Hourly Weather in Tempe, Arizona, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
6 mph
Light
5 mph
Light
5 mph
Calm
4 mph
Calm
4 mph
Calm
4 mph
Calm
4 mph
Calm
4 mph
Calm
4 mph
Calm
Humidity
57%
Comfortable
64%
Humid
69%
Humid
72%
Extremely humid
73%
Extremely humid
76%
Extremely humid
72%
Extremely humid
63%
Humid
50%
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
1011 hPa
Normal
1010 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
1013 hPa
Normal
1012 hPa
Normal
Clouds
4%
3%
100%
100%
70%
100%
90%
100%
100%
Dew point
47°
48°
49°
49°
49°
48°
50°
53°
53°
UV Index
0
0
0
0
0
0
0
2
4
Air quality
27
Good
27
Good
27
Good
26
Good
26
Good
27
Good
30
Good
32
Good
32
Good
Pollen index
Tree
5 / 5
5 / 5
5 / 5
3 / 5
4 / 5
5 / 5
5 / 5
5 / 5
4 / 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
0.31 μg/ft3
0.30 μg/ft3
0.29 μg/ft3
0.29 μg/ft3
0.29 μg/ft3
0.30 μg/ft3
0.36 μg/ft3
0.38 μg/ft3
0.40 μg/ft3
PM25
0.19 μg/ft3
0.18 μg/ft3
0.18 μg/ft3
0.18 μg/ft3
0.18 μg/ft3
0.19 μg/ft3
0.23 μg/ft3
0.24 μg/ft3
0.24 μg/ft3
NO2
4.81 ppb
4.84 ppb
5.08 ppb
5.33 ppb
5.57 ppb
4.59 ppb
3.6 ppb
2.62 ppb
1.94 ppb
SO2
0.62 ppb
0.54 ppb
0.52 ppb
0.5 ppb
0.48 ppb
0.47 ppb
0.47 ppb
0.47 ppb
0.49 ppb
CO
0.17 ppb
0.17 ppb
0.17 ppb
0.17 ppb
0.17 ppb
0.18 ppb
0.18 ppb
0.18 ppb
0.17 ppb
O3
23.03 ppb
19.96 ppb
17.77 ppb
15.59 ppb
13.41 ppb
17.97 ppb
22.54 ppb
27.1 ppb
39.03 ppb