S
M
T
W
T
F
S
27
68°
42°
28
68°
44°
29
69°
48°
30
67°
43°
1
59°
46°
2
58°
47°
3
68°
37°
4
60°
34°
5
54°
33°
6
55°
32°
7
53°
31°
8
50°
33°
9
52°
36°
10
54°
41°
11
60°
44°
12
60°
42°
13
59°
38°
14
62°
38°
15
58°
34°
16
55°
31°
17
51°
36°
18
53°
31°
19
53°
38°
20
58°
36°
21
59°
40°
22
61°
37°
23
57°
32°
24
51°
31°
25
52°
29°
26
55°
22°
27
43°
19°
28
42°
20°
29
41°
26°
30
42°
29°
31
52°
28°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Bismarck
Bismarck's October 2026 forecast shows daily high temperatures ranging from 41° to 69°, with overnight lows between 19° and 48°. The average high for October is 56° with an average low of 35°. 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 Bismarck. See also: November | December | January.
