San Perlita, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for San Perlita, a city in Willacy County, Texas.
Today
99°F
Sunny
Sunny, with a high near 99. Heat index values as high as 111. Southeast wind 9 to 18 mph, with gusts as high as 26 mph.
7-day forecast for San Perlita
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 99°F | Sunny | 9 to 18 mph SE | 2% |
| Tonight | 78°F | Mostly Clear | 8 to 17 mph SE | 1% |
| Wednesday | 98°F | Sunny | 8 to 16 mph SE | 1% |
| Wednesday Night | 77°F | Mostly Clear | 6 to 16 mph SE | 1% |
| Thursday | 99°F | Sunny | 6 to 15 mph SE | 10% |
| Thursday Night | 77°F | Clear | 5 to 15 mph SE | 10% |
| Friday | 97°F | Sunny then Slight Chance Showers And Thunderstorms | 3 to 14 mph SE | 16% |
| Friday Night | 76°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 2 to 14 mph SE | 16% |
| Saturday | 96°F | Sunny | 1 to 13 mph ESE | 8% |
| Saturday Night | 76°F | Mostly Clear | 2 to 13 mph SE | 8% |
| Sunday | 96°F | Sunny | 1 to 13 mph SE | 13% |
| Sunday Night | 77°F | Mostly Clear | 5 to 13 mph SE | 13% |
| Monday | 99°F | Sunny | 5 to 16 mph SE | 5% |
| Monday Night | 78°F | Mostly Clear | 9 to 16 mph SE | 5% |
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 Aug 4, 2026.