Hourly Weather in Frederick County, Virginia, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
17 km/h
Breezy
20 km/h
Breezy
23 km/h
Breezy
18 km/h
Breezy
6 km/h
Calm
9 km/h
Light
15 km/h
Light
7 km/h
Calm
6 km/h
Calm
Humidity
47%
Comfortable
45%
Comfortable
80%
Extremely humid
74%
Extremely humid
85%
Extremely humid
92%
Extremely humid
82%
Extremely humid
80%
Extremely humid
84%
Extremely humid
Visibility
16 km
Good
16 km
Good
1 km
Low
16 km
Good
16 km
Good
13 km
Good
16 km
Good
16 km
Good
15 km
Good
Pressure
1002 hPa
Very low
1003 hPa
Very low
1001 hPa
Very low
1000 hPa
Very low
1000 hPa
Extremely low
1001 hPa
Very low
1001 hPa
Very low
1002 hPa
Very low
1002 hPa
Very low
Clouds
6%
100%
100%
100%
97%
67%
81%
25%
100%
Dew point
17°
17°
20°
20°
21°
22°
22°
21°
21°
UV Index
4
2
3
4
2
2
1
0
0
Air quality
67
Moderate
68
Moderate
69
Moderate
70
Moderate
71
Moderate
72
Moderate
64
Moderate
56
Moderate
46
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
27 μg/m3
27 μg/m3
27 μg/m3
27 μg/m3
27 μg/m3
27 μg/m3
16.6 μg/m3
11.9 μg/m3
8.5 μg/m3
PM25
17.5 μg/m3
17.9 μg/m3
18.4 μg/m3
19 μg/m3
19.5 μg/m3
19.9 μg/m3
16 μg/m3
11.5 μg/m3
8.3 μg/m3
NO2
0.7 ppb
0.7 ppb
0.6 ppb
0.6 ppb
0.6 ppb
0.6 ppb
0.9 ppb
1.1 ppb
1.4 ppb
SO2
0.5 ppb
0.4 ppb
0.4 ppb
0.4 ppb
0.4 ppb
0.4 ppb
0.5 ppb
0.5 ppb
0.6 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
16.3 ppb
19.3 ppb
22.9 ppb
26.6 ppb
30.1 ppb
33.1 ppb
51.5 ppb
50.8 ppb
49.9 ppb