Hourly Weather in San Jose, California, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
10 mph
Breezy
11 mph
Breezy
11 mph
Breezy
12 mph
Breezy
12 mph
Breezy
12 mph
Breezy
12 mph
Breezy
12 mph
Breezy
12 mph
Breezy
Humidity
87%
Extremely humid
88%
Extremely humid
88%
Extremely humid
86%
Extremely humid
88%
Extremely humid
88%
Extremely humid
87%
Extremely humid
83%
Extremely humid
83%
Extremely humid
Visibility
9 mi
Good
9 mi
Good
9 mi
Good
8 mi
Good
9 mi
Good
8 mi
Good
8 mi
Good
8 mi
Good
8 mi
Good
Pressure
1011 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1012 hPa
Normal
1011 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
1013 hPa
Normal
1013 hPa
Normal
Clouds
100%
44%
72%
100%
100%
100%
100%
100%
75%
Dew point
52°
52°
51°
49°
49°
49°
48°
43°
43°
UV Index
0
0
0
0
0
0
0
0
0
Air quality
19
Good
19
Good
19
Good
18
Good
18
Good
19
Good
19
Good
19
Good
20
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
0.05 μg/ft3
0.05 μg/ft3
0.05 μg/ft3
0.03 μg/ft3
0.02 μg/ft3
0.02 μg/ft3
0.02 μg/ft3
0.02 μg/ft3
0.02 μg/ft3
PM25
0.04 μg/ft3
0.04 μg/ft3
0.03 μg/ft3
0.02 μg/ft3
0.01 μg/ft3
0.01 μg/ft3
0.01 μg/ft3
0.01 μg/ft3
0.02 μg/ft3
NO2
1.93 ppb
1.73 ppb
1.53 ppb
1.32 ppb
1.19 ppb
1.06 ppb
0.93 ppb
0.87 ppb
0.81 ppb
SO2
0.14 ppb
0.18 ppb
0.23 ppb
0.27 ppb
0.39 ppb
0.51 ppb
0.62 ppb
0.77 ppb
0.91 ppb
CO
0.13 ppb
0.13 ppb
0.13 ppb
0.12 ppb
0.13 ppb
0.13 ppb
0.13 ppb
0.13 ppb
0.13 ppb
O3
19.08 ppb
19.47 ppb
19.85 ppb
20.24 ppb
20.74 ppb
21.24 ppb
21.75 ppb
22.56 ppb
23.37 ppb