Hourly Weather in Frederick County, Maryland, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
6 km/h
Calm
5 km/h
Calm
4 km/h
Calm
3 km/h
Calm
3 km/h
Calm
6 km/h
Calm
8 km/h
Light
7 km/h
Calm
8 km/h
Calm
Humidity
45%
Comfortable
42%
Dry
42%
Dry
41%
Dry
41%
Dry
46%
Comfortable
56%
Comfortable
60%
Humid
60%
Humid
Visibility
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
Pressure
1010 hPa
Normal
1010 hPa
Normal
1009 hPa
Normal
1008 hPa
Low
1008 hPa
Low
1008 hPa
Low
1008 hPa
Low
1008 hPa
Low
1008 hPa
Low
Clouds
20%
100%
18%
100%
63%
41%
10%
16%
100%
Dew point
16°
16°
16°
16°
16°
18°
19°
19°
18°
UV Index
6
4
1
1
1
0
0
0
0
Air quality
52
Moderate
53
Moderate
54
Moderate
56
Moderate
57
Moderate
58
Moderate
84
Moderate
84
Moderate
85
Moderate
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
19.4 μg/m3
19.4 μg/m3
19.4 μg/m3
19.4 μg/m3
19.4 μg/m3
19.4 μg/m3
27.7 μg/m3
27.6 μg/m3
28.1 μg/m3
PM25
9.7 μg/m3
10.3 μg/m3
10.9 μg/m3
11.6 μg/m3
12.3 μg/m3
12.9 μg/m3
26.4 μg/m3
26.4 μg/m3
26.9 μg/m3
NO2
0.5 ppb
0.6 ppb
0.6 ppb
0.6 ppb
1.4 ppb
2.2 ppb
2.6 ppb
5.8 ppb
9 ppb
SO2
0.7 ppb
0.7 ppb
0.7 ppb
0.7 ppb
0.6 ppb
0.6 ppb
0.6 ppb
0.5 ppb
0.5 ppb
CO
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.3 ppb
0.3 ppb
O3
41.2 ppb
42.4 ppb
43.7 ppb
45.2 ppb
46.5 ppb
47.7 ppb
55.7 ppb
50.2 ppb
39.8 ppb