San Patricio, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for San Patricio, a city in San Patricio County, Texas.
Today
96°F
Sunny
Sunny, with a high near 96. Heat index values as high as 110. Southeast wind 10 to 18 mph, with gusts as high as 24 mph.
7-day forecast for San Patricio
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 96°F | Sunny | 10 to 18 mph SE | 3% |
| Tonight | 77°F | Mostly Clear | 8 to 18 mph SE | 3% |
| Wednesday | 96°F | Sunny | 8 to 17 mph SE | 0% |
| Wednesday Night | 77°F | Mostly Clear | 6 to 17 mph SE | 0% |
| Thursday | 96°F | Sunny | 5 to 16 mph SE | 2% |
| Thursday Night | 77°F | Mostly Clear | 5 to 16 mph SE | 2% |
| Friday | 95°F | Sunny | 2 to 15 mph SE | 8% |
| Friday Night | 76°F | Mostly Clear | 1 to 15 mph SE | 8% |
| Saturday | 95°F | Sunny | 1 to 13 mph SE | 8% |
| Saturday Night | 77°F | Mostly Clear | 2 to 13 mph SE | 8% |
| Sunday | 95°F | Sunny | 1 to 13 mph SE | 8% |
| Sunday Night | 77°F | Partly Cloudy | 5 to 14 mph SE | 8% |
| Monday | 95°F | Mostly Sunny | 5 to 16 mph SSE | 5% |
| Monday Night | 78°F | Mostly Clear | 9 to 17 mph SSE | 5% |
Forecast source: National Weather Service (api.weather.gov) for San Patricio (27.984, -97.770). Updated through the day.
Growing snapshot for San Patricio
Last spring frost
Feb 1
First fall frost
Dec 17
Growing season
324 days
Hardiness zone
9b
More local growing data for San Patricio: nearby ZIP 78352 weather · frost dates · planting calendar · Texas frost dates
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Tradewinds
Climate data from the nearest NOAA station, Sinton, Tx (9.9 mi from San Patricio). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.