Today | Weather | Monday, June 29, 2026

Weather in Portland, Oregon

07:52 PM
Now
Cloudy Weather
63° F
Feels Like 61°
Precipitation 3 %
Wind 7 mph
UV Index (0 - 11+) 0
Humidity 65 %
Today
Cloudy Night
Day 64°
Night 55°
Precipitation 8 %
Wind 6 mph

Portland Weather Forecast Updated

38 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (June 29, 2025)
Sunny Weather

Day

90°

Night

61°

Wind

8 mph

UV Index

9

Precipitation

0 %

Air Quality in Portland

NOW
29 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.17 µg/m³
PM10 5.95 µg/m³
O3 0.031 ppm
NO2 0.5 ppb
SO2 0.2 ppb
CO 0.07 ppm
NH3 0.13 µg/m³
NO 0.03 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)
PM2.52.17 µg/m³
PM105.95 µg/m³
O360.9 µg/m³
NO20.87 µg/m³
SO20.46 µg/m³
CO84.22 µg/m³
NH30.13 µg/m³
NO0.03 µg/m³