Hourly Weather in Southborough, Massachusetts, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
7 mph
Light
6 mph
Light
6 mph
Light
6 mph
Light
6 mph
Light
6 mph
Light
7 mph
Light
8 mph
Light
9 mph
Light
Humidity
75%
Extremely humid
75%
Extremely humid
76%
Extremely humid
76%
Extremely humid
76%
Extremely humid
73%
Extremely humid
69%
Humid
65%
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
1026 hPa
Very high
1028 hPa
Very high
1028 hPa
Very high
1028 hPa
Very high
1028 hPa
Very high
1028 hPa
Very high
1028 hPa
Very high
1028 hPa
Very high
1028 hPa
Very high
Clouds
100%
19%
30%
4%
3%
0%
0%
0%
2%
Dew point
17°
16°
16°
15°
13°
12°
12°
14°
14°
UV Index
0
0
0
0
0
0
0
1
1
Air quality
45
Good
39
Good
36
Good
36
Good
38
Good
41
Good
40
Good
33
Good
31
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
0.28 μg/ft3
0.25 μg/ft3
0.22 μg/ft3
0.22 μg/ft3
0.24 μg/ft3
0.25 μg/ft3
0.25 μg/ft3
0.20 μg/ft3
0.16 μg/ft3
PM25
1.27 μg/ft3
1.12 μg/ft3
1.02 μg/ft3
1.01 μg/ft3
1.08 μg/ft3
1.16 μg/ft3
1.12 μg/ft3
0.93 μg/ft3
0.75 μg/ft3
NO2
5.9 ppb
5.2 ppb
6.2 ppb
7.1 ppb
8.1 ppb
6.6 ppb
5.1 ppb
3.6 ppb
3.1 ppb
SO2
0.9 ppb
0.9 ppb
1 ppb
1 ppb
1.1 ppb
1.2 ppb
1.2 ppb
1.3 ppb
1.2 ppb
CO
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
O3
22 ppb
22.7 ppb
23 ppb
23.1 ppb
22.9 ppb
24.1 ppb
26.3 ppb
28.9 ppb
31.2 ppb