S
M
T
W
T
F
S
27
66°
46°
28
64°
30°
29
72°
27°
30
81°
30°
1
84°
34°
2
82°
36°
3
84°
39°
4
82°
34°
5
77°
41°
6
81°
36°
7
82°
36°
8
81°
36°
9
79°
37°
10
66°
46°
11
57°
34°
12
50°
23°
13
55°
16°
14
64°
19°
15
70°
21°
16
73°
25°
17
73°
25°
18
70°
25°
19
66°
23°
20
70°
40°
21
64°
43°
22
56°
40°
23
59°
27°
24
61°
30°
25
64°
29°
26
61°
31°
27
61°
31°
28
62°
32°
29
59°
31°
30
55°
30°
31
62°
30°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Portola
Portola's October 2026 forecast shows daily high temperatures ranging from 55° to 70°, with overnight lows between 27° and 43°. The average high for October is 61° with an average low of 33°. 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 Portola. See also: November | December | January.
