Today | Weather | Wednesday, March 18, 2026

Weather in Beaverton, Oregon

09:20 AM
Now
Cloudy Weather
48° F
Feels Like 46°
Precipitation 4 %
Wind 6 mph
UV Index (0 - 11+) 1
Humidity 91 %
Today
Cloudy Weather
Day 68°
Night 48°
Precipitation 17 %
Wind 7 mph
UV Index (0 - 11+) 2

Beaverton Weather Forecast Updated

1 minute ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (March 18, 2025)
Rainy Weather

Day

54°

Night

39°

Wind

4 mph

UV Index

2

Precipitation

87 %

Air Quality in Beaverton

NOW
14 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.85 µg/m³
PM10 3.19 µg/m³
O3 0.016 ppm
NO2 1.8 ppb
SO2 0 ppb
CO 0.12 ppm
NH3 0.33 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)
PM2.51.85 µg/m³
PM103.19 µg/m³
O330.63 µg/m³
NO23.33 µg/m³
SO20.11 µg/m³
CO135.04 µg/m³
NH30.33 µg/m³
NO0.26 µg/m³