Hourly Weather in Chevy Chase, District of Columbia, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
13 mph
Breezy
13 mph
Breezy
14 mph
Breezy
13 mph
Breezy
13 mph
Breezy
11 mph
Breezy
10 mph
Breezy
10 mph
Light
10 mph
Breezy
Humidity
38%
Dry
37%
Dry
41%
Dry
47%
Comfortable
53%
Comfortable
61%
Humid
70%
Extremely humid
76%
Extremely humid
79%
Extremely humid
Visibility
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
8 mi
Good
3 mi
Low
Pressure
1029 hPa
Very high
1028 hPa
Very high
1028 hPa
Very high
1027 hPa
Very high
1026 hPa
Very high
1026 hPa
Very high
1026 hPa
Very high
1026 hPa
Very high
1026 hPa
Very high
Clouds
100%
100%
100%
100%
100%
100%
100%
100%
100%
Dew point
32°
32°
33°
34°
36°
37°
39°
40°
40°
UV Index
5
4
2
1
0
0
0
0
0
Air quality
47
Good
49
Good
49
Good
50
Moderate
50
Moderate
50
Moderate
50
Moderate
49
Good
48
Good
Pollen index
Tree
5 / 5
5 / 5
5 / 5
5 / 5
5 / 5
3 / 5
0 / 5
0 / 5
1 / 5
Weed
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Grass
2 / 5
3 / 5
3 / 5
3 / 5
3 / 5
1 / 5
0 / 5
0 / 5
0 / 5
Pollutants
Low risk
High risk
PM10
0.25 μg/ft3
0.27 μg/ft3
0.30 μg/ft3
0.32 μg/ft3
0.35 μg/ft3
0.38 μg/ft3
0.40 μg/ft3
0.40 μg/ft3
0.41 μg/ft3
PM25
0.17 μg/ft3
0.19 μg/ft3
0.20 μg/ft3
0.22 μg/ft3
0.24 μg/ft3
0.26 μg/ft3
0.27 μg/ft3
0.27 μg/ft3
0.28 μg/ft3
NO2
0.39 ppb
0.46 ppb
0.52 ppb
0.58 ppb
0.91 ppb
1.23 ppb
1.55 ppb
1.54 ppb
1.53 ppb
SO2
0.59 ppb
0.61 ppb
0.63 ppb
0.65 ppb
0.7 ppb
0.75 ppb
0.8 ppb
0.82 ppb
0.84 ppb
CO
0.15 ppb
0.15 ppb
0.16 ppb
0.16 ppb
0.16 ppb
0.17 ppb
0.17 ppb
0.17 ppb
0.17 ppb
O3
54.47 ppb
54.91 ppb
55.34 ppb
55.77 ppb
54.41 ppb
53.06 ppb
51.71 ppb
50.24 ppb
48.78 ppb