Today | Weather | Thursday, October 30, 2025

Weather in San Antonio, Texas

01:33 PM
Now
Sunny Weather
72° F
Feels Like 77°
Precipitation 0 %
Wind 5 mph
UV Index (0 - 11+) 4
Humidity 12 %
Today
Sunny Weather
Day 75°
Night 46°
Precipitation 0 %
Wind 5 mph
UV Index (0 - 11+) 5

San Antonio Weather Forecast Updated

6 minutes ago
Last updated on

Weather Forecast History

Last Year's Weather on This Day (October 30, 2024)

Cloudy Night

Day

88°

Night

72°

Wind

9 mph

Precipitation

23

Air Quality in San Antonio

NOW
44 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.36 µg/m³
PM10 2.89 µg/m³
O3 0.047 ppm
NO2 0.3 ppb
SO2 0.2 ppb
CO 0.09 ppm
NH3 0.71 µg/m³
NO 0.14 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.51.36 µg/m³
PM102.89 µg/m³
O392.86 µg/m³
NO20.58 µg/m³
SO20.51 µg/m³
CO102.98 µg/m³
NH30.71 µg/m³
NO0.14 µg/m³