Hourly Weather in Tamalpais Valley, California, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
8 mph
Light
8 mph
Light
8 mph
Light
8 mph
Light
8 mph
Light
8 mph
Light
9 mph
Light
9 mph
Light
8 mph
Light
Humidity
78%
Extremely humid
76%
Extremely humid
70%
Extremely humid
71%
Extremely humid
72%
Extremely humid
73%
Extremely humid
74%
Extremely humid
82%
Extremely humid
86%
Extremely humid
Visibility
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
8 mi
Good
4 mi
Fair
Pressure
1023 hPa
High
1023 hPa
High
1023 hPa
High
1022 hPa
High
1022 hPa
High
1021 hPa
High
1021 hPa
High
1021 hPa
High
1021 hPa
High
Clouds
100%
100%
100%
97%
92%
100%
100%
56%
91%
Dew point
45°
45°
46°
47°
48°
49°
49°
51°
50°
UV Index
0
0
0
1
1
0
0
0
0
Air quality
29
Good
29
Good
29
Good
31
Good
35
Good
36
Good
36
Good
36
Good
35
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
0.12 μg/ft3
0.14 μg/ft3
0.14 μg/ft3
0.14 μg/ft3
0.14 μg/ft3
0.14 μg/ft3
0.15 μg/ft3
0.16 μg/ft3
0.18 μg/ft3
PM25
0.50 μg/ft3
0.54 μg/ft3
0.55 μg/ft3
0.52 μg/ft3
0.50 μg/ft3
0.51 μg/ft3
0.52 μg/ft3
0.56 μg/ft3
0.65 μg/ft3
NO2
2.8 ppb
3.1 ppb
2.3 ppb
1.5 ppb
0.7 ppb
1.1 ppb
1.5 ppb
1.9 ppb
2.9 ppb
SO2
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.4 ppb
0.3 ppb
CO
0.2 ppb
0.2 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.2 ppb
O3
29 ppb
28.9 ppb
29.4 ppb
31.3 ppb
34.8 ppb
36.1 ppb
36.3 ppb
35.9 ppb
34.9 ppb