S
M
T
W
T
F
S
27
65°
57°
28
76°
54°
29
75°
52°
30
70°
66°
1
69°
47°
2
67°
41°
3
72°
43°
4
72°
45°
5
75°
42°
6
80°
51°
7
78°
49°
8
76°
45°
9
81°
56°
10
85°
61°
11
88°
58°
12
87°
58°
13
72°
57°
14
61°
49°
15
59°
45°
16
54°
33°
17
59°
30°
18
67°
38°
19
68°
36°
20
70°
38°
21
74°
45°
22
77°
48°
23
74°
49°
24
77°
56°
25
74°
47°
26
67°
53°
27
68°
53°
28
74°
56°
29
71°
52°
30
72°
56°
31
64°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Marshalltown
Marshalltown's October 2026 forecast shows daily high temperatures ranging from 64° to 74°, with overnight lows between 47° and 56°. The average high for October is 70° with an average low of 53°. 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.
