Hourly Weather in Castine, Maine, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
3 km/h
Calm
4 km/h
Calm
9 km/h
Light
12 km/h
Light
13 km/h
Light
14 km/h
Light
16 km/h
Breezy
17 km/h
Breezy
15 km/h
Light
Humidity
73%
Extremely humid
69%
Humid
74%
Extremely humid
77%
Extremely humid
74%
Extremely humid
68%
Humid
63%
Humid
60%
Humid
62%
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
1016 hPa
Normal
1016 hPa
Normal
1016 hPa
Normal
1015 hPa
Normal
1014 hPa
Normal
1014 hPa
Normal
1013 hPa
Normal
1013 hPa
Normal
1013 hPa
Normal
Clouds
1%
0%
1%
1%
1%
3%
0%
18%
0%
Dew point
10°
10°
11°
12°
12°
11°
11°
10°
10°
UV Index
1
3
5
7
8
8
7
5
3
Air quality
38
Good
38
Good
38
Good
38
Good
40
Good
40
Good
41
Good
42
Good
43
Good
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
5.2 μg/m3
5.2 μg/m3
5.3 μg/m3
5.6 μg/m3
PM25
5.3 μg/m3
5.8 μg/m3
6.3 μg/m3
6.7 μg/m3
7.1 μg/m3
4 μg/m3
4.1 μg/m3
4.2 μg/m3
4.7 μg/m3
NO2
1.3 ppb
1 ppb
0.7 ppb
0.4 ppb
0.3 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.3 ppb
SO2
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
CO
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
O3
40.7 ppb
40.6 ppb
40.5 ppb
40.3 ppb
40.2 ppb
43.1 ppb
44.4 ppb
45.5 ppb
46.3 ppb