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
94°F
Sunny
Sunny, with a high near 94. Heat index values as high as 107. East wind 2 to 12 mph.
7-day forecast for San Patricio
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 94°F | Sunny | 2 to 12 mph E | 4% |
| Tonight | 74°F | Mostly Clear | 1 to 12 mph SSE | 0% |
| Sunday | 96°F | Mostly Sunny | 1 to 9 mph E | 4% |
| Sunday Night | 76°F | Partly Cloudy | 2 to 12 mph SE | 2% |
| Monday | 97°F | Sunny then Slight Chance Showers And Thunderstorms | 2 to 10 mph ESE | 21% |
| Monday Night | 76°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 1 to 12 mph ESE | 21% |
| Tuesday | 97°F | Sunny then Slight Chance Showers And Thunderstorms | 2 to 12 mph ENE | 17% |
| Tuesday Night | 76°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 12 mph E | 17% |
| Wednesday | 98°F | Sunny then Slight Chance Showers And Thunderstorms | 3 to 13 mph ENE | 17% |
| Wednesday Night | 77°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 2 to 13 mph E | 17% |
| Thursday | 97°F | Chance Showers And Thunderstorms | 5 to 13 mph ENE | 25% |
| Thursday Night | 76°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 to 13 mph E | 25% |
| Friday | 97°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 6 to 12 mph ENE | 16% |
| Friday Night | 75°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 3 to 12 mph ENE | 16% |
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 Sep 19, 2026.