Hourly Weather in Port Costa, California, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
23 km/h
Breezy
23 km/h
Breezy
23 km/h
Breezy
23 km/h
Breezy
22 km/h
Breezy
19 km/h
Breezy
15 km/h
Light
12 km/h
Light
13 km/h
Light
Humidity
46%
Comfortable
43%
Dry
42%
Dry
43%
Dry
48%
Comfortable
56%
Comfortable
64%
Humid
69%
Humid
71%
Extremely humid
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
1015 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
1%
0%
0%
0%
0%
0%
0%
0%
0%
Dew point
11°
11°
11°
10°
11°
11°
11°
11°
11°
UV Index
8
5
3
1
0
0
0
0
0
Air quality
34
Good
39
Good
43
Good
48
Good
51
Moderate
40
Good
37
Good
35
Good
34
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
10.8 μg/m3
10.8 μg/m3
10.8 μg/m3
10.8 μg/m3
10.8 μg/m3
10.3 μg/m3
9.4 μg/m3
8.8 μg/m3
8.3 μg/m3
PM25
6.1 μg/m3
6.9 μg/m3
7.7 μg/m3
8.5 μg/m3
9.2 μg/m3
7 μg/m3
6.6 μg/m3
6.3 μg/m3
6.1 μg/m3
NO2
0.9 ppb
0.9 ppb
0.9 ppb
1.6 ppb
2.2 ppb
2.4 ppb
2.9 ppb
3.4 ppb
3.9 ppb
SO2
0.4 ppb
0.4 ppb
0.4 ppb
0.4 ppb
0.4 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
CO
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
O3
21.6 ppb
22.8 ppb
24.1 ppb
25.3 ppb
26.3 ppb
23.6 ppb
23.2 ppb
22.3 ppb
21 ppb