Today | Weather | Tuesday, June 9, 2026

Weather in Portland, Oregon

04:58 PM
Now
Cloudy Weather
64° F
Feels Like 63°
Precipitation 40 %
Wind 9 mph
UV Index (0 - 11+) 2
Humidity 56 %
Today
Partly Sunny with Showers
Day 64°
Night 52°
Precipitation 91 %
Wind 12 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.

Portland Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (June 9, 2025)
Cloudy Weather

Day

97°

Night

57°

Wind

6 mph

UV Index

9

Precipitation

1 %

Air Quality in Portland

NOW
31 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 0.72 µg/m³
PM10 1.69 µg/m³
O3 0.034 ppm
NO2 0.3 ppb
SO2 0.1 ppb
CO 0.09 ppm
NH3 0.11 µg/m³
NO 0.08 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)
PM2.50.72 µg/m³
PM101.69 µg/m³
O366.57 µg/m³
NO20.56 µg/m³
SO20.27 µg/m³
CO99.35 µg/m³
NH30.11 µg/m³
NO0.08 µg/m³