Hourly Weather in Hopkinton, Massachusetts, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
2 km/h
Calm
4 km/h
Calm
5 km/h
Calm
4 km/h
Calm
6 km/h
Calm
5 km/h
Calm
5 km/h
Calm
6 km/h
Calm
7 km/h
Calm
Humidity
56%
Comfortable
46%
Comfortable
42%
Dry
40%
Dry
39%
Dry
35%
Dry
38%
Dry
36%
Dry
37%
Dry
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
1023 hPa
High
1024 hPa
High
1023 hPa
High
1023 hPa
High
1022 hPa
High
1021 hPa
High
1022 hPa
High
1021 hPa
High
1021 hPa
High
Clouds
0%
0%
1%
1%
4%
2%
0%
2%
2%
Dew point
13°
12°
11°
11°
11°
10°
11°
10°
11°
UV Index
4
6
7
7
7
5
3
2
1
Air quality
31
Good
33
Good
34
Good
36
Good
38
Good
40
Good
60
Moderate
60
Moderate
59
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
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Pollutants
Low risk
High risk
PM10
10.8 μg/m3
10.8 μg/m3
10.8 μg/m3
10.8 μg/m3
10.8 μg/m3
10.8 μg/m3
15 μg/m3
14.8 μg/m3
14.5 μg/m3
PM25
5.5 μg/m3
5.8 μg/m3
6.1 μg/m3
6.5 μg/m3
6.8 μg/m3
7.1 μg/m3
13.9 μg/m3
13.7 μg/m3
13.5 μg/m3
NO2
2.9 ppb
1.1 ppb
1 ppb
0.9 ppb
0.7 ppb
0.8 ppb
0.9 ppb
1 ppb
2.1 ppb
SO2
0.2 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.2 ppb
CO
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.1 ppb
0.1 ppb
0.2 ppb
0.2 ppb
0.2 ppb
O3
10.5 ppb
15 ppb
20.4 ppb
25.9 ppb
31.2 ppb
35.8 ppb
58.9 ppb
59.8 ppb
59.3 ppb