Today | Weather | Tuesday, April 7, 2026

Weather in Portland, Oregon

11:23 AM
Now
Cloudy Weather
54° F
Feels Like 61°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 4
Humidity 57 %
Today
Cloudy Weather
Day 64°
Night 41°
Precipitation 3 %
Wind 5 mph
UV Index (0 - 11+) 5

Portland Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (April 7, 2025)
Rainy Weather

Day

57°

Night

50°

Wind

8 mph

UV Index

1

Precipitation

100 %

Air Quality in Portland

NOW
21 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 3.69 µg/m³
PM10 6.26 µg/m³
O3 0.023 ppm
NO2 1.5 ppb
SO2 0.2 ppb
CO 0.12 ppm
NH3 0.38 µg/m³
NO 0.58 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)
PM2.53.69 µg/m³
PM106.26 µg/m³
O345.33 µg/m³
NO22.79 µg/m³
SO20.59 µg/m³
CO141.76 µg/m³
NH30.38 µg/m³
NO0.58 µg/m³