Today | Weather | Monday, April 6, 2026

Weather in Round Rock, Texas

05:01 AM
Now
Cloudy Weather
50° F
Feels Like 46°
Precipitation 6 %
Wind 7 mph
Humidity 83 %
Today
Cloudy Weather
Day 73°
Night 50°
Precipitation 2 %
Wind 8 mph
UV Index (0 - 11+) 9

Warning: High UV Index Today: 9

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.

Round Rock Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (April 6, 2025)
Cloudy Weather

Day

55°

Night

39°

Wind

16 mph

UV Index

3

Precipitation

1 %

Air Quality in Round Rock

NOW
43 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.32 µg/m³
PM10 3.16 µg/m³
O3 0.047 ppm
NO2 1.3 ppb
SO2 0.4 ppb
CO 0.12 ppm
NH3 3.17 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)
PM2.52.32 µg/m³
PM103.16 µg/m³
O391.31 µg/m³
NO22.46 µg/m³
SO20.96 µg/m³
CO139.85 µg/m³
NH33.17 µg/m³
NO0 µg/m³