Hourly Weather in Old Harbor, Massachusetts, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
9 mph
Light
8 mph
Light
7 mph
Light
7 mph
Light
7 mph
Light
7 mph
Light
7 mph
Light
7 mph
Light
11 mph
Breezy
Humidity
91%
Extremely humid
90%
Extremely humid
90%
Extremely humid
90%
Extremely humid
89%
Extremely humid
88%
Extremely humid
88%
Extremely humid
88%
Extremely humid
98%
Extremely humid
Visibility
7 mi
Good
5 mi
Fair
2 mi
Low
8 mi
Good
5 mi
Fair
0 mi
Low
6 mi
Fair
8 mi
Good
2 mi
Low
Pressure
1024 hPa
High
1024 hPa
High
1024 hPa
High
1024 hPa
High
1023 hPa
High
1023 hPa
High
1022 hPa
High
1022 hPa
High
1021 hPa
High
Clouds
100%
100%
100%
100%
100%
100%
100%
100%
100%
Dew point
51°
52°
54°
55°
56°
57°
58°
59°
59°
UV Index
0
0
1
1
1
1
2
1
2
Air quality
28
Good
30
Good
30
Good
30
Good
27
Good
27
Good
27
Good
27
Good
29
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
0.18 μg/ft3
0.19 μg/ft3
0.19 μg/ft3
0.19 μg/ft3
0.17 μg/ft3
0.13 μg/ft3
0.14 μg/ft3
0.16 μg/ft3
0.18 μg/ft3
PM25
0.14 μg/ft3
0.15 μg/ft3
0.15 μg/ft3
0.15 μg/ft3
0.14 μg/ft3
0.12 μg/ft3
0.12 μg/ft3
0.13 μg/ft3
0.15 μg/ft3
NO2
3.2 ppb
3.9 ppb
3.9 ppb
4 ppb
4.1 ppb
4.1 ppb
4.1 ppb
4.1 ppb
4.6 ppb
SO2
0.2 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.4 ppb
0.4 ppb
0.4 ppb
0.4 ppb
CO
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.2 ppb
0.2 ppb
0.2 ppb
O3
28.9 ppb
28.9 ppb
28.9 ppb
28.8 ppb
28.8 ppb
28.8 ppb
28.8 ppb
28.9 ppb
28.9 ppb