Current sea water temperature:
+80.4°F
| Minimum sea water temperature in March: | 86.2°F |
| Maximum sea water temperature in March: | 75.6°F |
| Average sea water temperature in March: | 81.0°F |
| more information | |
14 days
forecast
forecast
| San Diego |
monthly
weather
weather
| San Diego |
Sea water temperature for the last 10 days:
| March 16 | 80.4°F | March 11 | 79.2°F |
| March 15 | 79.9°F | March 10 | 78.4°F |
| March 14 | 79.7°F | March 9 | 77.5°F |
| March 13 | 79.5°F | March 8 | 76.5°F |
| March 12 | 79.0°F | March 7 | 77.0°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 August.
Monthly Sea Temperatures in San Diego, °F
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 84.8°F. The highest and lowest sea temperatures during the month were 85.8°F and 84.0°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 84.4°F. The highest and lowest sea temperatures during the month were 85.3°F and 83.8°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 84.3°F. The highest and lowest sea temperatures during the month were 85.6°F and 83.5°F.
current
weather
weather
| San Diego |
weather in
March
March
| 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: 00:09
March 17, tuesday
0300
75°F
SW
7 mph
7 mph
0600
73°F
W
6 mph
6 mph
0900
86°F
NW
6 mph
6 mph
1200
91°F
N
7 mph
7 mph
1500
86°F
E
14 mph
14 mph
1800
81°F
SE
10 mph
10 mph
2100
77°F
S
8 mph
8 mph
March 18, wednesday
0000
81°F
W
7 mph
7 mph
