San Antonio, TX Weather & Growing Conditions
Tonight
77°F
Partly Cloudy
Partly cloudy, with a low around 77. Southeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 77°F | Partly Cloudy | 5 mph SE | 0% |
| Saturday | 97°F | Sunny | 5 mph ESE | 1% |
| Saturday Night | 76°F | Mostly Clear | 5 to 10 mph SE | 1% |
| Sunday | 98°F | Mostly Sunny | 5 mph SSE | 0% |
| Sunday Night | 76°F | Partly Cloudy | 5 to 10 mph SE | 10% |
| Monday | 98°F | Mostly Sunny | 5 mph ESE | 10% |
| Monday Night | 77°F | Mostly Clear | 0 to 5 mph SE | 9% |
| Tuesday | 98°F | Sunny | 0 to 10 mph ENE | 10% |
| Tuesday Night | 78°F | Slight Chance Showers And Thunderstorms | 0 to 10 mph E | 18% |
| Wednesday | 98°F | Mostly Sunny | 5 to 10 mph ENE | 14% |
| Wednesday Night | 78°F | Partly Cloudy | 0 to 10 mph E | 11% |
| Thursday | 97°F | Mostly Sunny | 5 to 10 mph ENE | 8% |
| Thursday Night | 77°F | Partly Cloudy | 5 to 10 mph E | 9% |
| Friday | 97°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph ENE | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for San Antonio, TX
Last spring frost
Feb 25
First fall frost
Nov 28
Growing season
277 days
Hardiness zone
9a
Explore more for San Antonio, TX: full frost dates · planting calendar · Texas frost dates
Climate data from the nearest NOAA station, San Antonio Incarnate Word, Tx (3.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.