San Antonio, TX Weather & Growing Conditions
This Afternoon
79°F
Sunny
Sunny, with a high near 79. East wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 79°F | Sunny | 5 mph E | 0% |
| Tonight | 55°F | Mostly Clear | 0 to 5 mph ESE | 0% |
| Thursday | 80°F | Mostly Sunny | 0 to 5 mph SE | 1% |
| Thursday Night | 58°F | Partly Cloudy | 0 to 20 mph NE | 8% |
| Friday | 75°F | Sunny | 10 to 20 mph N | 0% |
| Friday Night | 55°F | Partly Cloudy | 5 to 15 mph NNE | 1% |
| Saturday | 69°F | Partly Sunny then Chance Rain Showers | 15 mph NNE | 37% |
| Saturday Night | 53°F | Chance Rain Showers | 10 to 20 mph NNE | 54% |
| Sunday | 65°F | Chance Showers And Thunderstorms | 10 to 20 mph NNE | 54% |
| Sunday Night | 50°F | Chance Rain Showers | 0 to 5 mph NNE | 26% |
| Monday | 66°F | Slight Chance Rain Showers | 5 mph NNE | 17% |
| Monday Night | 50°F | Partly Cloudy | 0 to 5 mph NNE | 5% |
| Tuesday | 70°F | Mostly Sunny | 0 to 5 mph ENE | 8% |
| Tuesday Night | 52°F | Partly Cloudy | 0 to 5 mph ESE | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for San Antonio, TX
Last spring frost
Feb 20
First fall frost
Dec 3
Growing season
291 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 Stinson Ap, Tx (5.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.