Today | Weather | Saturday, August 30, 2025

Weather in Rialto, California

08:11 PM

Now

88° F

Feels Like 84°

Precipitation 0 %

Wind 7 mph

Humidity 29 %

Today

Day 97°

Night 70°

Precipitation 0 %

Wind 4 mph

Other:

Clear.

Rialto Weather Forecast Updated

Last updated on August 30, 2025 7:09 PM

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

88°

61°

NOW

129 AQI

Unhealthy air quality for sensitive groups Dominant pollutant: O3

PM2.5 13.75 µg/m³

PM10 53.89 µg/m³

O₃ 63.81 ppb

NO₂ 11.25 ppb

SO₂ 1.93 ppb

CO 177.56 ppb

PM_2.5 – Fine particles <2.5μm

PM₁₀ – Inhalable particles <10μm

O₃ – Ozone

NO₂ – Nitrogen dioxide

SO₂ – Sulfur dioxide

CO – Carbon monoxide

Air quality may be unhealthy for sensitive groups. The general public is not likely to be affected.