Today | Weather | Tuesday, June 9, 2026

Weather in Elgin, Illinois

05:34 PM
Now
Cloudy Weather
84° F
Feels Like 90°
Precipitation 20 %
Wind 9 mph
UV Index (0 - 11+) 2
Humidity 65 %
Today
Sunny with a Chance of Thunderstorms
Day 86°
Night 68°
Precipitation 55 %
Wind 8 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.

Elgin Weather Forecast Updated

35 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (June 9, 2025)
Sunny with a Chance of Thunderstorms

Day

70°

Night

50°

Wind

14 mph

UV Index

7

Precipitation

60 %

Air Quality in Elgin

NOW
33 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 3.29 µg/m³
PM10 3.45 µg/m³
O3 0.036 ppm
NO2 1 ppb
SO2 0.6 ppb
CO 0.11 ppm
NH3 0.93 µg/m³
NO 0.26 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)
PM2.53.29 µg/m³
PM103.45 µg/m³
O370.1 µg/m³
NO21.83 µg/m³
SO21.63 µg/m³
CO123.83 µg/m³
NH30.93 µg/m³
NO0.26 µg/m³