Daily Weather in Needham Junction, Massachusetts, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
15 km/h
Light
25 km/h
Breezy
23 km/h
Breezy
12 km/h
Light
15 km/h
Light
9 km/h
Light
12 km/h
Light
11 km/h
Light
7 km/h
Calm
Humidity
93%
Extremely humid
99%
Extremely humid
99%
Extremely humid
99%
Extremely humid
99%
Extremely humid
97%
Extremely humid
97%
Extremely humid
97%
Extremely humid
87%
Extremely humid
Visibility
16 km
Good
16 km
Good
16 km
Good
16 km
Good
15 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
Pressure
1011 hPa
Normal
1010 hPa
Normal
1007 hPa
Low
1008 hPa
Low
1012 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
1014 hPa
Normal
1015 hPa
Normal
Clouds
23%
100%
100%
100%
100%
100%
100%
100%
67%
Dew point
18°
20°
21°
21°
19°
20°
21°
22°
20°
UV Index
7
5
1
2
4
Air quality
67
Moderate
77
Moderate
52
Moderate
59
Moderate
54
Moderate
Pollen index
Tree
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
Grass
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Pollutants
Low risk
High risk
PM10
24.8 μg/m3
24.2 μg/m3
11.7 μg/m3
15.5 μg/m3
12.5 μg/m3
PM25
17.7 μg/m3
22.6 μg/m3
9.5 μg/m3
13.5 μg/m3
10.4 μg/m3
NO2
19.8 ppb
5.8 ppb
7.3 ppb
20.5 ppb
11 ppb
SO2
0.6 ppb
0.5 ppb
0.4 ppb
0.7 ppb
0.7 ppb
CO
0.3 ppb
0.2 ppb
0.2 ppb
0.3 ppb
0.2 ppb
O3
53.9 ppb
68 ppb
43.5 ppb
61.3 ppb
55.3 ppb