S
M
T
W
T
F
S
27
90°
66°
28
74°
61°
29
66°
56°
30
73°
55°
1
83°
57°
2
82°
61°
3
82°
61°
4
84°
62°
5
83°
62°
6
87°
64°
7
90°
64°
8
95°
64°
9
94°
66°
10
87°
63°
11
84°
59°
12
84°
63°
13
79°
55°
14
74°
52°
15
77°
53°
16
82°
52°
17
80°
52°
18
80°
53°
19
82°
52°
20
82°
53°
21
81°
48°
22
79°
53°
23
75°
51°
24
75°
50°
25
76°
51°
26
77°
51°
27
79°
50°
28
80°
51°
29
77°
50°
30
73°
48°
31
73°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in San Carlos
San Carlos's October 2026 forecast shows daily high temperatures ranging from 73° to 95°, with overnight lows between 48° and 66°. The average high for October is 80° with an average low of 54°. 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 Carlos. See also: November | December | January.
