Daily Weather in San Ysidro, California, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
11 mph
Breezy
9 mph
Light
4 mph
Calm
5 mph
Calm
7 mph
Light
3 mph
Calm
8 mph
Light
5 mph
Calm
5 mph
Light
Humidity
92%
Extremely humid
93%
Extremely humid
74%
Extremely humid
73%
Extremely humid
85%
Extremely humid
96%
Extremely humid
96%
Extremely humid
96%
Extremely humid
93%
Extremely 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
1015 hPa
Normal
1023 hPa
High
1026 hPa
Very high
1024 hPa
High
1016 hPa
Normal
1019 hPa
High
1020 hPa
High
1018 hPa
High
1022 hPa
High
Clouds
100%
39%
0%
8%
100%
100%
100%
100%
8%
Dew point
38°
42°
38°
40°
42°
44°
44°
41°
37°
UV Index
3
5
6
8
Air quality
44
Good
80
Moderate
65
Moderate
39
Good
Pollen index
Tree
0 / 5
0 / 5
0 / 5
0 / 5
Weed
0 / 5
0 / 5
0 / 5
0 / 5
Grass
0 / 5
0 / 5
0 / 5
0 / 5
Pollutants
Low risk
High risk
PM10
0.26 μg/ft3
0.73 μg/ft3
0.48 μg/ft3
0.20 μg/ft3
PM25
0.21 μg/ft3
0.69 μg/ft3
0.47 μg/ft3
0.19 μg/ft3
NO2
8.8 ppb
33.1 ppb
30.9 ppb
9.8 ppb
SO2
2 ppb
4 ppb
1.5 ppb
0.9 ppb
CO
0.2 ppb
0.3 ppb
0.4 ppb
0.2 ppb
O3
47.4 ppb
50.2 ppb
56.6 ppb
64.1 ppb