San Antonio, TX Weather & Growing Conditions
Overnight
56°F
Clear
Clear, with a low around 56. North wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Clear | 5 mph N | 0% |
| Wednesday | 75°F | Sunny | 0 to 5 mph NE | 0% |
| Wednesday Night | 56°F | Clear | 0 to 5 mph E | 0% |
| Thursday | 79°F | Sunny | 0 to 5 mph SSE | 0% |
| Thursday Night | 60°F | Partly Cloudy | 0 to 20 mph NE | 2% |
| Friday | 74°F | Sunny | 5 to 15 mph N | 0% |
| Friday Night | 56°F | Partly Cloudy | 5 to 15 mph NNE | 0% |
| Saturday | 68°F | Partly Sunny then Slight Chance Rain Showers | 10 to 15 mph NNE | 18% |
| Saturday Night | 54°F | Chance Rain Showers | 5 to 15 mph NNE | 29% |
| Sunday | 67°F | Slight Chance Rain Showers then Partly Sunny | 5 to 15 mph NNE | 15% |
| Sunday Night | 50°F | Partly Cloudy | 0 to 5 mph NNE | 6% |
| Monday | 68°F | Sunny | 0 to 5 mph ENE | 5% |
| Monday Night | 51°F | Partly Cloudy | 0 mph | 4% |
| Tuesday | 70°F | Mostly Sunny | 0 to 5 mph ESE | 5% |
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 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.