San Ysidro Weather Conditions
Current Temperature Level
18 °C
57 AQI
Air quality index is: Moderate
Last Updated: 2025-08-12 23:15 (Local Time)
MapSan Ysidro
San Ysidro Weather Parameters
7 km/h
3 m/s
231° SW
0 %
9.7 km
0 mm
1015 mb
UV Index0
Suggestions for
WednesdaySan Ysidro13 Aug.
Umbrella• Not required
Clothing• Layering Must
Driving• Enjoy Driving
Sunscreen• ApplyTrending in United States
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San Ysidro 10-Days Weather Forecast
Today
20°C
79 %Thursday
20°C78 %Friday
20°C72 %Saturday
20°C67 %Sunday
21°C66 %Monday
22°C65 %Tuesday
23°C62 %Wednesday
24°C60 %Thursday
24°C55 %Friday
26°C50 %Partly Cloudy
Periodic cloud cover with temperature at 20 °C. Humidity will be at 79%, and winds will be at 11.9 km/h.24°C / 17°C
Humi.79 %
Prec.0 mm
Sunrise
06:11 AM13hrs 24min
Sunset
07:35 PMTime
Condition
Temp
Humidity
UV
Wind Speed & Dir.
12 AM
Partly Cloudy
19 °C
86 %
0
5.8 kmph / SW
Partly Cloudy 
Feels 18.5 °C
Cover 42 %
Visibility 10 km
1 AM
Partly Cloudy
18 °C
87 %
0
6.5 kmph / SW
Partly Cloudy Feels 18.2 °C
Cover 42 %
Visibility 10 km
2 AM
Partly Cloudy
18 °C
88 %
0
6.5 kmph / SW
Partly Cloudy Feels 18 °C
Cover 40 %
Visibility 10 km
3 AM
Partly Cloudy
18 °C
89 %
0
6.5 kmph / SW
Partly Cloudy Feels 17.7 °C
Cover 40 %
Visibility 10 km
4 AM
Partly Cloudy
17 °C
91 %
0
6.5 kmph / SW
Partly Cloudy Feels 17.4 °C
Cover 40 %
Visibility 10 km
5 AM
Partly Cloudy
17 °C
92 %
0
5.8 kmph / SW
Partly Cloudy Feels 17.1 °C
Cover 40 %
Visibility 10 km
6 AM
Partly Cloudy
17 °C
92 %
0
5 kmph / SW
Partly Cloudy Feels 17 °C
Cover 40 %
Visibility 10 km
7 AM
Partly Cloudy
17 °C
92 %
0.2
5 kmph / SW
Partly Cloudy Feels 17 °C
Cover 40 %
Visibility 10 km
8 AM
Partly Cloudy
17 °C
90 %
0.9
5 kmph / SSW
Partly Cloudy Feels 17.4 °C
Cover 39 %
Visibility 10 km
9 AM
Partly Cloudy
18 °C
85 %
2.4
5.8 kmph / SW
Partly Cloudy Feels 18.4 °C
Cover 39 %
Visibility 10 km
10 AM
Partly Cloudy
20 °C
79 %
4.6
5.8 kmph / SSW
Partly Cloudy Feels 19.7 °C
Cover 39 %
Visibility 10 km
11 AM
Partly Cloudy
21 °C
74 %
6.9
7.2 kmph / SW
Partly Cloudy Feels 20.8 °C
Cover 40 %
Visibility 10 km
12 PM
Partly Cloudy
22 °C
72 %
8.7
9.4 kmph / SW
Partly Cloudy Feels 21.6 °C
Cover 41 %
Visibility 10 km
1 PM
Partly Cloudy
22 °C
70 %
9.1
10.4 kmph / WSW
Partly Cloudy Feels 24.2 °C
Cover 40 %
Visibility 10 km
2 PM
Partly Cloudy
23 °C
68 %
8.2
10.8 kmph / WSW
Partly Cloudy Feels 24.7 °C
Cover 40 %
Visibility 10 km
3 PM
Partly Cloudy
23 °C
67 %
6.3
11.9 kmph / WSW
Partly Cloudy Feels 25 °C
Cover 40 %
Visibility 10 km
4 PM
Partly Cloudy
23 °C
66 %
3.9
11.9 kmph / WSW
Partly Cloudy Feels 25 °C
Cover 40 %
Visibility 10 km
5 PM
Partly Cloudy
23 °C
67 %
1.8
11.9 kmph / WSW
Partly Cloudy Feels 25 °C
Cover 40 %
Visibility 10 km
6 PM
Partly Cloudy
23 °C
68 %
0.6
11.9 kmph / WSW
Partly Cloudy Feels 24.9 °C
Cover 40 %
Visibility 10 km
7 PM
Partly Cloudy
22 °C
69 %
0
10.4 kmph / WSW
Partly Cloudy Feels 22 °C
Cover 40 %
Visibility 10 km
8 PM
Partly Cloudy
21 °C
75 %
0
10.1 kmph / WSW
Partly Cloudy Feels 21.1 °C
Cover 41 %
Visibility 10 km
9 PM
Partly Cloudy
20 °C
78 %
0
9.4 kmph / WSW
Partly Cloudy Feels 20.2 °C
Cover 41 %
Visibility 10 km
10 PM
Partly Cloudy
21 °C
81 %
0
6.5 kmph / WSW
Partly Cloudy Feels 21.4 °C
Cover 41 %
Visibility 10 km
11 PM
Clear
20 °C
59 %
0
6.1 kmph / W
Clear Feels 20 °C
Cover 0 %
Visibility 10 km
Today
20°C79 %Thursday
20°C78 %Friday
20°C72 %Saturday
20°C67 %Sunday
21°C66 %Monday
22°C65 %Tuesday
23°C62 %Wednesday
24°C60 %Thursday
24°C55 %Friday
26°C50 %Temp19 °C
ConditionPartly Cloudy
Humidity86 %
Feels18.5 °C
Cover42 %
Visibility10 km
Wind Speed & Dir.5.8 kmph / SW
UV0
San Ysidro 30-Days (August 2025) Weather Forecast
Sun.
Mon.
Tue.
Wed.
Thu.
Fri.
Sat.
1Fri.
23°17 °C
2Sat.
25°17 °C
3Sun.
24°17 °C
4Mon.
25°17 °C
5Tue.
25°17 °C
6Wed.
27°18 °C
7Thu.
28°19 °C
8Fri.
26°20 °C
9Sat.
24°17 °C
10Sun.
25°17 °C
11Mon.
24°18 °C
12Today
24°17 °C
13Wed.
24°17 °C
14Thu.
24°17 °C
15Fri.
24°16 °C
16Sat.
23°17 °C
17Sun.
25°18 °C
18Mon.
26°18 °C
19Tue.
28°19 °C
20Wed.
27°20 °C
21Thu.
28°20 °C
22Fri.
30°22 °C
23Sat.
29°23 °C
24Sun.
30°23 °C
25Mon.
28°24 °C
26Tue.
28°20 °C
27Wed.
29°21 °C
28Thu.
29°21 °C
29Fri.
29°21 °C
30Sat.
28°21 °C
31Sun.
28°21 °C
AugustWeather Overview
No. of days:
Sunny
11
Cloudy
15
Rainy
5
Snowy
0
The monthly weather averages in San Ysidro consist of 11 sunny days, 15 cloudy days, 5 rainy days, and 0 snowy days.
United States's Hottest Cities - August 2025
1.
Guadalupe, United States
Cloudy
18%
0
11.2 kmph / SSW
2.
Tolleson, United States
Cloudy
18%
0
11.2 kmph / SSW
3.
Surprise, United States
Partly Cloudy
19%
0
7.2 kmph / SW
4.
Sun City, United States
Partly Cloudy
19%
0
7.2 kmph / SW
5.
Phoenix, United States
Partly cloudy
21%
0
11.2 kmph / SSW
6.
Tempe, United States
Partly cloudy
21%
0
10.8 kmph / S
7.
Camp Creek, United States
Thundery outbreaks in nearby
21%
0
9.4 kmph / NNE
8.
Scottsdale, United States
Thundery outbreaks in nearby
21%
0
11.2 kmph / S
9.
Cave Creek, United States
Clear
23%
0
7.6 kmph / NW
10.
Fountain Hills, United States
Thundery outbreaks in nearby
20%
0
9 kmph / E
Last Updated: 13 Aug 2025, 06:35 AM
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