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
9 mph
Light
9 mph
Light
10 mph
Light
9 mph
Light
9 mph
Light
10 mph
Light
10 mph
Light
Humidity
82%
Extremely humid
86%
Extremely humid
86%
Extremely humid
86%
Extremely humid
87%
Extremely humid
86%
Extremely humid
88%
Extremely humid
87%
Extremely humid
87%
Extremely humid
Visibility
7 mi
Good
8 mi
Good
8 mi
Good
0 mi
Low
0 mi
Low
0 mi
Low
0 mi
Low
0 mi
Low
0 mi
Low
Pressure
1024 hPa
High
1024 hPa
High
1024 hPa
High
1024 hPa
High
1024 hPa
High
1024 hPa
High
1024 hPa
High
1024 hPa
High
1024 hPa
High
Clouds
100%
100%
100%
100%
100%
100%
100%
100%
100%
Dew point
48°
49°
49°
49°
49°
49°
49°
49°
49°
UV Index
2
1
0
0
0
0
0
0
0
Air quality
61
Moderate
62
Moderate
62
Moderate
63
Moderate
63
Moderate
64
Moderate
65
Moderate
67
Moderate
69
Moderate
Pollen index
Tree
2 / 5
2 / 5
2 / 5
2 / 5
1 / 5
2 / 5
2 / 5
1 / 5
1 / 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
0.54 μg/ft3
0.54 μg/ft3
0.53 μg/ft3
0.53 μg/ft3
0.54 μg/ft3
0.55 μg/ft3
0.57 μg/ft3
0.61 μg/ft3
0.65 μg/ft3
PM25
0.41 μg/ft3
0.42 μg/ft3
0.42 μg/ft3
0.43 μg/ft3
0.44 μg/ft3
0.45 μg/ft3
0.47 μg/ft3
0.50 μg/ft3
0.53 μg/ft3
NO2
10.3 ppb
11.6 ppb
13.9 ppb
16.2 ppb
18.5 ppb
18.6 ppb
18.8 ppb
18.9 ppb
19.5 ppb
SO2
1.7 ppb
1.8 ppb
1.7 ppb
1.6 ppb
1.5 ppb
1.5 ppb
1.5 ppb
1.5 ppb
1.5 ppb
CO
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
O3
29.6 ppb
28.9 ppb
26.9 ppb
24.2 ppb
21.3 ppb
19.7 ppb
17.9 ppb
16.5 ppb
15.2 ppb