Hourly Weather | Today Thursday, February 5, 2026
Active Weather Warnings
Gresham, Oregon
5 PM
Cloudy Weather
52°
Feels Like 43°
0
Humidity: 70%
UV Index: 0
Wind: 15 mph
6 PM
Cloudy Night
50°
Feels Like 41°
0
Humidity: 70%
UV Index: 0
Wind: 15 mph
7 PM
Cloudy Night
48°
Feels Like 39°
0
Humidity: 73%
UV Index: 0
Wind: 15 mph
8 PM
Cloudy Night
48°
Feels Like 39°
0
Humidity: 75%
UV Index: 0
Wind: 14 mph
9 PM
Cloudy Night
46°
Feels Like 37°
0
Humidity: 76%
UV Index: 0
Wind: 14 mph
10 PM
Cloudy Night
46°
Feels Like 37°
0
Humidity: 78%
UV Index: 0
Wind: 13 mph
11 PM
Cloudy Night
45°
Feels Like 36°
0
Humidity: 80%
UV Index: 0
Wind: 13 mph

Hourly Air Quality Forecast - AQI (US EPA)

5 PM
18 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.41 µg/m³
  • PM10: 6.23 µg/m³
  • O3: 0.018 ppm
  • NO2: 3.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.19 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

6 PM
21 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.96 µg/m³
  • PM10: 7.08 µg/m³
  • O3: 0.013 ppm
  • NO2: 5.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.21 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

7 PM
23 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.58 µg/m³
  • PM10: 8.07 µg/m³
  • O3: 0.009 ppm
  • NO2: 6.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.23 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

8 PM
25 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.99 µg/m³
  • PM10: 8.48 µg/m³
  • O3: 0.008 ppm
  • NO2: 7.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.23 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 PM
26 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.25 µg/m³
  • PM10: 8.78 µg/m³
  • O3: 0.007 ppm
  • NO2: 7.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.24 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 PM
27 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.49 µg/m³
  • PM10: 9.11 µg/m³
  • O3: 0.008 ppm
  • NO2: 7.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.24 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 PM
28 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.81 µg/m³
  • PM10: 9.33 µg/m³
  • O3: 0.009 ppm
  • NO2: 7.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.24 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Weather Alerts and Warnings for Gresham

Moderate Expected Likely

Wind Advisory

Wind Advisory issued February 5 at 12:39PM PST until February 5 at 6:00PM PST by NWS Portland OR
Feb 5, 12:39 PM Feb 5, 6:00 PM
WHAT: East winds 20 to 30 mph with gusts up to 40 to 45 mph
expected.

WHERE: Eastern Portland/Vancouver Metro Near The Gorge.

WHEN: Until 6 PM PST this evening.

IMPACTS: Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
+ Read More
Secure outdoor objects. Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects such as garbage cans and other objects that can easily blow around.
Updated: Feb 5, 3:38 PM Source: NWS Alert