Monte Alto, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Monte Alto, a community in Hidalgo County, Texas.
Today
98°F
Sunny
Sunny, with a high near 98. Heat index values as high as 108. South southeast wind 12 to 17 mph, with gusts as high as 26 mph.
7-day forecast for Monte Alto
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 98°F | Sunny | 12 to 17 mph SSE | 1% |
| Tonight | 78°F | Partly Cloudy | 8 to 16 mph SE | 2% |
| Wednesday | 99°F | Mostly Sunny | 8 to 15 mph SE | 2% |
| Wednesday Night | 78°F | Mostly Clear | 6 to 15 mph SE | 0% |
| Thursday | 99°F | Sunny | 6 to 15 mph SE | 10% |
| Thursday Night | 77°F | Clear | 3 to 15 mph SE | 10% |
| Friday | 97°F | Sunny then Slight Chance Showers And Thunderstorms | 3 to 14 mph SE | 18% |
| Friday Night | 76°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 2 to 14 mph SE | 18% |
| Saturday | 96°F | Sunny | 2 to 13 mph ESE | 9% |
| Saturday Night | 76°F | Mostly Clear | 2 to 13 mph SE | 9% |
| Sunday | 97°F | Sunny | 1 to 13 mph SE | 10% |
| Sunday Night | 77°F | Mostly Clear | 6 to 13 mph SE | 10% |
| Monday | 98°F | Sunny | 6 to 16 mph SE | 3% |
| Monday Night | 78°F | Mostly Clear | 10 to 16 mph SE | 3% |
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 Aug 4, 2026.