Alamo, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Alamo, a city in Hidalgo County, Texas.
Tonight
68°F
Chance Rain Showers
A chance of rain showers between 9pm and 4am. Mostly cloudy, with a low around 68. North wind around 8 mph. Chance of precipitation is 30%.
7-day forecast for Alamo
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 68°F | Chance Rain Showers | 8 mph N | 30% |
| Wednesday | 85°F | Mostly Sunny | 8 mph NNE | 3% |
| Wednesday Night | 69°F | Partly Cloudy | 3 to 8 mph ESE | 2% |
| Thursday | 91°F | Mostly Sunny | 3 to 9 mph SE | 4% |
| Thursday Night | 71°F | Showers And Thunderstorms | 3 to 8 mph S | 78% |
| Friday | 82°F | Chance Showers And Thunderstorms then Partly Sunny | 7 to 12 mph N | 40% |
| Friday Night | 64°F | Partly Cloudy then Slight Chance Rain Showers | 3 to 8 mph NNE | 17% |
| Saturday | 79°F | Chance Rain Showers | 10 mph N | 42% |
| Saturday Night | 61°F | Chance Rain Showers | 7 to 13 mph N | 32% |
| Sunday | 76°F | Slight Chance Rain Showers then Mostly Sunny | 8 to 13 mph N | 23% |
| Sunday Night | 57°F | Partly Cloudy | 3 to 7 mph N | 14% |
| Monday | 78°F | Mostly Sunny | 7 mph NNE | 5% |
| Monday Night | 58°F | Partly Cloudy | 5 mph E | 1% |
| Tuesday | 81°F | Mostly Sunny | 3 to 7 mph E | 3% |
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 Nov 4, 2026.