San Antonio, Weather & Growing Conditions
Today
90°F
Haze
Haze and isolated rain showers. Mostly sunny. High near 90, with temperatures falling to around 86 in the afternoon. Heat index values as high as 108. East northeast wind 12 to 18 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 90°F | Haze | 12 to 18 mph ENE | 20% |
| Tonight | 76°F | Scattered Rain Showers | 7 to 14 mph E | 30% |
| Wednesday | 91°F | Scattered Rain Showers | 6 to 18 mph E | 30% |
| Wednesday Night | 76°F | Isolated Rain Showers | 6 to 14 mph ESE | 20% |
| Thursday | 90°F | Sunny then Isolated Rain Showers | 6 to 17 mph ESE | 20% |
| Thursday Night | 76°F | Isolated Rain Showers then Mostly Clear | 6 to 13 mph ESE | 6% |
| Friday | 90°F | Sunny then Isolated Rain Showers | 7 to 18 mph E | 10% |
| Friday Night | 76°F | Isolated Rain Showers | 7 to 15 mph E | 20% |
| Saturday | 92°F | Isolated Rain Showers then Sunny | 7 to 16 mph E | 5% |
| Saturday Night | 78°F | Isolated Rain Showers | 8 to 13 mph E | 10% |
| Sunday | 93°F | Scattered Rain Showers then Mostly Sunny | 8 to 20 mph E | 30% |
| Sunday Night | 77°F | Clear | 7 to 14 mph E | 0% |
| Monday | 92°F | Sunny | 7 to 20 mph E | 4% |
| Monday Night | 77°F | Isolated Rain Showers | 8 to 15 mph E | 7% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for San Antonio,
Growing season
365 days
Explore more for San Antonio, : full frost dates · planting calendar
Climate data from the nearest NOAA station, Dorado 2 Wnw, Pr Rq (3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.