San Antonio, TX Weather & Growing Conditions
This Afternoon
82°F
Sunny
Sunny. High near 82, with temperatures falling to around 77 in the afternoon. North northwest wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 82°F | Sunny | 10 mph NNW | 0% |
| Tonight | 53°F | Mostly Clear | 5 to 10 mph N | 0% |
| Wednesday | 75°F | Sunny | 0 to 10 mph NE | 0% |
| Wednesday Night | 53°F | Mostly Clear | 0 to 5 mph ESE | 0% |
| Thursday | 79°F | Mostly Sunny | 0 to 5 mph SSW | 2% |
| Thursday Night | 58°F | Partly Cloudy | 0 to 20 mph NNW | 2% |
| Friday | 74°F | Sunny | 10 to 15 mph N | 0% |
| Friday Night | 53°F | Partly Cloudy | 5 to 10 mph NNE | 3% |
| Saturday | 69°F | Slight Chance Rain Showers | 5 to 10 mph NNE | 20% |
| Saturday Night | 51°F | Mostly Cloudy | 5 to 10 mph N | 13% |
| Sunday | 70°F | Mostly Sunny | 5 to 10 mph NNE | 10% |
| Sunday Night | 49°F | Mostly Clear | 0 to 5 mph N | 5% |
| Monday | 71°F | Sunny | 5 mph ENE | 4% |
| Monday Night | 50°F | Mostly Clear | 0 to 5 mph ENE | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for San Antonio, TX
Last spring frost
Feb 26
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 Intl Ap, Tx (0.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.