Today | Weather | Wednesday, July 15, 2026

Weather in Peoria, Illinois

05:52 PM
Now
Cloudy Weather
91° F
Feels Like 100°
Precipitation 0 %
Wind 4 mph
UV Index (0 - 11+) 2
Humidity 56 %
Today
Cloudy Weather
Day 93°
Night 72°
Precipitation 1 %
Wind 4 mph
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.

Peoria Weather Forecast Updated

52 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (July 15, 2025)
Sunny with a Chance of Thunderstorms

Day

91°

Night

73°

Wind

6 mph

UV Index

9

Precipitation

40 %

Air Quality in Peoria

NOW
47 AQI
Good air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 11.27 µg/m³
PM10 11.55 µg/m³
O3 0.051 ppm
NO2 0.9 ppb
SO2 0.6 ppb
CO 0.10 ppm
NH3 0.04 µg/m³
NO 0.22 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)
PM2.511.27 µg/m³
PM1011.55 µg/m³
O3100.28 µg/m³
NO21.63 µg/m³
SO21.55 µg/m³
CO113.92 µg/m³
NH30.04 µg/m³
NO0.22 µg/m³