Today | Weather | Friday, August 22, 2025

Weather in Thornton, Colorado

08:09 PM

Now

70° F

Feels Like 63°

Precipitation 51 %

Wind 8 mph

Humidity 72 %

Today

Day 79°

Night 61°

Precipitation 55 %

Wind 7 mph

Thornton Weather Forecast Updated

2 minutes ago

Last updated on August 22, 2025 8:06 PM

Last Year's Weather on This Day (August 22, 2024)

86°

63°

8 mph

NOW

83 AQI

Moderate air quality Dominant pollutant: O3

PM2.5 7.85 µg/m³

PM10 25.82 µg/m³

O₃ 54.44 ppb

NO₂ 5.26 ppb

SO₂ 0.41 ppb

CO 159.36 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 is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.