Today | Weather | Wednesday, December 10, 2025

Weather in San Antonio, Texas

02:11 PM
Now
Sunny Weather
79° F
Feels Like 79°
Precipitation 0 %
Wind 12 mph
UV Index (0 - 11+) 3
Humidity 26 %
Today
Sunny Weather
Day 79°
Night 43°
Precipitation 0 %
Wind 8 mph
UV Index (0 - 11+) 3

San Antonio Weather Forecast Updated

16 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (December 10, 2024)
Night

Day

63°

Night

41°

Wind

9 mph

Precipitation

0 %

Air Quality in San Antonio

NOW
60 AQI
Moderate air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 16.81 µg/m³
PM10 26.89 µg/m³
O3 0.048 ppm
NO2 0.5 ppb
SO2 0.7 ppb
CO 0.16 ppm
NH3 0.36 µg/m³
NO 0.15 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 acceptable; however, for some pollutants, there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.

Show raw pollutant concentrations (µg/m³)
PM2.516.81 µg/m³
PM1026.89 µg/m³
O394.04 µg/m³
NO20.92 µg/m³
SO21.82 µg/m³
CO183.37 µg/m³
NH30.36 µg/m³
NO0.15 µg/m³