St. Hedwig, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. Hedwig, a town in Bexar County, Texas.
Today
99°F
Sunny
Sunny, with a high near 99. Heat index values as high as 106. South southeast wind 5 to 15 mph.
7-day forecast for St. Hedwig
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 99°F | Sunny | 5 to 15 mph SSE | 3% |
| Tonight | 76°F | Mostly Clear | 5 to 15 mph SSE | 3% |
| Wednesday | 99°F | Mostly Sunny | 5 to 15 mph SSE | 1% |
| Wednesday Night | 76°F | Mostly Clear | 5 to 15 mph SSE | 1% |
| Thursday | 98°F | Mostly Sunny | 5 to 10 mph SSE | 3% |
| Thursday Night | 76°F | Partly Cloudy | 5 to 15 mph SSE | 4% |
| Friday | 97°F | Mostly Sunny | 5 to 10 mph SSE | 7% |
| Friday Night | 76°F | Partly Cloudy | 5 to 15 mph SSE | 12% |
| Saturday | 96°F | Mostly Sunny | 0 to 10 mph SSE | 12% |
| Saturday Night | 76°F | Mostly Clear | 5 to 10 mph SE | 2% |
| Sunday | 96°F | Sunny | 0 to 15 mph SSE | 6% |
| Sunday Night | 76°F | Mostly Clear | 5 to 15 mph SSE | 6% |
| Monday | 97°F | Mostly Sunny | 5 to 15 mph SSE | 6% |
| Monday Night | 76°F | Mostly Clear | 10 to 15 mph SSE | 6% |
Forecast source: National Weather Service (api.weather.gov) for St. Hedwig (29.420, -98.207). Updated through the day.
Growing snapshot for St. Hedwig
Last spring frost
Feb 21
First fall frost
Dec 5
Growing season
289 days
Hardiness zone
9a
More local growing data for St. Hedwig: nearby ZIP 78152 weather · frost dates · planting calendar · Texas frost dates
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Climate data from the nearest NOAA station, Randolph Afb, Tx (8.9 mi from St. Hedwig). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.