Today | Weather | Friday, August 14, 2026

Weather in San Antonio, Texas

12:01 PM
Now
Cloudy Weather
91° F
Feels Like 104°
Precipitation 0 %
Wind 10 mph
UV Index (0 - 11+) 9
Humidity 54 %
Today
Cloudy Weather
Day 97°
Night 79°
Precipitation 25 %
Wind 13 mph
UV Index (0 - 11+) 10

Warning: High UV Index Today: 10

High risk of harm from unprotected sun exposure. Take precautions: wear a hat, sunglasses, and apply sunscreen regularly if you’ll be outdoors for extended periods.

San Antonio Weather Forecast Updated

38 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (August 14, 2025)
Cloudy Night

Day

100°

Night

79°

Wind

10 mph

Precipitation

7 %

Air Quality in San Antonio

NOW
19 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.04 µg/m³
PM10 2.28 µg/m³
O3 0.021 ppm
NO2 0.2 ppb
SO2 0.1 ppb
CO 0.09 ppm
NH3 0.25 µg/m³
NO 0.09 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)
PM2.51.04 µg/m³
PM102.28 µg/m³
O341.28 µg/m³
NO20.34 µg/m³
SO20.27 µg/m³
CO97.87 µg/m³
NH30.25 µg/m³
NO0.09 µg/m³