Hourly Weather in South Grafton Street, Massachusetts, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
4 mph
Calm
4 mph
Calm
4 mph
Calm
5 mph
Calm
5 mph
Calm
5 mph
Light
6 mph
Light
7 mph
Light
8 mph
Light
Humidity
80%
Extremely humid
76%
Extremely humid
73%
Extremely humid
70%
Extremely humid
66%
Humid
64%
Humid
62%
Humid
61%
Humid
61%
Humid
Visibility
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
Pressure
1020 hPa
High
1019 hPa
High
1019 hPa
High
1018 hPa
High
1018 hPa
High
1018 hPa
High
1018 hPa
High
1018 hPa
High
1017 hPa
Normal
Clouds
62%
79%
100%
74%
100%
95%
100%
100%
98%
Dew point
52°
53°
53°
55°
55°
56°
56°
56°
55°
UV Index
3
5
6
6
5
4
3
2
1
Air quality
22
Good
24
Good
28
Good
31
Good
34
Good
36
Good
37
Good
38
Good
38
Good
Pollen index
Tree
1 / 5
1 / 5
1 / 5
2 / 5
3 / 5
3 / 5
2 / 5
2 / 5
3 / 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
1 / 5
1 / 5
Pollutants
Low risk
High risk
PM10
0.16 μg/ft3
0.15 μg/ft3
0.13 μg/ft3
0.13 μg/ft3
0.18 μg/ft3
0.23 μg/ft3
0.29 μg/ft3
0.34 μg/ft3
0.39 μg/ft3
PM25
0.11 μg/ft3
0.10 μg/ft3
0.09 μg/ft3
0.09 μg/ft3
0.12 μg/ft3
0.16 μg/ft3
0.20 μg/ft3
0.23 μg/ft3
0.27 μg/ft3
NO2
3.76 ppb
3.17 ppb
2.59 ppb
2.92 ppb
3.25 ppb
3.58 ppb
4.42 ppb
5.26 ppb
6.1 ppb
SO2
0.95 ppb
0.92 ppb
0.88 ppb
1 ppb
1.12 ppb
1.24 ppb
1.57 ppb
1.89 ppb
2.22 ppb
CO
0.15 ppb
0.14 ppb
0.13 ppb
0.14 ppb
0.14 ppb
0.14 ppb
0.15 ppb
0.16 ppb
0.16 ppb
O3
25.26 ppb
29.87 ppb
34.47 ppb
36.84 ppb
39.21 ppb
41.58 ppb
41.7 ppb
41.81 ppb
41.92 ppb