Harman US

St. Paul, TX Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for St. Paul, a community in San Patricio County, Texas.

This Afternoon
93°F
Sunny
Sunny, with a high near 93. Heat index values as high as 102. East southeast wind around 10 mph.

7-day forecast for St. Paul

WhenTempForecastWindPrecip
This Afternoon 93°F Sunny 10 mph ESE 0%
Tonight 75°F Mostly Clear 1 to 12 mph ESE 7%
Sunday 94°F Sunny 1 to 10 mph E 14%
Sunday Night 76°F Partly Cloudy 2 to 10 mph SE 6%
Monday 94°F Slight Chance Showers And Thunderstorms 2 to 10 mph E 19%
Monday Night 76°F Slight Chance Showers And Thunderstorms then Mostly Clear 1 to 10 mph ESE 19%
Tuesday 96°F Sunny then Slight Chance Showers And Thunderstorms 2 to 12 mph ENE 15%
Tuesday Night 77°F Slight Chance Showers And Thunderstorms then Mostly Clear 1 to 12 mph E 15%
Wednesday 96°F Sunny then Slight Chance Showers And Thunderstorms 5 to 13 mph ENE 17%
Wednesday Night 77°F Slight Chance Showers And Thunderstorms then Mostly Clear 2 to 13 mph E 17%
Thursday 95°F Slight Chance Showers And Thunderstorms 6 to 15 mph ENE 24%
Thursday Night 77°F Slight Chance Showers And Thunderstorms then Partly Cloudy 3 to 14 mph E 24%
Friday 95°F Mostly Sunny 6 to 13 mph ENE 14%
Friday Night 76°F Mostly Clear 3 to 13 mph E 14%

Forecast source: National Weather Service (api.weather.gov) for St. Paul (28.091, -97.563). Updated through the day.

Growing snapshot for St. Paul

Last spring frost
Feb 1
First fall frost
Dec 17
Growing season
324 days
Hardiness zone
9b

More local growing data for St. Paul: nearby ZIP 78387 weather · frost dates · planting calendar · Texas frost dates

Nearby towns & communities

All Texas locations ›

Climate data from the nearest NOAA station, Sinton, Tx (2.7 mi from St. Paul). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.