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Today | Weather | Thursday, September 4, 2025

Weather in Gresham, Oregon

12:41 PM
Now
Cloudy WeatherCloudy weather, overcast skies with clouds.
79° F
Feels Like 84°
Precipitation 18 %
Wind 6 mph
UV Index (0 - 11+) 11
Humidity 60 %
Today
Partly Sunny with ShowersPartly sunny weather with scattered clouds and occasional rain showers.
Day 88°
Night 63°
Precipitation 70 %
Wind 5 mph
UV Index (0 - 11+) 11

Warning: Extreme UV Index Today: 11+

Overexposure to the sun's harmful UV rays can cause sunburn and increase the risk of developing skin cancer, including melanoma. Protect yourself by wearing clothing that covers your skin, sunglasses, and a hat. Apply a broad-spectrum sunscreen with an SPF of 30 or higher every two hours, even on cloudy days. Minimize direct sun exposure during peak hours (10 AM to 4 PM) to reduce the risk.

Gresham Weather Forecast Updated

Last updated on

Air quality in Gresham

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

Pollutant Concentrations:

PM2.5 14.67 µg/m³
PM10 15.13 µg/m³
O₃ 57.10 ppb
NO₂ 3.14 ppb
SO₂ 1.12 ppb
CO 205.94 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.

View Hourly Air Quality Forecast