Today | Weather | Monday, June 29, 2026

Weather in Kennewick, Washington

06:13 PM
Now
Cloudy Weather
82° F
Feels Like 81°
Precipitation 34 %
Wind 15 mph
UV Index (0 - 11+) 2
Humidity 33 %
Today
Partly Sunny with Showers
Day 84°
Night 61°
Precipitation 80 %
Wind 14 mph
UV Index (0 - 11+) 9

Warning: High UV Index Today: 9

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.

Kennewick Weather Forecast Updated

Last updated on

Air Quality in Kennewick

NOW
32 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.44 µg/m³
PM10 1.87 µg/m³
O3 0.035 ppm
NO2 0.3 ppb
SO2 0.1 ppb
CO 0.07 ppm
NH3 0.52 µg/m³
NO 0.1 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)
PM2.51.44 µg/m³
PM101.87 µg/m³
O368.32 µg/m³
NO20.58 µg/m³
SO20.18 µg/m³
CO78.83 µg/m³
NH30.52 µg/m³
NO0.1 µg/m³