Hourly Weather in Perth, Virginia, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
4 km/h
Calm
2 km/h
Calm
4 km/h
Calm
6 km/h
Calm
2 km/h
Calm
4 km/h
Calm
1 km/h
Calm
2 km/h
Calm
5 km/h
Calm
Humidity
96%
Extremely humid
97%
Extremely humid
96%
Extremely humid
96%
Extremely humid
95%
Extremely humid
93%
Extremely humid
90%
Extremely humid
89%
Extremely humid
88%
Extremely humid
Visibility
10 km
Fair
8 km
Fair
12 km
Good
12 km
Good
12 km
Good
13 km
Good
14 km
Good
14 km
Good
15 km
Good
Pressure
1018 hPa
High
1019 hPa
High
1020 hPa
High
1019 hPa
High
1018 hPa
High
1018 hPa
Normal
1017 hPa
Normal
1017 hPa
Normal
1017 hPa
Normal
Clouds
100%
100%
100%
100%
100%
100%
100%
100%
100%
Dew point
18°
18°
18°
18°
19°
19°
19°
19°
19°
UV Index
1
2
3
4
4
4
5
4
3
Air quality
25
Good
26
Good
27
Good
29
Good
33
Good
35
Good
38
Good
51
Moderate
49
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
8.6 μg/m3
8.6 μg/m3
8.6 μg/m3
8.6 μg/m3
8.6 μg/m3
8.6 μg/m3
8.6 μg/m3
11.5 μg/m3
10.3 μg/m3
PM25
3.9 μg/m3
4.2 μg/m3
4.7 μg/m3
5.2 μg/m3
5.8 μg/m3
6.3 μg/m3
6.7 μg/m3
9.2 μg/m3
8.7 μg/m3
NO2
1.4 ppb
1 ppb
0.8 ppb
0.6 ppb
0.5 ppb
0.4 ppb
0.4 ppb
0.3 ppb
0.3 ppb
SO2
0.2 ppb
0.2 ppb
0.2 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 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
27.3 ppb
27.9 ppb
28.7 ppb
29.7 ppb
30.8 ppb
31.7 ppb
32.6 ppb
40.9 ppb
41.5 ppb