Hourly Weather in Meriwether Lewis National Monument, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
9 km/h
Light
5 km/h
Calm
8 km/h
Calm
9 km/h
Light
10 km/h
Light
9 km/h
Light
9 km/h
Light
10 km/h
Light
9 km/h
Light
Humidity
87%
Extremely humid
90%
Extremely humid
93%
Extremely humid
95%
Extremely humid
95%
Extremely humid
95%
Extremely humid
96%
Extremely humid
95%
Extremely humid
96%
Extremely humid
Visibility
15 km
Good
14 km
Good
13 km
Good
12 km
Good
12 km
Good
12 km
Good
5 km
Fair
12 km
Good
12 km
Good
Pressure
1015 hPa
Normal
1014 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
1014 hPa
Normal
1014 hPa
Normal
Clouds
70%
88%
29%
91%
42%
21%
100%
40%
48%
Dew point
24°
24°
24°
24°
24°
24°
24°
24°
23°
UV Index
0
0
0
0
0
0
0
0
0
Air quality
39
Good
39
Good
40
Good
42
Good
44
Good
45
Good
46
Good
33
Good
29
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
10.8 μg/m3
10.8 μg/m3
10.8 μg/m3
10.8 μg/m3
10.8 μg/m3
10.8 μg/m3
10.8 μg/m3
6.3 μg/m3
5.4 μg/m3
PM25
6.9 μg/m3
7 μg/m3
7.2 μg/m3
7.5 μg/m3
7.8 μg/m3
8 μg/m3
8.2 μg/m3
5.8 μg/m3
5.1 μg/m3
NO2
0.9 ppb
1.1 ppb
1.2 ppb
1.4 ppb
1.6 ppb
1.9 ppb
2.2 ppb
1.2 ppb
1 ppb
SO2
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
CO
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
O3
23.8 ppb
24 ppb
24.3 ppb
24.6 ppb
24.9 ppb
25.2 ppb
25.5 ppb
30.2 ppb
31.2 ppb