Hourly Weather in Porterstown, Maryland, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
1 km/h
Calm
3 km/h
Calm
3 km/h
Calm
4 km/h
Calm
6 km/h
Calm
6 km/h
Calm
4 km/h
Calm
5 km/h
Calm
15 km/h
Light
Humidity
68%
Humid
56%
Comfortable
48%
Comfortable
44%
Dry
42%
Dry
43%
Dry
43%
Dry
48%
Comfortable
56%
Comfortable
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
1012 hPa
Normal
1012 hPa
Normal
1011 hPa
Normal
1012 hPa
Normal
1011 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
Clouds
22%
7%
12%
5%
19%
100%
100%
100%
100%
Dew point
20°
17°
16°
15°
15°
15°
15°
16°
17°
UV Index
6
6
6
5
3
1
0
0
0
Air quality
30
Good
31
Good
33
Good
36
Good
40
Good
43
Good
47
Good
49
Good
77
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
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
8.6 μg/m3
24 μg/m3
PM25
5.4 μg/m3
5.5 μg/m3
5.9 μg/m3
6.4 μg/m3
7.1 μg/m3
7.7 μg/m3
8.3 μg/m3
8.8 μg/m3
22.8 μg/m3
NO2
0.7 ppb
0.6 ppb
0.5 ppb
0.6 ppb
0.6 ppb
0.6 ppb
1 ppb
1.5 ppb
1.9 ppb
SO2
0.7 ppb
0.7 ppb
0.8 ppb
0.8 ppb
0.7 ppb
0.7 ppb
0.7 ppb
0.6 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
0.2 ppb
0.2 ppb
O3
32.4 ppb
33.1 ppb
34.5 ppb
36.4 ppb
38.6 ppb
40.9 ppb
43.2 ppb
45.1 ppb
57.9 ppb