San Perlita, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for San Perlita, a city in Willacy County, Texas.
This Afternoon
97°F
Sunny
Sunny. High near 97, with temperatures falling to around 93 in the afternoon. Heat index values as high as 109. East wind 8 to 13 mph.
7-day forecast for San Perlita
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 97°F | Sunny | 8 to 13 mph E | 6% |
| Tonight | 75°F | Mostly Clear | 0 to 12 mph SE | 1% |
| Sunday | 98°F | Sunny | 0 to 13 mph ENE | 8% |
| Sunday Night | 76°F | Partly Cloudy | 1 to 12 mph SE | 1% |
| Monday | 98°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 12 mph E | 16% |
| Monday Night | 76°F | Slight Chance Showers And Thunderstorms then Clear | 0 to 12 mph E | 16% |
| Tuesday | 97°F | Chance Showers And Thunderstorms | 1 to 13 mph ENE | 38% |
| Tuesday Night | 76°F | Chance Showers And Thunderstorms then Clear | 0 to 12 mph E | 38% |
| Wednesday | 96°F | Chance Showers And Thunderstorms | 2 to 15 mph NE | 43% |
| Wednesday Night | 77°F | Chance Showers And Thunderstorms | 2 to 13 mph E | 37% |
| Thursday | 96°F | Chance Showers And Thunderstorms | 3 to 14 mph ENE | 45% |
| Thursday Night | 76°F | Chance Showers And Thunderstorms | 3 to 12 mph E | 45% |
| Friday | 95°F | Chance Rain Showers | 3 to 13 mph NE | 51% |
| Friday Night | 76°F | Chance Showers And Thunderstorms | 3 to 12 mph ENE | 41% |
Forecast source: National Weather Service (api.weather.gov) for San Perlita (26.501, -97.640). Updated through the day.
Growing snapshot for San Perlita
Last spring frost
Jan 21
First fall frost
Dec 26
Growing season
340 days
Hardiness zone
10a
More local growing data for San Perlita: nearby ZIP 78590 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Lasara
Los Angeles
Lyford
Port Mansfield
Ranchette Estates
Raymondville
Sebastian
Yznaga
Zapata Ranch
Climate data from the nearest NOAA station, Raymondville, Tx (9.6 mi from San Perlita). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.