Hourly Weather in Somerville, Massachusetts, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
17 mph
Breezy
17 mph
Breezy
16 mph
Breezy
15 mph
Breezy
15 mph
Breezy
16 mph
Breezy
16 mph
Breezy
16 mph
Breezy
16 mph
Breezy
Humidity
61%
Humid
54%
Comfortable
54%
Comfortable
55%
Comfortable
55%
Comfortable
54%
Comfortable
53%
Comfortable
52%
Comfortable
48%
Comfortable
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
1025 hPa
Very high
1026 hPa
Very high
1026 hPa
Very high
1028 hPa
Very high
1028 hPa
Very high
1028 hPa
Very high
1030 hPa
Very high
1030 hPa
Very high
1030 hPa
Very high
Clouds
17%
12%
8%
13%
3%
3%
1%
0%
1%
Dew point
11°
9°
8°
8°
8°
6°
6°
5°
3°
UV Index
0
0
0
0
0
0
0
0
0
Air quality
28
Good
28
Good
28
Good
28
Good
28
Good
28
Good
31
Good
36
Good
36
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
0.09 μg/ft3
0.09 μg/ft3
0.09 μg/ft3
0.09 μg/ft3
0.09 μg/ft3
0.09 μg/ft3
0.09 μg/ft3
0.07 μg/ft3
0.07 μg/ft3
PM25
0.09 μg/ft3
0.11 μg/ft3
0.12 μg/ft3
0.14 μg/ft3
0.17 μg/ft3
0.19 μg/ft3
0.21 μg/ft3
0.27 μg/ft3
0.27 μg/ft3
NO2
2.22 ppb
2.12 ppb
1.97 ppb
2.41 ppb
2.79 ppb
3.22 ppb
3.17 ppb
3.1 ppb
2.9 ppb
SO2
0.48 ppb
0.48 ppb
0.48 ppb
0.48 ppb
0.48 ppb
0.49 ppb
0.49 ppb
0.5 ppb
0.6 ppb
CO
0.1 ppb
0.1 ppb
0.1 ppb
0.16 ppb
0.16 ppb
0.17 ppb
0.17 ppb
0.2 ppb
0.2 ppb
O3
30.2 ppb
30.2 ppb
30.2 ppb
30.2 ppb
30.2 ppb
30.3 ppb
30.3 ppb
36.2 ppb
35.9 ppb