S
M
T
W
T
F
S
27
75°
55°
28
74°
55°
29
75°
54°
30
75°
55°
1
74°
54°
2
74°
47°
3
72°
45°
4
64°
44°
5
63°
48°
6
64°
41°
7
64°
41°
8
60°
43°
9
62°
46°
10
67°
49°
11
70°
50°
12
71°
43°
13
69°
42°
14
64°
40°
15
60°
40°
16
60°
43°
17
61°
42°
18
66°
39°
19
61°
47°
20
63°
46°
21
66°
46°
22
65°
48°
23
66°
48°
24
67°
47°
25
66°
47°
26
65°
42°
27
67°
37°
28
62°
36°
29
56°
39°
30
55°
44°
31
59°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Demarest
Demarest's October 2026 forecast shows daily high temperatures ranging from 55° to 75°, with overnight lows between 36° and 55°. The average high for October is 66° with an average low of 45°. 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 Demarest. See also: November | December | January.