Hourly Weather in National Park Service Headquarters, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
15 mph
Breezy
13 mph
Breezy
12 mph
Breezy
12 mph
Breezy
14 mph
Breezy
18 mph
Breezy
20 mph
Strong
23 mph
Strong
26 mph
Strong
Humidity
65%
Humid
72%
Extremely humid
78%
Extremely humid
80%
Extremely humid
78%
Extremely humid
72%
Extremely humid
66%
Humid
56%
Comfortable
51%
Comfortable
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
1007 hPa
Low
1006 hPa
Low
1006 hPa
Low
1006 hPa
Low
1005 hPa
Low
1004 hPa
Low
1004 hPa
Low
1003 hPa
Very low
1004 hPa
Low
Clouds
70%
42%
76%
25%
85%
24%
100%
89%
90%
Dew point
53°
57°
59°
60°
61°
62°
61°
59°
54°
UV Index
0
0
0
0
0
1
1
1
2
Air quality
52
Moderate
51
Moderate
48
Good
47
Good
46
Good
44
Good
42
Good
40
Good
39
Good
Pollen index
Tree
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
2 / 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
0.27 μg/ft3
0.27 μg/ft3
0.24 μg/ft3
0.22 μg/ft3
0.21 μg/ft3
0.20 μg/ft3
0.19 μg/ft3
0.18 μg/ft3
0.16 μg/ft3
PM25
0.27 μg/ft3
0.26 μg/ft3
0.24 μg/ft3
0.22 μg/ft3
0.20 μg/ft3
0.19 μg/ft3
0.18 μg/ft3
0.18 μg/ft3
0.15 μg/ft3
NO2
1 ppb
0.9 ppb
0.9 ppb
1 ppb
1 ppb
1.1 ppb
1.2 ppb
1.2 ppb
1.1 ppb
SO2
1.1 ppb
1.2 ppb
1 ppb
0.8 ppb
0.6 ppb
0.5 ppb
0.3 ppb
0.2 ppb
0.1 ppb
CO
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
O3
52.6 ppb
52.2 ppb
51.3 ppb
50.4 ppb
49.1 ppb
47.6 ppb
45.7 ppb
43.6 ppb
41.6 ppb