S
M
T
W
T
F
S
27
73°
52°
28
67°
52°
29
66°
54°
30
67°
55°
1
71°
55°
2
73°
58°
3
73°
60°
4
74°
60°
5
76°
61°
6
76°
58°
7
75°
58°
8
74°
58°
9
75°
57°
10
75°
57°
11
74°
56°
12
74°
59°
13
73°
59°
14
67°
52°
15
66°
54°
16
67°
55°
17
67°
58°
18
70°
56°
19
71°
50°
20
66°
50°
21
65°
51°
22
64°
55°
23
66°
53°
24
65°
51°
25
65°
52°
26
66°
52°
27
70°
53°
28
68°
53°
29
66°
54°
30
65°
55°
31
67°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in San Francisco
San Francisco's October 2026 forecast shows daily high temperatures ranging from 64° to 76°, with overnight lows between 50° and 61°. The average high for October is 70° with an average low of 55°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in San Francisco. See also: November | December | January.
