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.
Today
93°F
Sunny
Sunny, with a high near 93. Heat index values as high as 109. Southeast wind 6 to 17 mph, with gusts as high as 23 mph.
7-day forecast for St. Paul
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 93°F | Sunny | 6 to 17 mph SE | 2% |
| Tonight | 78°F | Mostly Clear | 8 to 17 mph SE | 1% |
| Wednesday | 94°F | Sunny | 7 to 16 mph SE | 0% |
| Wednesday Night | 78°F | Mostly Clear | 6 to 16 mph SE | 0% |
| Thursday | 94°F | Sunny | 5 to 16 mph SE | 2% |
| Thursday Night | 78°F | Mostly Clear | 3 to 16 mph SE | 2% |
| Friday | 93°F | Sunny | 2 to 14 mph SE | 11% |
| Friday Night | 77°F | Mostly Clear | 1 to 14 mph SE | 11% |
| Saturday | 93°F | Mostly Sunny | 1 to 13 mph SE | 9% |
| Saturday Night | 77°F | Mostly Clear | 2 to 13 mph SSE | 8% |
| Sunday | 93°F | Mostly Sunny | 1 to 14 mph SE | 12% |
| Sunday Night | 77°F | Partly Cloudy | 3 to 14 mph SE | 12% |
| Monday | 93°F | Mostly Sunny | 3 to 16 mph SSE | 7% |
| Monday Night | 78°F | Partly Cloudy | 10 to 17 mph SSE | 7% |
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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San Patricio
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Tradewinds
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 Aug 4, 2026.