Hourly Weather in Frederick, Pennsylvania, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
3 km/h
Calm
10 km/h
Light
6 km/h
Calm
4 km/h
Calm
7 km/h
Calm
4 km/h
Calm
5 km/h
Calm
5 km/h
Calm
6 km/h
Calm
Humidity
50%
Comfortable
45%
Comfortable
51%
Comfortable
54%
Comfortable
58%
Comfortable
62%
Humid
65%
Humid
66%
Humid
66%
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
1016 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
1017 hPa
Normal
1016 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
Clouds
0%
0%
2%
7%
0%
0%
0%
0%
0%
Dew point
11°
9°
10°
10°
11°
11°
11°
11°
11°
UV Index
0
0
0
0
0
0
0
0
0
Air quality
42
Good
42
Good
43
Good
43
Good
43
Good
44
Good
45
Good
45
Good
54
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
9.7 μg/m3
9.7 μg/m3
9.7 μg/m3
9.7 μg/m3
9.7 μg/m3
9.7 μg/m3
9.7 μg/m3
9.7 μg/m3
13 μg/m3
PM25
5 μg/m3
5 μg/m3
5 μg/m3
5.1 μg/m3
5.1 μg/m3
5.1 μg/m3
5.2 μg/m3
5.2 μg/m3
10.9 μg/m3
NO2
5.1 ppb
5.7 ppb
6.3 ppb
7.5 ppb
8.7 ppb
9.8 ppb
11.2 ppb
12.5 ppb
12.6 ppb
SO2
0.3 ppb
0.3 ppb
0.4 ppb
0.4 ppb
0.4 ppb
0.4 ppb
0.4 ppb
0.5 ppb
0.6 ppb
CO
0.2 ppb
0.2 ppb
0.1 ppb
0.1 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
O3
45.3 ppb
45.5 ppb
45.8 ppb
46.3 ppb
46.8 ppb
47.4 ppb
48 ppb
48.5 ppb
22.4 ppb