Hourly Weather in Portland, Oregon, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
11 mph
Breezy
11 mph
Breezy
11 mph
Breezy
11 mph
Breezy
11 mph
Breezy
10 mph
Light
9 mph
Light
8 mph
Light
9 mph
Light
Humidity
81%
Extremely humid
80%
Extremely humid
80%
Extremely humid
80%
Extremely humid
80%
Extremely humid
83%
Extremely humid
83%
Extremely humid
84%
Extremely humid
85%
Extremely humid
Visibility
6 mi
Fair
5 mi
Fair
5 mi
Fair
6 mi
Fair
7 mi
Good
10 mi
Good
10 mi
Good
8 mi
Good
6 mi
Fair
Pressure
1011 hPa
Normal
1011 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
1009 hPa
Normal
1009 hPa
Low
1008 hPa
Low
1008 hPa
Low
Clouds
100%
100%
100%
100%
100%
100%
100%
100%
100%
Dew point
46°
46°
46°
46°
46°
46°
45°
45°
45°
UV Index
1
1
1
0
0
0
0
0
0
Air quality
21
Good
22
Good
22
Good
23
Good
23
Good
24
Good
24
Good
24
Good
22
Good
Pollen index
Tree
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Weed
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Grass
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Pollutants
Low risk
High risk
PM10
0.11 μg/ft3
0.10 μg/ft3
0.09 μg/ft3
0.08 μg/ft3
0.07 μg/ft3
0.08 μg/ft3
0.10 μg/ft3
0.11 μg/ft3
0.12 μg/ft3
PM25
0.08 μg/ft3
0.07 μg/ft3
0.06 μg/ft3
0.06 μg/ft3
0.05 μg/ft3
0.05 μg/ft3
0.07 μg/ft3
0.08 μg/ft3
0.08 μg/ft3
NO2
5.96 ppb
4.96 ppb
3.96 ppb
4.3 ppb
4.63 ppb
4.97 ppb
6.54 ppb
8.11 ppb
9.68 ppb
SO2
0.6 ppb
0.58 ppb
0.55 ppb
0.51 ppb
0.47 ppb
0.43 ppb
0.41 ppb
0.4 ppb
0.39 ppb
CO
0.18 ppb
0.17 ppb
0.16 ppb
0.16 ppb
0.16 ppb
0.17 ppb
0.18 ppb
0.2 ppb
0.21 ppb
O3
23.06 ppb
24.83 ppb
26.61 ppb
26.85 ppb
27.1 ppb
27.35 ppb
25.19 ppb
23.03 ppb
20.87 ppb