S
M
T
W
T
F
S
27
65°
57°
28
81°
57°
29
81°
57°
30
72°
63°
1
71°
55°
2
70°
48°
3
73°
46°
4
75°
50°
5
78°
48°
6
77°
56°
7
76°
49°
8
71°
49°
9
73°
57°
10
79°
58°
11
78°
57°
12
72°
53°
13
67°
48°
14
70°
48°
15
63°
45°
16
64°
43°
17
61°
43°
18
56°
29°
19
60°
44°
20
61°
46°
21
55°
40°
22
59°
45°
23
67°
44°
24
54°
40°
25
53°
42°
26
59°
39°
27
60°
44°
28
65°
46°
29
63°
45°
30
62°
45°
31
64°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Ottumwa
Ottumwa's October 2026 forecast shows daily high temperatures ranging from 53° to 79°, with overnight lows between 29° and 58°. The average high for October is 65° with an average low of 46°. 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 Ottumwa. See also: November | December | January.
