Today | Weather | Tuesday, September 23, 2025

Weather in Aurora, Illinois

03:14 AM

Now

63° F

Feels Like 64°

Precipitation 47 %

Wind 5 mph

Humidity 99 %

Today

Day 79°

Night 63°

Precipitation 55 %

Wind 10

UV Index (0 - 11+) 10

Warning: High UV Index Today: 10

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.

Aurora Weather Forecast Updated

Last updated on September 23, 2025 2:13 AM

Weather Forecast History

Last Year's Weather on This Day (September 23, 2024)

Day

66°

Night

59°

Wind

4 mph

Precipitation

Air quality in Aurora

NOW

54 AQI

Moderate air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 23.30 µg/m³

PM10 23.48 µg/m³

O₃ 11.27 ppb

NO₂ 28.93 ppb

SO₂ 1.34 ppb

CO 354.34 ppb

PM_2.5 – Fine particles <2.5μm

PM₁₀ – Inhalable particles <10μm

O₃ – Ozone

NO₂ – Nitrogen dioxide

SO₂ – Sulfur dioxide

CO – Carbon monoxide

Health Recommendations:

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

View Hourly Air Quality Forecast