Daily Weather in San Ysidro, California, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
10 mph
Breezy
9 mph
Light
10 mph
Breezy
8 mph
Light
8 mph
Light
5 mph
Calm
6 mph
Light
6 mph
Light
6 mph
Light
Humidity
93%
Extremely humid
81%
Extremely humid
99%
Extremely humid
99%
Extremely humid
81%
Extremely humid
58%
Comfortable
76%
Extremely humid
63%
Humid
58%
Comfortable
Visibility
10 mi
Good
15 mi
Good
15 mi
Good
15 mi
Good
15 mi
Good
15 mi
Good
15 mi
Good
15 mi
Good
15 mi
Good
Pressure
1020 hPa
High
1021 hPa
High
1020 hPa
High
1017 hPa
Normal
1018 hPa
Normal
1016 hPa
Normal
1019 hPa
High
1020 hPa
High
1020 hPa
High
Clouds
100%
100%
100%
100%
100%
100%
100%
63%
100%
Dew point
44°
41°
52°
53°
43°
38°
42°
39°
37°
UV Index
3
3
3
Air quality
39
Good
42
Good
57
Moderate
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
0.29 μg/ft3
0.32 μg/ft3
0.47 μg/ft3
PM25
0.23 μg/ft3
0.26 μg/ft3
0.43 μg/ft3
NO2
9.91 ppb
13.01 ppb
15.56 ppb
SO2
1.46 ppb
2.38 ppb
3.59 ppb
CO
0.19 ppb
0.2 ppb
0.21 ppb
O3
43.7 ppb
45.4 ppb
39.5 ppb