South Alamo, TX Weather & Growing Conditions
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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 68°F | Chance Rain Showers | 8 mph N | 31% |
| Wednesday | 85°F | Mostly Sunny | 8 mph NNE | 4% |
| Wednesday Night | 69°F | Partly Cloudy | 3 to 9 mph ESE | 3% |
| Thursday | 92°F | Mostly Sunny | 5 to 10 mph SE | 5% |
| Thursday Night | 71°F | Showers And Thunderstorms | 3 to 9 mph SSW | 77% |
| Friday | 82°F | Chance Showers And Thunderstorms then Partly Sunny | 7 to 13 mph N | 40% |
| Friday Night | 64°F | Partly Cloudy then Slight Chance Rain Showers | 3 to 8 mph NNE | 19% |
| Saturday | 79°F | Chance Rain Showers | 10 mph N | 42% |
| Saturday Night | 62°F | Chance Rain Showers | 7 to 14 mph N | 31% |
| Sunday | 76°F | Slight Chance Rain Showers then Mostly Sunny | 9 to 14 mph N | 23% |
| Sunday Night | 58°F | Partly Cloudy | 3 to 8 mph N | 14% |
| Monday | 79°F | Mostly Sunny | 7 mph NNE | 5% |
| Monday Night | 58°F | Partly Cloudy | 2 to 6 mph E | 1% |
| Tuesday | 82°F | Mostly Sunny | 3 to 8 mph E | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for South Alamo, TX
Last spring frost
Jan 9
First fall frost
Jan 3
Growing season
365 days
Hardiness zone
10a
Explore more for South Alamo, TX: full frost dates · planting calendar · Texas frost dates
Climate data from the nearest NOAA station, Mcallen Miller Intl Ap, Tx (8.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.