Today | Weather | Thursday, September 3, 2026

Weather in Austin, Texas

01:06 PM
Now
Sunny with a Chance of Thunderstorms
99° F
Feels Like 106°
Precipitation 51 %
Wind 8 mph
UV Index (0 - 11+) 5
Humidity 46 %
Today
Sunny with a Chance of Thunderstorms
Day 102°
Night 79°
Precipitation 55 %
Wind 8 mph
UV Index (0 - 11+) 8

Warning: High UV Index Today: 8

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.

Austin Weather Forecast Updated

8 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (September 3, 2025)
Night

Day

99°

Night

68°

Wind

4 mph

Precipitation

0 %

Air Quality in Austin

NOW
29 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 4.15 µg/m³
PM10 7.26 µg/m³
O3 0.031 ppm
NO2 0.6 ppb
SO2 0.8 ppb
CO 0.09 ppm
NH3 0.15 µg/m³
NO 0.27 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)
PM2.54.15 µg/m³
PM107.26 µg/m³
O360.67 µg/m³
NO21.14 µg/m³
SO22.01 µg/m³
CO105.86 µg/m³
NH30.15 µg/m³
NO0.27 µg/m³