Current sea water temperature:
+62.1°F
| Minimum sea water temperature in July: | 64.8°F |
| Maximum sea water temperature in July: | 54.9°F |
| Average sea water temperature in July: | 60.2°F |
| more information | |
14 days
forecast
forecast
| San Francisco |
monthly
weather
weather
| San Francisco |
Sea water temperature for the last 10 days:
| July 16 | 62.1°F | July 11 | 63.9°F |
| July 15 | 63.9°F | July 10 | 64.8°F |
| July 14 | 64.2°F | July 9 | 63.9°F |
| July 13 | 61.2°F | July 8 | 62.8°F |
| July 12 | 61.9°F | July 7 | 63.0°F |
Monthly sea water temperature, °F
When is the warmest sea in San Francisco?
Based on the data about daily sea water temperature for the last three years the warmest sea in San Francisco was noticed in September, August and October.
Monthly Sea Temperatures in San Francisco, °F
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 64.8°F. The highest and lowest sea temperatures during the month were 66.9°F and 62.2°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 63.8°F. The highest and lowest sea temperatures during the month were 65.1°F and 62.4°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 63.8°F. The highest and lowest sea temperatures during the month were 65.3°F and 62.4°F.
current
weather
weather
| San Francisco |
weather in
July
July
| San Francisco |
Best time for vacation in San Francisco
San Francisco on a weather map
Places in USA:
Name
°F
24 Hours Forecast
San Francisco
Local time: 05:00
July 16, thursday
0600
57°F
NE
6 mph
6 mph
0900
61°F
E
7 mph
7 mph
1200
66°F
NE
11 mph
11 mph
1500
68°F
E
14 mph
14 mph
1800
64°F
E
14 mph
14 mph
2100
57°F
E
12 mph
12 mph
July 17, friday
0000
57°F
E
9 mph
9 mph
0300
55°F
NE
9 mph
9 mph
