S
M
T
W
T
F
S
27
62°
58°
28
63°
48°
29
64°
47°
30
65°
48°
1
61°
50°
2
65°
57°
3
68°
56°
4
70°
56°
5
70°
56°
6
66°
60°
7
65°
57°
8
65°
58°
9
65°
60°
10
64°
60°
11
62°
50°
12
64°
47°
13
71°
45°
14
69°
42°
15
85°
45°
16
86°
48°
17
79°
48°
18
69°
47°
19
64°
59°
20
68°
48°
21
66°
54°
22
67°
58°
23
67°
56°
24
73°
48°
25
70°
43°
26
67°
50°
27
65°
59°
28
65°
45°
29
66°
44°
30
65°
48°
31
65°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Half Moon Bay
Half Moon Bay's October 2026 forecast shows daily high temperatures ranging from 65° to 65°, with overnight lows between 48° and 51°. The average high for October is 65° with an average low of 50°. 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 Half Moon Bay. See also: November | December | January.
