San Ysidro Weather Conditions
Current Temperature Level
18 °C
54 AQI
Air quality index is: Moderate
Last Updated: 2025-08-14 00:15 (Local Time)
MapSan Ysidro
San Ysidro Weather Parameters
6 km/h
2 m/s
264° W
100 %
13 km
0 mm
1015 mb
UV Index0
Suggestions for
TodaySan Ysidro14 Aug.
Hydration• Stay Hydrated
Clothing• Layering Must
Driving• Enjoy Driving
Sunscreen• ApplyTrending in United States
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San Ysidro 10-Days Weather Forecast
Today
20°C
83 %Friday
19°C81 %Saturday
18°C79 %Sunday
21°C67 %Monday
21°C68 %Tuesday
24°C55 %Wednesday
25°C54 %Thursday
26°C46 %Friday
26°C45 %Saturday
26°C49 %Partly Cloudy
Periodic cloud cover with temperature at 20 °C. Humidity will be at 83%, and winds will be at 12.6 km/h.24°C / 18°C
Humi.83 %
Prec.0 mm
Sunrise
06:11 AM13hrs 23min
Sunset
07:34 PMTime
Condition
Temp
Humidity
UV
Wind Speed & Dir.
12 AM
Partly Cloudy
19 °C
83 %
0
6.5 kmph / W
Partly Cloudy 
Feels 19.1 °C
Cover 34 %
Visibility 10 km
1 AM
Overcast
18 °C
88 %
0
6.1 kmph / W
OvercastFeels 18.7 °C
Cover 100 %
Visibility 13 km
2 AM
Partly Cloudy
18 °C
88 %
0
5.8 kmph / W
Partly Cloudy Feels 18.4 °C
Cover 40 %
Visibility 10 km
3 AM
Partly Cloudy
18 °C
91 %
0
6.1 kmph / W
Partly Cloudy Feels 18.1 °C
Cover 41 %
Visibility 10 km
4 AM
Partly Cloudy
18 °C
92 %
0
5.8 kmph / W
Partly Cloudy Feels 18 °C
Cover 51 %
Visibility 10 km
5 AM
Partly Cloudy
18 °C
92 %
0
5.8 kmph / WSW
Partly Cloudy Feels 18 °C
Cover 60 %
Visibility 10 km
6 AM
Partly Cloudy
18 °C
92 %
0
5.4 kmph / SW
Partly Cloudy Feels 18 °C
Cover 62 %
Visibility 10 km
7 AM
Cloudy
18 °C
92 %
0.2
5.4 kmph / SW
Cloudy Feels 17.9 °C
Cover 66 %
Visibility 10 km
8 AM
Cloudy
18 °C
92 %
0.9
4 kmph / SSW
Cloudy Feels 18.1 °C
Cover 70 %
Visibility 10 km
9 AM
Cloudy
19 °C
92 %
2.6
5.8 kmph / SW
Cloudy Feels 18.6 °C
Cover 71 %
Visibility 10 km
10 AM
Cloudy
20 °C
91 %
4.8
6.8 kmph / SSW
Cloudy Feels 19.5 °C
Cover 71 %
Visibility 10 km
11 AM
Cloudy
21 °C
86 %
7.2
8.3 kmph / SW
Cloudy Feels 21 °C
Cover 63 %
Visibility 10 km
12 PM
Partly Cloudy
22 °C
78 %
9.3
9.4 kmph / SW
Partly Cloudy Feels 23.8 °C
Cover 40 %
Visibility 10 km
1 PM
Partly Cloudy
23 °C
72 %
9.8
10.8 kmph / SW
Partly Cloudy Feels 24.8 °C
Cover 40 %
Visibility 10 km
2 PM
Partly Cloudy
24 °C
71 %
8.7
11.9 kmph / SW
Partly Cloudy Feels 25.3 °C
Cover 39 %
Visibility 10 km
3 PM
Partly Cloudy
24 °C
70 %
6.6
12.6 kmph / WSW
Partly Cloudy Feels 25.5 °C
Cover 39 %
Visibility 10 km
4 PM
Partly Cloudy
24 °C
71 %
4.1
12.6 kmph / SW
Partly Cloudy Feels 25.5 °C
Cover 40 %
Visibility 10 km
5 PM
Partly Cloudy
24 °C
71 %
1.9
12.2 kmph / WSW
Partly Cloudy Feels 25.3 °C
Cover 40 %
Visibility 10 km
6 PM
Partly Cloudy
23 °C
71 %
0.6
11.9 kmph / WSW
Partly Cloudy Feels 25.1 °C
Cover 40 %
Visibility 10 km
7 PM
Partly Cloudy
22 °C
73 %
0
10.8 kmph / WSW
Partly Cloudy Feels 24.7 °C
Cover 39 %
Visibility 10 km
8 PM
Partly Cloudy
21 °C
76 %
0
10.4 kmph / W
Partly Cloudy Feels 21.4 °C
Cover 39 %
Visibility 10 km
9 PM
Partly Cloudy
20 °C
80 %
0
9.4 kmph / W
Partly Cloudy Feels 20.2 °C
Cover 39 %
Visibility 10 km
10 PM
Partly Cloudy
19 °C
85 %
0
9 kmph / W
Partly Cloudy Feels 19.4 °C
Cover 41 %
Visibility 10 km
11 PM
Partly Cloudy
19 °C
88 %
0
7.6 kmph / W
Partly Cloudy Feels 18.7 °C
Cover 43 %
Visibility 10 km
Today
20°C83 %Friday
19°C81 %Saturday
18°C79 %Sunday
21°C67 %Monday
21°C68 %Tuesday
24°C55 %Wednesday
25°C54 %Thursday
26°C46 %Friday
26°C45 %Saturday
26°C49 %Temp18 °C
ConditionOvercast
Humidity88 %
Feels18.7 °C
Cover100 %
Visibility13 km
Wind Speed & Dir.6.1 kmph / W
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
12Tue.
24°17 °C
13Wed.
24°18 °C
14Today
24°18 °C
15Fri.
22°16 °C
16Sat.
22°15 °C
17Sun.
25°16 °C
18Mon.
27°18 °C
19Tue.
29°20 °C
20Wed.
28°21 °C
21Thu.
30°22 °C
22Fri.
31°22 °C
23Sat.
31°22 °C
24Sun.
30°22 °C
25Mon.
28°22 °C
26Tue.
25°20 °C
27Wed.
27°18 °C
28Thu.
29°21 °C
29Fri.
29°21 °C
30Sat.
28°21 °C
31Sun.
28°21 °C
AugustWeather Overview
No. of days:
Sunny
13
Cloudy
16
Rainy
2
Snowy
0
The monthly weather averages in San Ysidro consist of 13 sunny days, 16 cloudy days, 2 rainy days, and 0 snowy days.
United States's Hottest Cities - August 2025
1.
Queen Valley, United States
Partly Cloudy
18%
0
12.6 kmph / SE
2.
Summerlin South, United States
Clear
14%
0
7.9 kmph / SW
3.
Spring Valley, United States
Clear
14%
0
7.9 kmph / SW
4.
Las Vegas, United States
Clear
14%
0
7.9 kmph / SW
5.
Henderson, United States
Clear
14%
0
8.3 kmph / SSW
6.
Fort McDowell, United States
Clear
20%
0
13.7 kmph / SE
7.
Blythe, United States
Clear
28%
0
16.2 kmph / SSW
8.
Fountain Hills, United States
Clear
20%
0
13.7 kmph / SE
9.
Mesquite, United States
Clear
14%
0
6.5 kmph / SSE
10.
Boulder City, United States
Clear
15%
0
14.8 kmph / S
Last Updated: 14 Aug 2025, 07:38 AM
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