Hourly Weather in San Jose, California, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
16 mph
Breezy
17 mph
Breezy
16 mph
Breezy
14 mph
Breezy
13 mph
Breezy
10 mph
Light
8 mph
Light
8 mph
Light
10 mph
Light
Humidity
23%
Very dry
24%
Very dry
26%
Very dry
30%
Very dry
32%
Dry
33%
Dry
36%
Dry
38%
Dry
38%
Dry
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
1006 hPa
Low
1006 hPa
Low
1006 hPa
Low
1007 hPa
Low
1008 hPa
Low
1009 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
1011 hPa
Normal
Clouds
0%
4%
0%
0%
0%
0%
0%
0%
0%
Dew point
41°
40°
40°
39°
39°
38°
37°
36°
34°
UV Index
0
0
0
0
0
0
0
0
0
Air quality
45
Good
45
Good
45
Good
44
Good
44
Good
44
Good
43
Good
42
Good
41
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
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
Pollutants
Low risk
High risk
PM10
0.06 μg/ft3
0.06 μg/ft3
0.07 μg/ft3
0.09 μg/ft3
0.11 μg/ft3
0.12 μg/ft3
0.13 μg/ft3
0.14 μg/ft3
0.14 μg/ft3
PM25
0.04 μg/ft3
0.04 μg/ft3
0.05 μg/ft3
0.06 μg/ft3
0.07 μg/ft3
0.08 μg/ft3
0.08 μg/ft3
0.09 μg/ft3
0.10 μg/ft3
NO2
0.34 ppb
0.45 ppb
0.55 ppb
0.7 ppb
0.86 ppb
1.01 ppb
1.09 ppb
1.18 ppb
1.27 ppb
SO2
0.12 ppb
0.14 ppb
0.17 ppb
0.21 ppb
0.25 ppb
0.29 ppb
0.29 ppb
0.3 ppb
0.31 ppb
CO
0.08 ppb
0.09 ppb
0.09 ppb
0.1 ppb
0.1 ppb
0.11 ppb
0.11 ppb
0.11 ppb
0.11 ppb
O3
48.09 ppb
48.22 ppb
48.34 ppb
47.45 ppb
46.55 ppb
45.66 ppb
44.14 ppb
42.61 ppb
41.09 ppb