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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.

Tonight
58°F
Mostly Clear
Mostly clear, with a low around 58. North wind around 8 mph.

7-day forecast for St. Paul

WhenTempForecastWindPrecip
Tonight 58°F Mostly Clear 8 mph N 0%
Wednesday 78°F Sunny 3 to 8 mph NE 0%
Wednesday Night 60°F Mostly Clear 5 mph E 2%
Thursday 83°F Partly Sunny then Slight Chance Showers And Thunderstorms 7 mph ENE 20%
Thursday Night 64°F Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 2 to 10 mph NE 65%
Friday 77°F Sunny 6 to 15 mph N 8%
Friday Night 56°F Partly Cloudy 5 to 12 mph N 8%
Saturday 73°F Chance Rain Showers 8 to 12 mph NNE 35%
Saturday Night 55°F Slight Chance Rain Showers 8 to 16 mph NNE 16%
Sunday 72°F Slight Chance Rain Showers 5 to 16 mph NNE 16%
Sunday Night 52°F Slight Chance Rain Showers then Partly Cloudy 3 to 7 mph NNE 15%
Monday 73°F Mostly Sunny 3 to 7 mph NE 5%
Monday Night 52°F Partly Cloudy 0 to 5 mph ENE 1%
Tuesday 76°F Mostly Sunny 5 mph ENE 4%

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

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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 Nov 4, 2026.