Hourly Weather in Nantucket Harbor, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
18 km/h
Breezy
17 km/h
Breezy
19 km/h
Breezy
19 km/h
Breezy
22 km/h
Breezy
21 km/h
Breezy
17 km/h
Breezy
15 km/h
Light
14 km/h
Light
Humidity
94%
Extremely humid
99%
Extremely humid
93%
Extremely humid
84%
Extremely humid
84%
Extremely humid
81%
Extremely humid
82%
Extremely humid
83%
Extremely humid
83%
Extremely humid
Visibility
15 km
Good
0 km
Low
13 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
Pressure
1010 hPa
Normal
1010 hPa
Normal
1009 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
Clouds
100%
100%
99%
43%
11%
7%
9%
10%
10%
Dew point
18°
19°
18°
17°
17°
16°
16°
17°
17°
UV Index
0
0
0
0
0
0
0
1
3
Air quality
26
Good
25
Good
26
Good
27
Good
27
Good
28
Good
29
Good
30
Good
58
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
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
Pollutants
Low risk
High risk
PM10
20.2 μg/m3
20.2 μg/m3
8.6 μg/m3
8.6 μg/m3
8.6 μg/m3
8.6 μg/m3
8.6 μg/m3
8.6 μg/m3
18.1 μg/m3
PM25
4.6 μg/m3
4.5 μg/m3
4.3 μg/m3
4 μg/m3
3.6 μg/m3
3.2 μg/m3
2.9 μg/m3
2.5 μg/m3
12.8 μg/m3
NO2
0.5 ppb
0.5 ppb
0.4 ppb
0.4 ppb
0.4 ppb
0.4 ppb
0.4 ppb
0.4 ppb
0.3 ppb
SO2
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
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
27 ppb
27.3 ppb
27.8 ppb
28.6 ppb
29.6 ppb
30.5 ppb
31.5 ppb
32.3 ppb
33.7 ppb