South Alamo, TX Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for South Alamo, a community in Hidalgo County, Texas.

Today

84°F

Sunny

Sunny, with a high near 84. North northeast wind 6 to 10 mph.

7-day forecast for South Alamo

When	Temp	Forecast	Wind	Precip
Today	84°F	Sunny	6 to 10 mph NNE	3%
Tonight	68°F	Mostly Clear	3 to 9 mph E	1%
Thursday	90°F	Mostly Sunny	3 to 7 mph SE	6%
Thursday Night	71°F	Showers And Thunderstorms	2 to 8 mph ENE	77%
Friday	83°F	Chance Rain Showers	6 to 13 mph N	45%
Friday Night	66°F	Mostly Cloudy	3 to 8 mph NNE	7%
Saturday	80°F	Partly Sunny then Slight Chance Rain Showers	9 mph NNE	23%
Saturday Night	62°F	Chance Rain Showers	7 to 13 mph NNE	37%
Sunday	73°F	Chance Rain Showers	10 to 14 mph N	42%
Sunday Night	57°F	Mostly Cloudy	6 to 9 mph N	14%
Monday	75°F	Mostly Sunny	5 to 8 mph NNE	5%
Monday Night	58°F	Partly Cloudy	3 mph NE	3%
Tuesday	79°F	Mostly Sunny	6 mph ENE	5%
Tuesday Night	61°F	Mostly Cloudy	6 mph ESE	3%

Forecast source: National Weather Service (api.weather.gov) for South Alamo (26.152, -98.108). Updated through the day.

Growing snapshot for South Alamo

Last spring frost

Jan 9

First fall frost

Jan 3

Growing season

365 days

Hardiness zone

10a

More local growing data for South Alamo: nearby ZIP 78516 weather · frost dates · planting calendar · Texas frost dates

Nearby towns & communities

Abram Alamo Alton César Chávez Citrus City Cuevitas Doffing Donna Doolittle Edcouch Edinburg Elias-Fela Solis Elsa Granjeno Harding Gill Tract Hargill Havana Heidelberg Hidalgo Indian Hills La Blanca La Coma Heights La Homa La Joya La Villa Laguna Seca Linn Llano Grande Lopezville Los Ebanos

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Climate data from the nearest NOAA station, Mcallen Miller Intl Ap, Tx (8.7 mi from South Alamo). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.