Today | Weather | Tuesday, September 2, 2025

Weather in Hillsboro, Oregon

10:46 PM
Now
Rainy WeatherRainy weather, precipitation in the form of water droplets falling from the sky.
75° F
Feels Like 73°
Precipitation 42 %
Wind 5 mph
Humidity 62 %
Today
Cloudy NightCloudy night, overcast skies at night with no rain.
Day 91°
Night 63°
Precipitation 49 %
Wind 5 mph

Hillsboro Weather Forecast Updated

39 minutes ago
Last updated on

Air quality in Hillsboro

NOW
52 AQI
Moderate air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 16.12 µg/m³
PM10 16.61 µg/m³
O₃ 28.77 ppb
NO₂ 8.92 ppb
SO₂ 0.50 ppb
CO 246.14 ppb
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.