Alamo, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Alamo, a city in Hidalgo County, Texas.
Tonight
77°F
Mostly Clear
Mostly clear, with a low around 77. East wind 0 to 10 mph.
7-day forecast for Alamo
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 77°F | Mostly Clear | 0 to 10 mph E | 4% |
| Saturday | 98°F | Sunny | 1 to 9 mph ENE | 9% |
| Saturday Night | 77°F | Mostly Clear | 2 to 12 mph ESE | 1% |
| Sunday | 99°F | Mostly Sunny | 2 to 9 mph ESE | 11% |
| Sunday Night | 78°F | Partly Cloudy | 3 to 13 mph SE | 11% |
| Monday | 99°F | Sunny then Slight Chance Showers And Thunderstorms | 2 to 10 mph ESE | 22% |
| Monday Night | 78°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 1 to 13 mph ESE | 22% |
| Tuesday | 97°F | Sunny then Chance Showers And Thunderstorms | 2 to 12 mph E | 44% |
| Tuesday Night | 78°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 12 mph ENE | 44% |
| Wednesday | 96°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 2 to 13 mph ENE | 42% |
| Wednesday Night | 78°F | Chance Showers And Thunderstorms then Mostly Clear | 1 to 13 mph ENE | 42% |
| Thursday | 96°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 3 to 12 mph NE | 46% |
| Thursday Night | 77°F | Chance Showers And Thunderstorms | 2 to 12 mph ENE | 46% |
| Friday | 95°F | Chance Rain Showers then Chance Showers And Thunderstorms | 3 to 12 mph NE | 40% |
Forecast source: National Weather Service (api.weather.gov) for Alamo (26.181, -98.118). Updated through the day.
Growing snapshot for Alamo
Last spring frost
Jan 9
First fall frost
Jan 3
Growing season
365 days
Hardiness zone
10a
More local growing data for Alamo: nearby ZIP 78516 weather · frost dates · planting calendar · Texas frost dates
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Climate data from the nearest NOAA station, Mcallen Miller Intl Ap, Tx (8.7 mi from Alamo). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.