Hourly Weather in Markham, Washington, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
10 mph
Light
8 mph
Light
9 mph
Light
9 mph
Light
8 mph
Light
7 mph
Light
7 mph
Light
8 mph
Light
6 mph
Light
Humidity
80%
Extremely humid
82%
Extremely humid
84%
Extremely humid
84%
Extremely humid
83%
Extremely humid
86%
Extremely humid
86%
Extremely humid
88%
Extremely humid
88%
Extremely humid
Visibility
10 mi
Good
10 mi
Good
10 mi
Good
4 mi
Fair
4 mi
Fair
5 mi
Fair
8 mi
Good
5 mi
Fair
9 mi
Good
Pressure
1002 hPa
Very low
1002 hPa
Very low
1002 hPa
Very low
1001 hPa
Very low
1002 hPa
Very low
1002 hPa
Very low
1003 hPa
Very low
1004 hPa
Low
1005 hPa
Low
Clouds
100%
100%
100%
100%
100%
100%
100%
100%
100%
Dew point
41°
41°
39°
38°
38°
39°
38°
39°
38°
UV Index
0
0
0
0
0
0
0
0
0
Air quality
30
Good
30
Good
30
Good
31
Good
31
Good
31
Good
31
Good
31
Good
31
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
0.21 μg/ft3
0.21 μg/ft3
0.21 μg/ft3
0.20 μg/ft3
0.19 μg/ft3
0.17 μg/ft3
0.16 μg/ft3
0.15 μg/ft3
0.15 μg/ft3
PM25
0.15 μg/ft3
0.15 μg/ft3
0.15 μg/ft3
0.14 μg/ft3
0.14 μg/ft3
0.13 μg/ft3
0.12 μg/ft3
0.11 μg/ft3
0.12 μg/ft3
NO2
4.68 ppb
4.19 ppb
3.69 ppb
3.89 ppb
4.09 ppb
4.29 ppb
4.83 ppb
5.37 ppb
5.91 ppb
SO2
0.55 ppb
0.52 ppb
0.49 ppb
0.48 ppb
0.47 ppb
0.47 ppb
0.5 ppb
0.54 ppb
0.57 ppb
CO
0.15 ppb
0.15 ppb
0.14 ppb
0.14 ppb
0.15 ppb
0.15 ppb
0.15 ppb
0.16 ppb
0.16 ppb
O3
32.7 ppb
33.9 ppb
35 ppb
34.8 ppb
34.6 ppb
34.4 ppb
33.4 ppb
32.5 ppb
31.5 ppb