15.01
thu
thu
Day
48°F
SW 8 mph
Precip.
0%
0%
Night
55°F
SW 6 mph
Precip.
0%
0%
16.01
fri
fri
Day
57°F
SW 7 mph
Precip.
0%
0%
Night
55°F
SW 6 mph
Precip.
0%
0%
17.01
sat
sat
Day
55°F
SW 7 mph
Precip.
0%
0%
Night
55°F
SW 6 mph
Precip.
0%
0%
18.01
sun
sun
Day
57°F
SW 6 mph
Precip.
0%
0%
Night
55°F
S 4 mph
Precip.
0%
0%
19.01
mon
mon
Day
57°F
SW 6 mph
Precip.
0%
0%
Night
55°F
SW 6 mph
Precip.
0%
0%
20.01
tue
tue
Day
57°F
SW 6 mph
Precip.
0%
0%
Night
55°F
N 1 mph
Precip.
0%
0%
21.01
wed
wed
Day
57°F
NE 2 mph
Precip.
0%
0%
Night
54°F
E 4 mph
Precip.
0%
0%
22.01
thu
thu
Day
55°F
NW 2 mph
Precip.
100%
100%
Night
52°F
NE 1 mph
Precip.
0%
0%
23.01
fri
fri
Day
54°F
N 5 mph
Precip.
0%
0%
Night
52°F
NW 6 mph
Precip.
0%
0%
24.01
sat
sat
Day
54°F
NW 6 mph
Precip.
0%
0%
Night
54°F
N 8 mph
Precip.
100%
100%
25.01
sun
sun
Day
57°F
N 7 mph
Precip.
78%
78%
Night
54°F
NE 5 mph
Precip.
0%
0%
26.01
mon
mon
Day
55°F
N 2 mph
Precip.
0%
0%
Night
54°F
NE 3 mph
Precip.
0%
0%
27.01
tue
tue
Day
55°F
N 4 mph
Precip.
0%
0%
Night
54°F
SW 6 mph
Precip.
0%
0%
28.01
wed
wed
Day
55°F
SW 7 mph
Precip.
0%
0%
Night
55°F
SW 6 mph
Precip.
0%
0%
sea water
temperature
temperature
| San Francisco |
monthly
weather
weather
| San Francisco |
current
weather
weather
| San Francisco |
7 days
forecast
forecast
| San Francisco |
Sea water temperature in January, °F
Show year:
2026
2025
2024
The average sea water temperature in January of 2026 was 54.2°F. The highest and lowest sea temperatures during the month were 55.4°F and 53.1°F.
Air temperature in San Francisco, °F
Precipitation total in San Francisco, in.
* Charts above show average data for the last 3 years.
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: 19:06
January 15, thursday
2100
57°F
SW
6 mph
6 mph
January 16, friday
0000
55°F
SW
6 mph
6 mph
0300
54°F
SW
6 mph
6 mph
0600
52°F
SW
7 mph
7 mph
0900
52°F
SW
7 mph
7 mph
1200
57°F
SW
7 mph
7 mph
1500
63°F
SW
7 mph
7 mph
1800
61°F
S
6 mph
6 mph
