Current sea water temperature:
+54.3°F
| Minimum sea water temperature in February: | 58.6°F |
| Maximum sea water temperature in February: | 49.6°F |
| Average sea water temperature in February: | 53.5°F |
| more information | |
14 days
forecast
forecast
| San Francisco |
monthly
weather
weather
| San Francisco |
Sea water temperature for the last 10 days:
| February 25 | 54.3°F | February 20 | 54.0°F |
| February 24 | 54.0°F | February 19 | 55.0°F |
| February 23 | 54.7°F | February 18 | 55.2°F |
| February 22 | 55.0°F | February 17 | 55.2°F |
| February 21 | 54.7°F | February 16 | 55.8°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
March
March
| 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: 00:52
February 25, wednesday
0300
57°F
E
2 mph
2 mph
0600
57°F
E
3 mph
3 mph
0900
57°F
SE
3 mph
3 mph
1200
61°F
E
4 mph
4 mph
1500
57°F
E
7 mph
7 mph
1800
57°F
E
7 mph
7 mph
2100
55°F
SE
6 mph
6 mph
February 26, thursday
0000
55°F
S
3 mph
3 mph
