Today | Weather | Sunday, December 14, 2025

Weather in San Antonio, Texas

07:15 AM
Now
Cloudy Weather
59° F
Feels Like 52°
Precipitation 0 %
Wind 18 mph
Humidity 65 %
Today
Cloudy Weather
Day 57°
Night 37°
Precipitation 6 %
Wind 17 mph
UV Index (0 - 11+) 2

San Antonio Weather Forecast Updated

50 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (December 14, 2024)
Rainy Night

Day

79°

Night

66°

Wind

6 mph

Precipitation

80 %

Air Quality in San Antonio

NOW
20 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 3.98 µg/m³
PM10 5.41 µg/m³
O3 0.021 ppm
NO2 2.1 ppb
SO2 0.2 ppb
CO 0.14 ppm
NH3 0.17 µg/m³
NO 0 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)
PM2.53.98 µg/m³
PM105.41 µg/m³
O341.61 µg/m³
NO23.96 µg/m³
SO20.45 µg/m³
CO161.6 µg/m³
NH30.17 µg/m³
NO0 µg/m³