Today | Weather | Thursday, October 30, 2025

Weather in Round Rock, Texas

01:33 PM
Now
Sunny Weather
68° F
Feels Like 72°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 4
Humidity 30 %
Today
Sunny Weather
Day 72°
Night 45°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 4

Round Rock Weather Forecast Updated

47 minutes ago
Last updated on

Weather Forecast History

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

Cloudy Weather

Day

90°

Night

72°

Wind

9 mph

Precipitation

25

Air Quality in Round Rock

NOW
45 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.17 µg/m³
PM10 3.98 µg/m³
O3 0.049 ppm
NO2 1.5 ppb
SO2 0.6 ppb
CO 0.11 ppm
NH3 0.96 µg/m³
NO 0.75 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)
PM2.52.17 µg/m³
PM103.98 µg/m³
O395.42 µg/m³
NO22.77 µg/m³
SO21.6 µg/m³
CO120.42 µg/m³
NH30.96 µg/m³
NO0.75 µg/m³