Hourly Weather in Portland, Oregon, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
12 mph
Breezy
11 mph
Breezy
11 mph
Breezy
11 mph
Breezy
10 mph
Breezy
10 mph
Breezy
9 mph
Light
10 mph
Breezy
11 mph
Breezy
Humidity
62%
Humid
64%
Humid
58%
Comfortable
62%
Humid
65%
Humid
68%
Humid
71%
Extremely humid
73%
Extremely humid
65%
Humid
Visibility
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
Pressure
1016 hPa
Normal
1017 hPa
Normal
1016 hPa
Normal
1016 hPa
Normal
1016 hPa
Normal
1016 hPa
Normal
1016 hPa
Normal
1016 hPa
Normal
1017 hPa
Normal
Clouds
100%
75%
26%
51%
50%
10%
80%
100%
100%
Dew point
37°
37°
36°
37°
38°
39°
39°
39°
39°
UV Index
0
0
0
0
0
0
0
0
0
Air quality
37
Good
37
Good
37
Good
36
Good
34
Good
33
Good
31
Good
29
Good
29
Good
Pollen index
Tree
4 / 5
2 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
Weed
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Grass
2 / 5
2 / 5
2 / 5
1 / 5
1 / 5
1 / 5
2 / 5
2 / 5
1 / 5
Pollutants
Low risk
High risk
PM10
0.07 μg/ft3
0.06 μg/ft3
0.06 μg/ft3
0.05 μg/ft3
0.05 μg/ft3
0.05 μg/ft3
0.05 μg/ft3
0.04 μg/ft3
0.04 μg/ft3
PM25
0.05 μg/ft3
0.04 μg/ft3
0.04 μg/ft3
0.04 μg/ft3
0.04 μg/ft3
0.03 μg/ft3
0.03 μg/ft3
0.03 μg/ft3
0.03 μg/ft3
NO2
1.11 ppb
1.16 ppb
1.21 ppb
1.25 ppb
1.29 ppb
1.33 ppb
1.37 ppb
1.26 ppb
1.15 ppb
SO2
0.14 ppb
0.15 ppb
0.16 ppb
0.17 ppb
0.18 ppb
0.19 ppb
0.2 ppb
0.21 ppb
0.22 ppb
CO
0.12 ppb
0.12 ppb
0.12 ppb
0.12 ppb
0.12 ppb
0.12 ppb
0.12 ppb
0.12 ppb
0.13 ppb
O3
40.88 ppb
38.97 ppb
37.07 ppb
35.17 ppb
33.19 ppb
31.21 ppb
29.24 ppb
29.63 ppb
30.01 ppb