San Antonio Humidity
United States · Thursday, March 12, 2026
Real-time Air Quality Index (AQI)
San Antonio Weather & Air Quality Overview
San Antonio is a city in United States, located in the Northern Hemisphere at coordinates 29.42°N, 98.49°W. With a population of approximately 2.6 million, it is one of the notable urban centers in Americas. San Antonio experiences a subtropical climate. This page provides real-time temperature, humidity, wind speed, UV index, air quality monitoring, and a detailed 10-day weather forecast for San Antonio, United States.
Right now in San Antonio, the temperature is 11°C (feels like 5°C) with clear sky. Humidity is at 39%. Winds are blowing at 22 km/h. Today's high is expected to reach 21°C and the low will be around 9°C.
The current Air Quality Index (AQI) in San Antonio is 25, rated as Good. The dominant pollutant is O3.
- Today's high in San Antonio: 21°C
- Humidity in San Antonio: 39%
- Current AQI in San Antonio: 25 (Good)
- Wind in San Antonio: 22 km/h
Weather in San Antonio and the San Antonio forecast are updated every few minutes. For more cities, see our weather directory and global AQI map, or check city AQI rankings and weather guides.
Data updates every few minutes. Weather powered by Open-Meteo. Air quality from multiple monitoring networks.