Hourly Weather in Seattle, Washington, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
9 km/h
Light
9 km/h
Light
8 km/h
Light
8 km/h
Calm
9 km/h
Light
13 km/h
Light
13 km/h
Light
13 km/h
Light
14 km/h
Light
Humidity
86%
Extremely humid
88%
Extremely humid
88%
Extremely humid
88%
Extremely humid
84%
Extremely humid
82%
Extremely humid
77%
Extremely humid
73%
Extremely humid
68%
Humid
Visibility
14 km
Good
14 km
Good
14 km
Good
14 km
Good
15 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
Pressure
1016 hPa
Normal
1016 hPa
Normal
1016 hPa
Normal
1017 hPa
Normal
1017 hPa
Normal
1017 hPa
Normal
1018 hPa
Normal
1017 hPa
Normal
1017 hPa
Normal
Clouds
7%
16%
33%
31%
58%
38%
34%
38%
100%
Dew point
14°
14°
13°
13°
13°
13°
13°
13°
13°
UV Index
0
0
0
0
0
0
2
3
4
Air quality
16
Good
17
Good
17
Good
19
Good
22
Good
20
Good
20
Good
20
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
3.2 μg/m3
3.2 μg/m3
3.2 μg/m3
3.2 μg/m3
3.2 μg/m3
4.5 μg/m3
4.4 μg/m3
4.3 μg/m3
4.4 μg/m3
PM25
1.5 μg/m3
2.1 μg/m3
2.7 μg/m3
3.4 μg/m3
3.9 μg/m3
3.6 μg/m3
3.5 μg/m3
3.4 μg/m3
3.4 μg/m3
NO2
3.5 ppb
3.8 ppb
4.1 ppb
4 ppb
3.8 ppb
3.8 ppb
2.9 ppb
2 ppb
1.1 ppb
SO2
0.5 ppb
0.5 ppb
0.6 ppb
0.6 ppb
0.6 ppb
0.6 ppb
0.5 ppb
0.5 ppb
0.4 ppb
CO
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
O3
17.3 ppb
17.9 ppb
18.5 ppb
19.2 ppb
19.7 ppb
19.5 ppb
20 ppb
21.1 ppb
23.4 ppb