S
M
T
W
T
F
S
27
67°
54°
28
68°
53°
29
65°
50°
30
67°
54°
1
65°
49°
2
60°
46°
3
60°
47°
4
61°
46°
5
59°
46°
6
60°
49°
7
60°
48°
8
61°
47°
9
62°
49°
10
62°
50°
11
60°
47°
12
59°
45°
13
57°
46°
14
58°
46°
15
58°
47°
16
59°
49°
17
61°
51°
18
64°
52°
19
64°
52°
20
63°
51°
21
62°
52°
22
63°
52°
23
64°
51°
24
65°
51°
25
63°
53°
26
62°
52°
27
57°
53°
28
61°
52°
29
59°
51°
30
59°
46°
31
58°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Sereno del Mar
Sereno del Mar's October 2026 forecast shows daily high temperatures ranging from 57° to 68°, with overnight lows between 45° and 54°. The average high for October is 62° 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 Sereno del Mar. See also: November | December | January.