Daily Weather in Ashburn, Virginia, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
6 mph
Light
6 mph
Light
6 mph
Light
12 mph
Breezy
12 mph
Breezy
8 mph
Light
10 mph
Breezy
11 mph
Breezy
10 mph
Light
Humidity
88%
Extremely humid
91%
Extremely humid
97%
Extremely humid
97%
Extremely humid
93%
Extremely humid
78%
Extremely humid
79%
Extremely humid
83%
Extremely humid
97%
Extremely humid
Visibility
10 mi
Good
10 mi
Good
15 mi
Good
15 mi
Good
15 mi
Good
15 mi
Good
15 mi
Good
15 mi
Good
15 mi
Good
Pressure
1024 hPa
High
1024 hPa
High
1024 hPa
High
1018 hPa
Normal
1017 hPa
Normal
1018 hPa
High
1017 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
Clouds
28%
100%
100%
100%
39%
100%
59%
100%
100%
Dew point
54°
57°
54°
57°
38°
32°
44°
51°
57°
UV Index
6
6
5
5
Air quality
47
Good
50
Moderate
52
Moderate
37
Good
Pollen index
Tree
0 / 5
0 / 5
0 / 5
0 / 5
Weed
2 / 5
4 / 5
2 / 5
1 / 5
Grass
0 / 5
0 / 5
0 / 5
0 / 5
Pollutants
Low risk
High risk
PM10
0.34 μg/ft3
0.39 μg/ft3
0.41 μg/ft3
0.41 μg/ft3
PM25
0.24 μg/ft3
0.27 μg/ft3
0.29 μg/ft3
0.28 μg/ft3
NO2
6.41 ppb
3.81 ppb
3.91 ppb
4.22 ppb
SO2
1.42 ppb
1.95 ppb
3.25 ppb
2.24 ppb
CO
0.24 ppb
0.2 ppb
0.2 ppb
0.21 ppb
O3
51.65 ppb
54.41 ppb
55.79 ppb
50.7 ppb