Today | Weather | Tuesday, September 23, 2025

Weather in Aurora, Illinois

04:27 AM

Now

64° F

Feels Like 61°

Precipitation 51 %

Wind 4 mph

Humidity 95 %

Today

Day 79°

Night 61°

Precipitation 55 %

Wind 10

UV Index (0 - 11+) 11

Warning: Extreme UV Index Today: 11+

Overexposure to the sun's harmful UV rays can cause sunburn and increase the risk of developing skin cancer, including melanoma. Protect yourself by wearing clothing that covers your skin, sunglasses, and a hat. Apply a broad-spectrum sunscreen with an SPF of 30 or higher every two hours, even on cloudy days. Minimize direct sun exposure during peak hours (10 AM to 4 PM) to reduce the risk.

Aurora Weather Forecast Updated

41 minutes ago

Last updated on September 23, 2025 3:46 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

56 AQI

Moderate air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 25.40 µg/m³

PM10 25.54 µg/m³

O₃ 10.86 ppb

NO₂ 28.77 ppb

SO₂ 1.31 ppb

CO 347.56 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