Today | Weather | Thursday, October 30, 2025

Weather in San Antonio, Texas

01:33 PM

Now

72° F

Feels Like 77°

Precipitation 0 %

Wind 5 mph

UV Index (0 - 11+) 4

Humidity 12 %

Today

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 October 30, 2025 1:27 PM

Weather Forecast History

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

Day

88°

Night

72°

Wind

9 mph

Precipitation

Air Quality in San Antonio

NOW

44 AQI

Good air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 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

PM_2.5 – 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)

PM_2.5 – 1.36 µg/m³

PM₁₀ – 2.89 µg/m³

O₃ – 92.86 µg/m³

NO₂ – 0.58 µg/m³

SO₂ – 0.51 µg/m³

CO – 102.98 µg/m³

NH₃ – 0.71 µg/m³

NO – 0.14 µg/m³

View Hourly Air Quality Forecast