S
M
T
W
T
F
S
27
75°
46°
28
68°
56°
29
77°
48°
30
73°
42°
1
65°
41°
2
60°
45°
3
66°
41°
4
60°
42°
5
65°
49°
6
70°
45°
7
67°
44°
8
65°
47°
9
65°
42°
10
62°
41°
11
59°
36°
12
64°
42°
13
56°
43°
14
63°
43°
15
64°
42°
16
62°
43°
17
61°
42°
18
62°
40°
19
56°
41°
20
61°
39°
21
54°
38°
22
58°
40°
23
60°
40°
24
58°
38°
25
59°
36°
26
45°
36°
27
53°
38°
28
57°
36°
29
53°
36°
30
54°
35°
31
51°
34°
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 45° to 77°, with overnight lows between 34° and 56°. The average high for October is 61° 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 Bismarck. See also: November | December | January.
