Hourly Weather in Southborough, Massachusetts, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
11 mph
Breezy
11 mph
Breezy
11 mph
Breezy
12 mph
Breezy
15 mph
Breezy
16 mph
Breezy
13 mph
Breezy
12 mph
Breezy
15 mph
Breezy
Humidity
86%
Extremely humid
86%
Extremely humid
85%
Extremely humid
84%
Extremely humid
81%
Extremely humid
80%
Extremely humid
96%
Extremely humid
96%
Extremely humid
94%
Extremely humid
Visibility
8 mi
Good
8 mi
Good
8 mi
Good
8 mi
Good
9 mi
Good
9 mi
Good
5 mi
Fair
4 mi
Fair
5 mi
Fair
Pressure
1013 hPa
Normal
1013 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1009 hPa
Normal
Clouds
100%
100%
100%
100%
100%
100%
100%
100%
100%
Dew point
46°
46°
46°
47°
49°
50°
55°
56°
57°
UV Index
0
0
0
0
0
0
0
0
1
Air quality
41
Good
43
Good
44
Good
43
Good
40
Good
35
Good
35
Good
35
Good
34
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
0.23 μg/ft3
0.24 μg/ft3
0.24 μg/ft3
0.24 μg/ft3
0.22 μg/ft3
0.20 μg/ft3
0.19 μg/ft3
0.19 μg/ft3
0.19 μg/ft3
PM25
0.21 μg/ft3
0.22 μg/ft3
0.22 μg/ft3
0.22 μg/ft3
0.20 μg/ft3
0.18 μg/ft3
0.17 μg/ft3
0.17 μg/ft3
0.17 μg/ft3
NO2
2.8 ppb
2.8 ppb
2.9 ppb
2.9 ppb
3.1 ppb
3.4 ppb
3.6 ppb
4.2 ppb
4.9 ppb
SO2
0.2 ppb
0.2 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.4 ppb
CO
0.2 ppb
0.2 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
O3
39 ppb
38.4 ppb
37.9 ppb
37.6 ppb
37.4 ppb
37.4 ppb
37.3 ppb
37.2 ppb
37 ppb