S
M
T
W
T
F
S
27
67°
35°
28
58°
33°
29
57°
31°
30
54°
33°
1
57°
39°
2
60°
46°
3
63°
37°
4
61°
31°
5
57°
28°
6
51°
35°
7
52°
40°
8
66°
43°
9
63°
31°
10
57°
29°
11
51°
28°
12
49°
27°
13
50°
34°
14
51°
36°
15
53°
28°
16
54°
32°
17
49°
38°
18
48°
36°
19
53°
39°
20
54°
38°
21
60°
34°
22
53°
27°
23
49°
30°
24
47°
31°
25
52°
27°
26
44°
27°
27
46°
32°
28
45°
24°
29
43°
21°
30
41°
20°
31
40°
29°
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 40° to 67°, with overnight lows between 20° and 46°. The average high for October is 53° with an average low of 32°. 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.
