S
M
T
W
T
F
S
29
65°
23°
30
65°
31°
31
57°
18°
1
53°
17°
2
62°
19°
3
59°
21°
4
67°
26°
5
51°
21°
6
50°
17°
7
39°
18°
8
38°
18°
9
36°
18°
10
39°
15°
11
46°
13°
12
43°
13°
13
39°
23°
14
43°
15°
15
46°
13°
16
50°
10°
17
55°
19°
18
53°
19°
19
41°
8°
20
40°
9°
21
36°
4°
22
50°
4°
23
37°
9°
24
45°
4°
25
51°
17°
26
53°
21°
27
60°
18°
28
61°
19°
29
45°
22°
30
52°
18°
31
56°
18°
1
60°
16°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in San Francisco
San Francisco's January 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for January is ° with an average low of °. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how January weather will actually feel in San Francisco. See also: February | March | April.
