Hourly Weather in Greencastle Manor, Maryland, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
6 mph
Light
6 mph
Light
6 mph
Light
6 mph
Light
7 mph
Light
8 mph
Light
4 mph
Calm
4 mph
Calm
4 mph
Calm
Humidity
69%
Humid
71%
Extremely humid
75%
Extremely humid
81%
Extremely humid
76%
Extremely humid
69%
Humid
47%
Comfortable
41%
Dry
36%
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
1021 hPa
High
1022 hPa
High
1022 hPa
High
1022 hPa
High
1023 hPa
High
1024 hPa
High
1023 hPa
High
1023 hPa
High
1023 hPa
High
Clouds
92%
65%
1%
8%
100%
100%
33%
9%
5%
Dew point
51°
51°
52°
54°
54°
53°
49°
49°
49°
UV Index
0
0
0
0
0
1
3
5
7
Air quality
27
Good
27
Good
27
Good
27
Good
27
Good
27
Good
28
Good
31
Good
36
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
5 / 5
5 / 5
5 / 5
4 / 5
4 / 5
3 / 5
3 / 5
4 / 5
5 / 5
Pollutants
Low risk
High risk
PM10
0.26 μg/ft3
0.26 μg/ft3
0.26 μg/ft3
0.26 μg/ft3
0.26 μg/ft3
0.28 μg/ft3
0.31 μg/ft3
0.34 μg/ft3
0.33 μg/ft3
PM25
0.19 μg/ft3
0.18 μg/ft3
0.18 μg/ft3
0.18 μg/ft3
0.18 μg/ft3
0.20 μg/ft3
0.22 μg/ft3
0.24 μg/ft3
0.23 μg/ft3
NO2
3.26 ppb
3.14 ppb
3.02 ppb
2.74 ppb
2.46 ppb
2.17 ppb
2 ppb
1.83 ppb
1.67 ppb
SO2
0.71 ppb
0.66 ppb
0.62 ppb
0.66 ppb
0.69 ppb
0.73 ppb
0.85 ppb
0.98 ppb
1.11 ppb
CO
0.14 ppb
0.14 ppb
0.14 ppb
0.14 ppb
0.14 ppb
0.14 ppb
0.14 ppb
0.13 ppb
0.13 ppb
O3
25.37 ppb
24.26 ppb
23.16 ppb
24.17 ppb
25.19 ppb
26.2 ppb
32.16 ppb
38.11 ppb
44.07 ppb