Today | Weather | Sunday, April 26, 2026

Weather in Peoria, Illinois

09:14 AM
Now
Sunny Weather
52° F
Feels Like 52°
Precipitation 0 %
Wind 9 mph
UV Index (0 - 11+) 3
Humidity 95 %
Today
Cloudy Weather
Day 77°
Night 59°
Precipitation 2 %
Wind 10 mph
UV Index (0 - 11+) 8

Warning: High UV Index Today: 8

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.

Peoria Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (April 26, 2025)
Cloudy Weather

Day

66°

Night

41°

Wind

8 mph

UV Index

8

Precipitation

0 %

Air Quality in Peoria

NOW
33 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 6.7 µg/m³
PM10 7.29 µg/m³
O3 0.036 ppm
NO2 1.5 ppb
SO2 0.2 ppb
CO 0.16 ppm
NH3 3.7 µg/m³
NO 0.64 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)
PM2.56.7 µg/m³
PM107.29 µg/m³
O370.28 µg/m³
NO22.82 µg/m³
SO20.59 µg/m³
CO177.68 µg/m³
NH33.7 µg/m³
NO0.64 µg/m³