Hourly Weather in Potomac, Maryland, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
3 km/h
Calm
6 km/h
Calm
6 km/h
Calm
4 km/h
Calm
10 km/h
Light
9 km/h
Light
9 km/h
Light
7 km/h
Calm
6 km/h
Calm
Humidity
46%
Comfortable
47%
Comfortable
49%
Comfortable
47%
Comfortable
40%
Dry
45%
Comfortable
51%
Comfortable
58%
Comfortable
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
1017 hPa
Normal
1016 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
1014 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
Clouds
10%
29%
51%
16%
5%
3%
10%
11%
66%
Dew point
14°
15°
15°
15°
12°
13°
14°
14°
14°
UV Index
6
5
3
1
0
0
0
0
0
Air quality
38
Good
39
Good
41
Good
42
Good
43
Good
44
Good
59
Moderate
57
Moderate
57
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
6.5 μg/m3
6.5 μg/m3
6.5 μg/m3
6.5 μg/m3
6.5 μg/m3
6.5 μg/m3
16.5 μg/m3
15.3 μg/m3
14.8 μg/m3
PM25
0.7 μg/m3
1.2 μg/m3
1.8 μg/m3
2.4 μg/m3
3 μg/m3
3.5 μg/m3
13.2 μg/m3
12.4 μg/m3
12 μg/m3
NO2
0.9 ppb
1 ppb
1 ppb
1.7 ppb
2.5 ppb
3.2 ppb
4.5 ppb
5.6 ppb
6.6 ppb
SO2
0.5 ppb
0.5 ppb
0.5 ppb
0.5 ppb
0.5 ppb
0.4 ppb
0.6 ppb
0.6 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
41.2 ppb
42.3 ppb
43.7 ppb
45.1 ppb
46.4 ppb
47.5 ppb
59.3 ppb
53.7 ppb
45.6 ppb