Hourly Weather in Derry, Pennsylvania, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
12 km/h
Light
11 km/h
Light
13 km/h
Light
11 km/h
Light
7 km/h
Calm
8 km/h
Light
7 km/h
Calm
1 km/h
Calm
6 km/h
Calm
Humidity
59%
Comfortable
50%
Comfortable
51%
Comfortable
50%
Comfortable
47%
Comfortable
47%
Comfortable
45%
Comfortable
52%
Comfortable
61%
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
1013 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
Clouds
33%
29%
41%
38%
62%
100%
100%
81%
87%
Dew point
16°
14°
15°
15°
15°
14°
13°
15°
16°
UV Index
5
3
3
2
2
1
0
0
0
Air quality
51
Moderate
51
Moderate
52
Moderate
53
Moderate
55
Moderate
56
Moderate
57
Moderate
58
Moderate
97
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
23.2 μg/m3
23.7 μg/m3
23.7 μg/m3
23.7 μg/m3
23.7 μg/m3
23.7 μg/m3
23.7 μg/m3
23.7 μg/m3
36.1 μg/m3
PM25
9.1 μg/m3
9.3 μg/m3
9.7 μg/m3
10.3 μg/m3
11 μg/m3
11.6 μg/m3
12.3 μg/m3
12.9 μg/m3
33.5 μg/m3
NO2
0.8 ppb
0.7 ppb
0.7 ppb
0.7 ppb
0.7 ppb
1.4 ppb
2.1 ppb
2.7 ppb
3.9 ppb
SO2
1.1 ppb
1 ppb
1 ppb
1 ppb
1 ppb
1 ppb
0.9 ppb
0.8 ppb
0.9 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
45.3 ppb
45.9 ppb
47.2 ppb
48.9 ppb
50.8 ppb
52.9 ppb
54.8 ppb
56.6 ppb
56 ppb