Today | Weather | Thursday, October 30, 2025

Weather in Round Rock, Texas

01:33 PM

Now

68° F

Feels Like 72°

Precipitation 0 %

Wind 6 mph

UV Index (0 - 11+) 4

Humidity 30 %

Today

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 October 30, 2025 12:45 PM

Weather Forecast History

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

Day

90°

Night

72°

Wind

9 mph

Precipitation

Air Quality in Round Rock

NOW

45 AQI

Good air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 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

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 – 2.17 µg/m³

PM₁₀ – 3.98 µg/m³

O₃ – 95.42 µg/m³

NO₂ – 2.77 µg/m³

SO₂ – 1.6 µg/m³

CO – 120.42 µg/m³

NH₃ – 0.96 µg/m³

NO – 0.75 µg/m³

View Hourly Air Quality Forecast