Zarate, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Zarate, a community in Starr County, Texas.
This Afternoon
97°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly sunny, with a high near 97. Heat index values as high as 110. East northeast wind around 9 mph. Chance of precipitation is 40%.
7-day forecast for Zarate
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 97°F | Chance Showers And Thunderstorms | 9 mph ENE | 39% |
| Tonight | 78°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 1 to 9 mph ESE | 19% |
| Saturday | 100°F | Sunny | 1 to 6 mph E | 2% |
| Saturday Night | 77°F | Mostly Clear | 3 to 9 mph ESE | 3% |
| Sunday | 101°F | Sunny | 2 to 6 mph ESE | 3% |
| Sunday Night | 78°F | Partly Cloudy | 3 to 8 mph SE | 3% |
| Monday | 101°F | Sunny | 2 to 8 mph ESE | 10% |
| Monday Night | 78°F | Mostly Clear | 2 to 10 mph ESE | 10% |
| Tuesday | 99°F | Sunny then Chance Showers And Thunderstorms | 1 to 10 mph E | 33% |
| Tuesday Night | 78°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 12 mph ENE | 33% |
| Wednesday | 98°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 10 mph E | 41% |
| Wednesday Night | 77°F | Chance Showers And Thunderstorms | 0 to 10 mph E | 41% |
| Thursday | 98°F | Chance Showers And Thunderstorms | 0 to 9 mph ENE | 46% |
| Thursday Night | 77°F | Chance Showers And Thunderstorms | 0 to 9 mph E | 46% |
Forecast source: National Weather Service (api.weather.gov) for Zarate (26.320, -98.637). Updated through the day.
Growing snapshot for Zarate
Last spring frost
Jan 31
First fall frost
Dec 17
Growing season
321 days
Hardiness zone
10a
More local growing data for Zarate: nearby ZIP 78548 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Airport Heights
Alto Bonito Heights
Amada Acres
Anacua
B and E
Barrera
Benjamin Perez
Buena Vista
Camargito
Campo Verde
Casa Blanca
Casas
Chaparrito
Chapeno
Delmita
E. Lopez
East Alto Bonito
El Brazil
El Castillo
El Cenizo
El Chaparral
El Mesquite
El Quiote
El Rancho Vela
El Refugio
El Socio
Escobares
Eugenio Saenz
Evergreen
Falcon Heights
Climate data from the nearest NOAA station, Rio Grande City, Tx (11.9 mi from Zarate). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.