Today | Weather | Thursday, April 2, 2026

Weather in San Antonio, Texas

02:10 AM
Now
Cloudy Weather
72° F
Feels Like 70°
Precipitation 6 %
Wind 14 mph
Humidity 84 %
Today
Stormy Weather
Day 90°
Night 70°
Precipitation 55 %
Wind 13 mph
UV Index (0 - 11+) 3

San Antonio Weather Forecast Updated

40 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (April 2, 2025)
Cloudy Weather

Day

90°

Night

73°

Wind

8 mph

UV Index

6

Precipitation

40 %

Air Quality in San Antonio

NOW
24 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.83 µg/m³
PM10 7.36 µg/m³
O3 0.025 ppm
NO2 0.5 ppb
SO2 0.3 ppb
CO 0.09 ppm
NH3 1.76 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)
PM2.52.83 µg/m³
PM107.36 µg/m³
O349.83 µg/m³
NO21 µg/m³
SO20.67 µg/m³
CO105.97 µg/m³
NH31.76 µg/m³
NO0 µg/m³