16.05
sat
sat
Day
64°F
NE 11 mph
Precip.
89%
89%
Night
61°F
N 10 mph
Precip.
63%
63%
17.05
sun
sun
Day
64°F
N 16 mph
Precip.
0%
0%
Night
61°F
N 11 mph
Precip.
72%
72%
18.05
mon
mon
Day
66°F
NE 10 mph
Precip.
0%
0%
Night
63°F
NE 2 mph
Precip.
0%
0%
19.05
tue
tue
Day
68°F
E 9 mph
Precip.
0%
0%
Night
64°F
SE 4 mph
Precip.
0%
0%
20.05
wed
wed
Day
70°F
E 9 mph
Precip.
0%
0%
Night
64°F
NE 3 mph
Precip.
0%
0%
21.05
thu
thu
Day
70°F
NE 8 mph
Precip.
0%
0%
Night
64°F
NE 4 mph
Precip.
0%
0%
22.05
fri
fri
Day
70°F
NE 9 mph
Precip.
0%
0%
Night
64°F
NE 5 mph
Precip.
0%
0%
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 May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 63.4°F. The highest and lowest sea temperatures during the month were 64.8°F and 62.2°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: 15:42
May 16, saturday
1800
64°F
NE
9 mph
9 mph
2100
63°F
NE
8 mph
8 mph
May 17, sunday
0000
61°F
N
10 mph
10 mph
0300
61°F
N
12 mph
12 mph
0600
61°F
N
13 mph
13 mph
0900
63°F
N
15 mph
15 mph
1200
64°F
N
16 mph
16 mph
1500
64°F
N
16 mph
16 mph
