San Ygnacio, TX Weather & Growing Conditions
Today
103°F
Sunny
Sunny, with a high near 103. Heat index values as high as 106. Southeast wind 9 to 14 mph, with gusts as high as 21 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 103°F | Sunny | 9 to 14 mph SE | 2% |
| Tonight | 78°F | Partly Cloudy | 10 to 15 mph SE | 6% |
| Wednesday | 104°F | Mostly Sunny | 13 mph SE | 3% |
| Wednesday Night | 78°F | Mostly Clear | 10 to 14 mph SE | 0% |
| Thursday | 104°F | Sunny | 9 to 13 mph SE | 5% |
| Thursday Night | 78°F | Mostly Clear | 9 to 14 mph SE | 5% |
| Friday | 103°F | Sunny | 10 mph SE | 1% |
| Friday Night | 78°F | Mostly Clear | 7 to 14 mph SE | 1% |
| Saturday | 102°F | Sunny | 6 to 9 mph SE | 0% |
| Saturday Night | 78°F | Mostly Clear | 7 to 12 mph SE | 4% |
| Sunday | 102°F | Sunny | 6 to 10 mph SE | 2% |
| Sunday Night | 77°F | Mostly Clear | 9 to 13 mph SE | 2% |
| Monday | 104°F | Sunny | 8 to 13 mph SE | 1% |
| Monday Night | 78°F | Mostly Clear | 15 mph SE | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for San Ygnacio, TX
Last spring frost
Jan 19
First fall frost
Dec 22
Growing season
341 days
Hardiness zone
9b
Explore more for San Ygnacio, TX: full frost dates · planting calendar · Texas frost dates
Climate data from the nearest NOAA station, Zapata 1 S, Tx (17.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.