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
83°F
Sunny
Sunny, with a high near 83. Northeast wind 6 to 9 mph.
7-day forecast for Monte Alto
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Sunny | 6 to 9 mph NE | 1% |
| Tonight | 66°F | Mostly Clear | 1 to 8 mph E | 1% |
| Thursday | 88°F | Mostly Sunny | 3 to 7 mph SE | 7% |
| Thursday Night | 69°F | Showers And Thunderstorms | 2 to 7 mph E | 75% |
| Friday | 81°F | Chance Rain Showers | 6 to 13 mph N | 37% |
| Friday Night | 64°F | Mostly Cloudy | 3 to 8 mph NNE | 6% |
| Saturday | 78°F | Partly Sunny then Slight Chance Rain Showers | 10 mph NNE | 22% |
| Saturday Night | 60°F | Chance Rain Showers | 7 to 15 mph NNE | 36% |
| Sunday | 72°F | Chance Rain Showers | 10 to 16 mph N | 41% |
| Sunday Night | 55°F | Mostly Cloudy | 6 to 9 mph N | 13% |
| Monday | 73°F | Mostly Sunny | 5 to 8 mph NNE | 4% |
| Monday Night | 56°F | Partly Cloudy | 3 mph ENE | 3% |
| Tuesday | 78°F | Mostly Sunny | 6 mph ENE | 5% |
| Tuesday Night | 59°F | Mostly Cloudy | 5 mph ESE | 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 Nov 4, 2026.