Hourly Weather in West Lake Sammamish, Washington, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
10 mph
Breezy
11 mph
Breezy
13 mph
Breezy
13 mph
Breezy
14 mph
Breezy
14 mph
Breezy
15 mph
Breezy
14 mph
Breezy
14 mph
Breezy
Humidity
49%
Comfortable
44%
Dry
41%
Dry
39%
Dry
38%
Dry
38%
Dry
39%
Dry
40%
Dry
43%
Dry
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
1016 hPa
Normal
1016 hPa
Normal
1016 hPa
Normal
1016 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
1014 hPa
Normal
1014 hPa
Normal
Clouds
0%
22%
53%
100%
100%
100%
84%
73%
86%
Dew point
45°
44°
43°
43°
43°
43°
44°
44°
45°
UV Index
2
4
5
5
5
4
3
2
1
Air quality
22
Good
26
Good
30
Good
32
Good
34
Good
36
Good
37
Good
38
Good
39
Good
Pollen index
Tree
3 / 5
2 / 5
2 / 5
2 / 5
2 / 5
1 / 5
1 / 5
2 / 5
2 / 5
Weed
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Grass
4 / 5
5 / 5
5 / 5
5 / 5
5 / 5
5 / 5
1 / 5
2 / 5
5 / 5
Pollutants
Low risk
High risk
PM10
0.13 μg/ft3
0.13 μg/ft3
0.13 μg/ft3
0.13 μg/ft3
0.14 μg/ft3
0.15 μg/ft3
0.16 μg/ft3
0.17 μg/ft3
0.17 μg/ft3
PM25
0.08 μg/ft3
0.08 μg/ft3
0.08 μg/ft3
0.08 μg/ft3
0.09 μg/ft3
0.09 μg/ft3
0.10 μg/ft3
0.11 μg/ft3
0.11 μg/ft3
NO2
0.71 ppb
0.49 ppb
0.27 ppb
0.24 ppb
0.22 ppb
0.19 ppb
0.21 ppb
0.23 ppb
0.24 ppb
SO2
0.16 ppb
0.14 ppb
0.12 ppb
0.11 ppb
0.1 ppb
0.09 ppb
0.1 ppb
0.11 ppb
0.11 ppb
CO
0.11 ppb
0.11 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
O3
26.99 ppb
32.16 ppb
37.32 ppb
38.27 ppb
39.21 ppb
40.15 ppb
41.9 ppb
43.64 ppb
45.39 ppb