Today's Weather Forecast - San Antonio
Today's weather in San Antonio. high 38°C (100°F), low 25°C (77°F). Overcast.
Today’s Hourly Weather Outlook
- Wind speed
- 9 km/h
- Rain probability
- 1%
- Wind speed
- 12 km/h
- Rain probability
- 8%
- Wind speed
- 22 km/h
- Rain probability
- 7%
- Wind speed
- 15 km/h
- Rain probability
- 2%
24-Hour Rain & Temperature Forecast
Sunrise & Sunset
Air Quality Index & Health Advice
Air Quality Index
- Air quality level
- Good
- Dominant pollutant
- Dominant: O3
- Monitoring station
- CPS Pecan Valley, San Antonio, Texas
- O₃
- 6.4ppb
5-Day Weather Forecast
Full 15-Day ForecastWeather Insight
San Antonio is forecast to reach a high of 38°C today, with an overnight low around 25°C. That's 5° above the long-term average high of 33°C for this time of year. It continues a recent pattern — 27 of the last 28 days with published data have run warmer than normal. Expect little chance of rain (8% probability) and moderate breezes averaging 22 km/h. Air quality is currently good (AQI 46), with no notable outdoor health concerns.
Today vs Normal
The long-term average high for today is 33°C.
27 of the last 28 days with published data ran above normal.
It continues that pattern - today's forecast is also running above normal.
Red = above normal, blue = at or below · last 12 days
Air Quality
Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.