Daily Weather in Groton, Massachusetts, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
15 km/h
Light
14 km/h
Light
14 km/h
Light
19 km/h
Breezy
26 km/h
Breezy
13 km/h
Light
8 km/h
Calm
8 km/h
Light
8 km/h
Light
Humidity
88%
Extremely humid
75%
Extremely humid
98%
Extremely humid
98%
Extremely humid
100%
Extremely humid
99%
Extremely humid
99%
Extremely humid
99%
Extremely humid
97%
Extremely humid
Visibility
16 km
Good
16 km
Good
16 km
Good
16 km
Good
8 km
Fair
16 km
Good
16 km
Good
16 km
Good
16 km
Good
Pressure
1021 hPa
High
1015 hPa
Normal
1012 hPa
Normal
1008 hPa
Low
1003 hPa
Very low
1005 hPa
Low
1008 hPa
Low
1011 hPa
Normal
1012 hPa
Normal
Clouds
7%
100%
22%
100%
100%
100%
100%
100%
100%
Dew point
14°
11°
17°
22°
21°
22°
21°
21°
22°
UV Index
7
8
7
3
2
Air quality
61
Moderate
79
Moderate
79
Moderate
58
Moderate
36
Good
Pollen index
Tree
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
Grass
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Pollutants
Low risk
High risk
PM10
16.2 μg/m3
25.3 μg/m3
25 μg/m3
15.7 μg/m3
6.7 μg/m3
PM25
14.5 μg/m3
24.1 μg/m3
23.9 μg/m3
12.6 μg/m3
5.7 μg/m3
NO2
19 ppb
22.7 ppb
15.9 ppb
6.7 ppb
3.8 ppb
SO2
0.4 ppb
0.4 ppb
0.4 ppb
0.5 ppb
0.3 ppb
CO
0.2 ppb
0.3 ppb
0.2 ppb
0.2 ppb
0.2 ppb
O3
53.9 ppb
58.1 ppb
76.5 ppb
58 ppb
38.5 ppb