San Antonio, Weather & Growing Conditions
Today
88°F
Haze
Haze and isolated rain showers. Mostly sunny. High near 88, with temperatures falling to around 84 in the afternoon. Heat index values as high as 102. East northeast wind around 16 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Haze | 16 mph ENE | 10% |
| Tonight | 75°F | Scattered Rain Showers | 12 to 16 mph E | 40% |
| Wednesday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 9 to 13 mph ENE | 60% |
| Wednesday Night | 73°F | Scattered Rain Showers then Mostly Clear | 10 mph E | 40% |
| Thursday | 87°F | Mostly Sunny then Scattered Rain Showers | 9 to 15 mph E | 30% |
| Thursday Night | 73°F | Isolated Rain Showers then Mostly Clear | 9 to 16 mph E | 6% |
| Friday | 88°F | Sunny then Isolated Rain Showers | 15 mph ENE | 6% |
| Friday Night | 75°F | Isolated Rain Showers | 10 to 15 mph E | 7% |
| Saturday | 89°F | Isolated Rain Showers | 10 to 16 mph ENE | 9% |
| Saturday Night | 76°F | Isolated Rain Showers | 10 to 17 mph E | 10% |
| Sunday | 92°F | Sunny then Isolated Rain Showers | 9 to 21 mph E | 20% |
| Sunday Night | 75°F | Clear | 10 to 20 mph E | 0% |
| Monday | 90°F | Sunny then Isolated Rain Showers | 10 to 21 mph ENE | 10% |
| Monday Night | 75°F | Mostly Clear | 14 to 21 mph E | 2% |
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, Borinquen Ap, Pr Rq (2.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.