Hourly Weather in Princeton, New Jersey, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
3 km/h
Calm
9 km/h
Light
8 km/h
Light
8 km/h
Calm
6 km/h
Calm
2 km/h
Calm
5 km/h
Calm
5 km/h
Calm
5 km/h
Calm
Humidity
57%
Comfortable
54%
Comfortable
59%
Comfortable
62%
Humid
65%
Humid
70%
Extremely humid
63%
Humid
56%
Comfortable
50%
Comfortable
Visibility
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
Pressure
1016 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
Clouds
0%
0%
0%
0%
1%
0%
0%
0%
0%
Dew point
10°
9°
9°
10°
11°
11°
12°
13°
13°
UV Index
0
0
0
0
0
0
1
2
4
Air quality
33
Good
33
Good
34
Good
35
Good
36
Good
36
Good
38
Good
55
Moderate
51
Moderate
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
9.7 μg/m3
9.7 μg/m3
9.7 μg/m3
9.7 μg/m3
9.7 μg/m3
9.7 μg/m3
9.7 μg/m3
13 μg/m3
10.8 μg/m3
PM25
5.8 μg/m3
5.9 μg/m3
6 μg/m3
6.2 μg/m3
6.4 μg/m3
6.5 μg/m3
6.7 μg/m3
11 μg/m3
9.1 μg/m3
NO2
17.3 ppb
20 ppb
22.6 ppb
25.2 ppb
21.2 ppb
17.1 ppb
13 ppb
7.8 ppb
4.7 ppb
SO2
0.5 ppb
0.5 ppb
0.5 ppb
0.5 ppb
0.5 ppb
0.5 ppb
0.6 ppb
0.5 ppb
0.5 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
25.5 ppb
26.7 ppb
28.5 ppb
30.5 ppb
32.7 ppb
34.7 ppb
36.5 ppb
28.8 ppb
39.7 ppb