S
M
T
W
T
F
S
27
66°
39°
28
67°
40°
29
68°
43°
30
69°
49°
1
65°
50°
2
65°
46°
3
66°
48°
4
68°
48°
5
73°
40°
6
63°
37°
7
60°
36°
8
58°
36°
9
61°
39°
10
70°
36°
11
60°
36°
12
59°
44°
13
67°
36°
14
63°
45°
15
58°
47°
16
69°
42°
17
67°
41°
18
66°
41°
19
58°
42°
20
60°
38°
21
56°
38°
22
54°
37°
23
Hist. Avg.
58°
36°
24
Hist. Avg.
58°
36°
25
Hist. Avg.
57°
35°
26
Hist. Avg.
57°
35°
27
Hist. Avg.
56°
34°
28
Hist. Avg.
56°
34°
29
Hist. Avg.
55°
34°
30
Hist. Avg.
55°
33°
31
Hist. Avg.
54°
33°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Marshalltown
Marshalltown's October 2026 forecast shows daily high temperatures ranging from 54° to 73°, with overnight lows between 36° and 50°. The average high for October is 64° with an average low of 41°. 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 Marshalltown. See also: November | December | January.
