Today | Weather | Thursday, May 21, 2026

Weather in Beaverton, Oregon

08:19 AM
Now
Sunny Weather
55° F
Feels Like 59°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 2
Humidity 74 %
Today
Cloudy Weather
Day 84°
Night 52°
Precipitation 1 %
Wind 8 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.

Beaverton Weather Forecast Updated

18 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (May 21, 2025)
Cloudy Weather

Day

68°

Night

50°

Wind

6 mph

UV Index

9

Precipitation

8 %

Air Quality in Beaverton

NOW
11 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.39 µg/m³
PM10 5.3 µg/m³
O3 0.012 ppm
NO2 0.9 ppb
SO2 0.1 ppb
CO 0.10 ppm
NH3 0.3 µg/m³
NO 0.7 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)
PM2.52.39 µg/m³
PM105.3 µg/m³
O323.54 µg/m³
NO21.77 µg/m³
SO20.21 µg/m³
CO115.74 µg/m³
NH30.3 µg/m³
NO0.7 µg/m³