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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.

This Afternoon
94°F
Sunny
Sunny, with a high near 94. Heat index values as high as 107. East southeast wind 6 to 10 mph.

7-day forecast for San Patricio

WhenTempForecastWindPrecip
This Afternoon 94°F Sunny 6 to 10 mph ESE 6%
Tonight 74°F Mostly Clear 1 to 12 mph SE 3%
Sunday 96°F Slight Chance Rain Showers then Mostly Sunny 1 to 9 mph E 16%
Sunday Night 76°F Partly Cloudy 2 to 10 mph SE 6%
Monday 95°F Sunny then Slight Chance Showers And Thunderstorms 2 to 9 mph ESE 19%
Monday Night 76°F Slight Chance Showers And Thunderstorms then Mostly Clear 1 to 10 mph ESE 19%
Tuesday 97°F Sunny then Slight Chance Showers And Thunderstorms 2 to 12 mph ENE 15%
Tuesday Night 76°F Slight Chance Showers And Thunderstorms then Mostly Clear 0 to 12 mph ENE 15%
Wednesday 98°F Sunny then Slight Chance Showers And Thunderstorms 3 to 13 mph ENE 18%
Wednesday Night 77°F Slight Chance Showers And Thunderstorms then Mostly Clear 2 to 13 mph E 18%
Thursday 97°F Slight Chance Rain Showers then Chance Showers And Thunderstorms 5 to 15 mph ENE 25%
Thursday Night 76°F Chance Showers And Thunderstorms then Partly Cloudy 3 to 14 mph E 25%
Friday 97°F Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms 5 to 13 mph ENE 16%
Friday Night 75°F Slight Chance Showers And Thunderstorms then Mostly Clear 2 to 13 mph E 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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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.