE | 39% |
| Wednesday | 95°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 1 to 13 mph ENE | 40% |
| Wednesday Night | 76°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 13 mph ENE | 40% |
| Thursday | 95°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 2 to 12 mph NE | 40% |
| Thursday Night | 76°F | Chance Showers And Thunderstorms | 1 to 12 mph ENE | 40% |
| Friday | 94°F | Chance Rain Showers then Chance Showers And Thunderstorms | 3 to 12 mph NE | 40% |
Forecast source: National Weather Service (api.weather.gov) for Monte Alto (26.374, -97.973). Updated through the day.
Growing snapshot for Monte Alto
Last spring frost
Jan 10
First fall frost
Dec 27
Growing season
355 days
Hardiness zone
10a
More local growing data for Monte Alto: nearby ZIP 78538 weather · frost dates · planting calendar · Texas frost dates
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Climate data from the nearest NOAA station, Santa Rosa 3 Wnw, Tx (9.5 mi from Monte Alto). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.