25.08
tue
tue
Day
90°F
E 9 mph
Precip.
3%
3%
Night
77°F
NE 4 mph
Precip.
5%
5%
26.08
wed
wed
Day
77°F
N 11 mph
Precip.
16%
16%
Night
75°F
E 6 mph
Precip.
18%
18%
27.08
thu
thu
Day
77°F
NE 9 mph
Precip.
6%
6%
Night
75°F
NE 2 mph
Precip.
6%
6%
28.08
fri
fri
Day
79°F
E 7 mph
Precip.
3%
3%
Night
75°F
E 5 mph
Precip.
7%
7%
29.08
sat
sat
Day
79°F
E 9 mph
Precip.
5%
5%
Night
73°F
E 4 mph
Precip.
8%
8%
30.08
sun
sun
Day
77°F
NE 8 mph
Precip.
4%
4%
Night
72°F
N 3 mph
Precip.
7%
7%
31.08
mon
mon
Day
75°F
NE 8 mph
Precip.
15%
15%
Night
73°F
E 3 mph
Precip.
15%
15%
sea water
temperature
temperature
| San Diego |
monthly
weather
weather
| San Diego |
current
weather
weather
| San Diego |
14 days
forecast
forecast
| San Diego |
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 71.7°F. The highest and lowest sea temperatures during the month were 75.4°F and 67.8°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 67.3°F. The highest and lowest sea temperatures during the month were 70.5°F and 63.1°F.
Air temperature in San Diego, °F
Precipitation total in San Diego, in.
* Charts above show average data for the last 3 years.
Best time for vacation in San Diego
San Diego on a weather map
Places in USA:
Name
°F
24 Hours Forecast
San Diego
Local time: 14:05
August 25, tuesday
1500
77°F
E
7 mph
7 mph
1800
77°F
E
7 mph
7 mph
2100
75°F
E
2 mph
2 mph
August 26, wednesday
0000
77°F
NE
4 mph
4 mph
0300
75°F
NE
4 mph
4 mph
0600
73°F
NE
3 mph
3 mph
0900
77°F
N
6 mph
6 mph
1200
77°F
N
11 mph
11 mph
