Hourly Weather in Prince William County, Virginia, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
21 mph
Strong
19 mph
Breezy
18 mph
Breezy
19 mph
Breezy
19 mph
Breezy
19 mph
Breezy
18 mph
Breezy
17 mph
Breezy
17 mph
Breezy
Humidity
68%
Humid
69%
Humid
69%
Humid
74%
Extremely humid
73%
Extremely humid
71%
Extremely humid
70%
Extremely humid
70%
Extremely humid
69%
Humid
Visibility
2 mi
Low
3 mi
Low
3 mi
Fair
4 mi
Fair
3 mi
Low
9 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
Pressure
1004 hPa
Low
1004 hPa
Low
1005 hPa
Low
1007 hPa
Low
1008 hPa
Low
1009 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
Clouds
100%
100%
100%
100%
100%
100%
100%
100%
100%
Dew point
19°
19°
18°
19°
19°
18°
18°
18°
17°
UV Index
0
0
0
0
0
0
0
0
0
Air quality
38
Good
39
Good
39
Good
39
Good
39
Good
40
Good
40
Good
40
Good
40
Good
Pollen index
Tree
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 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
0.03 μg/ft3
0.04 μg/ft3
0.04 μg/ft3
0.05 μg/ft3
0.06 μg/ft3
0.07 μg/ft3
0.08 μg/ft3
0.08 μg/ft3
0.09 μg/ft3
PM25
0.03 μg/ft3
0.04 μg/ft3
0.04 μg/ft3
0.05 μg/ft3
0.06 μg/ft3
0.07 μg/ft3
0.07 μg/ft3
0.08 μg/ft3
0.08 μg/ft3
NO2
1.7 ppb
1.9 ppb
2.2 ppb
2.4 ppb
2.4 ppb
2.3 ppb
2.3 ppb
2.3 ppb
2.3 ppb
SO2
1 ppb
1.1 ppb
1.1 ppb
1.1 ppb
1.3 ppb
1.4 ppb
1.5 ppb
1.5 ppb
1.5 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
41.1 ppb
41.5 ppb
41.9 ppb
42.2 ppb
42.4 ppb
42.7 ppb
43 ppb
43.2 ppb
43.3 ppb