Daily Weather in Johannesburg, California, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
9 mph
Light
5 mph
Calm
4 mph
Calm
10 mph
Breezy
15 mph
Breezy
13 mph
Breezy
5 mph
Calm
6 mph
Light
5 mph
Light
Humidity
84%
Extremely humid
88%
Extremely humid
69%
Humid
82%
Extremely humid
76%
Extremely humid
71%
Extremely humid
71%
Extremely humid
68%
Humid
68%
Humid
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
1021 hPa
High
1020 hPa
High
1018 hPa
High
1011 hPa
Normal
1016 hPa
Normal
1021 hPa
High
1021 hPa
High
1017 hPa
Normal
1017 hPa
Normal
Clouds
100%
2%
0%
100%
100%
81%
33%
91%
95%
Dew point
47°
39°
41°
49°
43°
24°
33°
40°
43°
UV Index
2
7
8
0
Air quality
34
Good
48
Good
54
Moderate
Pollen index
Tree
0 / 5
0 / 5
0 / 5
0 / 5
Weed
0 / 5
0 / 5
0 / 5
0 / 5
Grass
1 / 5
1 / 5
1 / 5
0 / 5
Pollutants
Low risk
High risk
PM10
0.23 μg/ft3
0.19 μg/ft3
0.19 μg/ft3
0.13 μg/ft3
PM25
0.14 μg/ft3
0.12 μg/ft3
0.13 μg/ft3
0.09 μg/ft3
NO2
3.8 ppb
3.9 ppb
5 ppb
4.3 ppb
SO2
0.1 ppb
0.6 ppb
0.4 ppb
0.2 ppb
CO
0.1 ppb
0.1 ppb
0.2 ppb
0.1 ppb
O3
36.9 ppb
52 ppb
59.6 ppb
24.9 ppb