Hourly Weather in Rockville, Virginia, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
7 mph
Light
9 mph
Light
10 mph
Breezy
12 mph
Breezy
12 mph
Breezy
13 mph
Breezy
13 mph
Breezy
14 mph
Breezy
13 mph
Breezy
Humidity
58%
Comfortable
51%
Comfortable
47%
Comfortable
38%
Dry
37%
Dry
37%
Dry
36%
Dry
36%
Dry
37%
Dry
Visibility
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
Pressure
1006 hPa
Low
1006 hPa
Low
1006 hPa
Low
1006 hPa
Low
1006 hPa
Low
1006 hPa
Low
1006 hPa
Low
1007 hPa
Low
1007 hPa
Low
Clouds
0%
6%
6%
0%
0%
0%
0%
0%
0%
Dew point
56°
54°
53°
48°
48°
48°
48°
48°
47°
UV Index
2
4
6
7
7
6
6
3
2
Air quality
33
Good
34
Good
41
Good
43
Good
44
Good
44
Good
44
Good
44
Good
44
Good
Pollen index
Tree
5 / 5
5 / 5
5 / 5
5 / 5
5 / 5
5 / 5
5 / 5
5 / 5
5 / 5
Weed
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Grass
1 / 5
1 / 5
2 / 5
2 / 5
3 / 5
5 / 5
5 / 5
5 / 5
5 / 5
Pollutants
Low risk
High risk
PM10
0.38 μg/ft3
0.37 μg/ft3
0.34 μg/ft3
0.31 μg/ft3
0.28 μg/ft3
0.26 μg/ft3
0.24 μg/ft3
0.24 μg/ft3
0.24 μg/ft3
PM25
0.26 μg/ft3
0.25 μg/ft3
0.23 μg/ft3
0.21 μg/ft3
0.19 μg/ft3
0.17 μg/ft3
0.17 μg/ft3
0.16 μg/ft3
0.17 μg/ft3
NO2
1.01 ppb
0.68 ppb
0.34 ppb
0.32 ppb
0.3 ppb
0.28 ppb
0.29 ppb
0.3 ppb
0.31 ppb
SO2
0.83 ppb
0.94 ppb
1.06 ppb
0.88 ppb
0.71 ppb
0.54 ppb
0.51 ppb
0.47 ppb
0.44 ppb
CO
0.16 ppb
0.14 ppb
0.12 ppb
0.12 ppb
0.12 ppb
0.11 ppb
0.11 ppb
0.11 ppb
0.12 ppb
O3
34.17 ppb
42.39 ppb
50.61 ppb
49.3 ppb
47.99 ppb
46.69 ppb
47.2 ppb
47.71 ppb
48.22 ppb