S
M
T
W
T
F
S
27
74°
64°
28
72°
64°
29
74°
63°
30
76°
55°
1
69°
48°
2
64°
43°
3
70°
48°
4
71°
40°
5
80°
46°
6
85°
51°
7
76°
45°
8
76°
50°
9
80°
49°
10
90°
64°
11
81°
52°
12
59°
47°
13
59°
41°
14
62°
48°
15
55°
36°
16
57°
37°
17
64°
42°
18
68°
41°
19
69°
46°
20
70°
49°
21
71°
48°
22
63°
42°
23
62°
39°
24
59°
38°
25
58°
38°
26
56°
32°
27
59°
32°
28
50°
35°
29
54°
37°
30
53°
37°
31
58°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Marion
Marion's October 2026 forecast shows daily high temperatures ranging from 50° to 71°, with overnight lows between 32° and 49°. The average high for October is 60° with an average low of 40°. 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 Marion. See also: November | December | January.