Hourly Weather in Merriweather, Maryland, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
6 km/h
Calm
6 km/h
Calm
9 km/h
Light
6 km/h
Calm
10 km/h
Light
8 km/h
Calm
11 km/h
Light
11 km/h
Light
9 km/h
Light
Humidity
89%
Extremely humid
90%
Extremely humid
72%
Extremely humid
67%
Humid
56%
Comfortable
50%
Comfortable
45%
Comfortable
43%
Dry
43%
Dry
Visibility
15 km
Good
14 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
Pressure
1011 hPa
Normal
1011 hPa
Normal
1012 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
Clouds
2%
3%
0%
7%
0%
2%
24%
20%
91%
Dew point
19°
20°
18°
19°
17°
17°
16°
16°
16°
UV Index
0
0
1
2
3
5
6
6
6
Air quality
43
Good
44
Good
44
Good
44
Good
44
Good
44
Good
83
Moderate
81
Moderate
80
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
11.9 μg/m3
11.9 μg/m3
11.9 μg/m3
11.9 μg/m3
11.9 μg/m3
11.9 μg/m3
26.8 μg/m3
26.2 μg/m3
25.5 μg/m3
PM25
7.7 μg/m3
7.8 μg/m3
7.8 μg/m3
7.9 μg/m3
7.9 μg/m3
7.9 μg/m3
25.7 μg/m3
25 μg/m3
24.1 μg/m3
NO2
5.9 ppb
5.7 ppb
5.4 ppb
4.3 ppb
3.2 ppb
2.1 ppb
1.8 ppb
1.4 ppb
1.1 ppb
SO2
0.7 ppb
0.8 ppb
0.8 ppb
0.9 ppb
1 ppb
1.1 ppb
1 ppb
0.9 ppb
0.8 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
28.5 ppb
31.9 ppb
35.8 ppb
39.9 ppb
43.8 ppb
47.1 ppb
64.3 ppb
68.2 ppb
70.7 ppb