Current sea water temperature:
+85.1°F
| Minimum sea water temperature in October: | 88.0°F |
| Maximum sea water temperature in October: | 82.8°F |
| Average sea water temperature in October: | 84.8°F |
| more information | |
14 days
forecast
forecast
| San Diego |
monthly
weather
weather
| San Diego |
Sea water temperature for the last 10 days:
| October 15 | 85.1°F | October 10 | 86.4°F |
| October 14 | 85.6°F | October 9 | 85.8°F |
| October 13 | 86.0°F | October 8 | 86.0°F |
| October 12 | 85.6°F | October 7 | 85.5°F |
| October 11 | 86.2°F | October 6 | 84.9°F |
Monthly sea water temperature, °F
When is the warmest sea in San Diego?
Based on the data about daily sea water temperature for the last three years the warmest sea in San Diego was noticed in September, October and May.
Monthly Sea Temperatures in San Diego, °F
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 85.5°F. The highest and lowest sea temperatures during the month were 86.7°F and 84.6°F.
Sea water temperature in October, °F
Show year:
2026
2025
2024
The average sea water temperature in October of 2026 was 85.6°F. The highest and lowest sea temperatures during the month were 86.4°F and 84.9°F.
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 85.4°F. The highest and lowest sea temperatures during the month were 86.9°F and 84.0°F.
current
weather
weather
| San Diego |
weather in
October
October
| San Diego |
Best time for vacation in San Diego
San Diego on a weather map
Places in Nicaragua:
Name
°F
24 Hours Forecast
San Diego
Local time: 15:53
October 15, thursday
1800

81°F
W
3 mph
3 mph
2100

79°F
S
6 mph
6 mph
October 16, friday
0000

79°F
SW
4 mph
4 mph
0300

77°F
SW
4 mph
4 mph
0600

77°F
SW
4 mph
4 mph
0900

84°F
W
5 mph
5 mph
1200

86°F
NE
9 mph
9 mph
1500

86°F
NE
6 mph
6 mph

























